Out[3]//CForm= List(List(Rule(r,(-Power(dC,2) - Power(xa,2) + Power(xc,2) - Power(ya,2) + Power(yc,2) + (ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (2*xa*(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))/ (2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc) - (2*xc*(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))/ (2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc))/(2.*dC)), Rule(x,(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)))/(2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc)), Rule(y,(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) - Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4))))/ (2.*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))), List(Rule(r,(-Power(dC,2) - Power(xa,2) + Power(xc,2) - Power(ya,2) + Power(yc,2) + (ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (2*xa*(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))/ (2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc) - (2*xc*(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))/ (2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc))/(2.*dC)), Rule(x,(-(Power(dB,2)*dC) + dB*Power(dC,2) + dB*Power(xa,2) - dC*Power(xa,2) + dC*Power(xb,2) - dB*Power(xc,2) + dB*Power(ya,2) - dC*Power(ya,2) + dC*Power(yb,2) - dB*Power(yc,2) - (dB*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dC*ya*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) - (dC*yb*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)) + (dB*yc*(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4)))))/ (-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2)))/(2*dB*xa - 2*dC*xa + 2*dC*xb - 2*dB*xc)), Rule(y,(4*Power(dB,3)*dC*ya - 8*Power(dB,2)*Power(dC,2)*ya + 4*dB*Power(dC,3)*ya - 4*Power(dB,2)*Power(xa,2)*ya + 8*dB*dC*Power(xa,2)*ya - 4*Power(dC,2)*Power(xa,2)*ya + 4*Power(dB,2)*xa*xb*ya - 8*dB*dC*xa*xb*ya + 4*Power(dC,2)*xa*xb*ya - 4*dB*dC*Power(xb,2)*ya + 4*Power(xa,2)*Power(xb,2)*ya - 4*xa*Power(xb,3)*ya + 4*Power(dB,2)*xa*xc*ya - 8*dB*dC*xa*xc*ya + 4*Power(dC,2)*xa*xc*ya - 4*Power(dB,2)*xb*xc*ya + 16*dB*dC*xb*xc*ya - 4*Power(dC,2)*xb*xc*ya - 8*Power(xa,2)*xb*xc*ya + 4*xa*Power(xb,2)*xc*ya + 4*Power(xb,3)*xc*ya - 4*dB*dC*Power(xc,2)*ya + 4*Power(xa,2)*Power(xc,2)*ya + 4*xa*xb*Power(xc,2)*ya - 8*Power(xb,2)*Power(xc,2)*ya - 4*xa*Power(xc,3)*ya + 4*xb*Power(xc,3)*ya - 4*Power(dB,2)*Power(ya,3) + 8*dB*dC*Power(ya,3) - 4*Power(dC,2)*Power(ya,3) + 4*Power(xb,2)*Power(ya,3) - 8*xb*xc*Power(ya,3) + 4*Power(xc,2)*Power(ya,3) + 4*Power(dB,2)*Power(dC,2)*yb - 4*dB*Power(dC,3)*yb - 4*Power(dB,2)*Power(xa,2)*yb + 4*dB*dC*Power(xa,2)*yb + 4*Power(dC,2)*xa*xb*yb - 4*Power(xa,3)*xb*yb - 4*Power(dC,2)*Power(xb,2)*yb + 4*Power(xa,2)*Power(xb,2)*yb + 8*Power(dB,2)*xa*xc*yb - 8*dB*dC*xa*xc*yb - 4*Power(dC,2)*xa*xc*yb + 4*Power(xa,3)*xc*yb + 4*Power(dC,2)*xb*xc*yb + 4*Power(xa,2)*xb*xc*yb - 8*xa*Power(xb,2)*xc*yb - 4*Power(dB,2)*Power(xc,2)*yb + 4*dB*dC*Power(xc,2)*yb - 8*Power(xa,2)*Power(xc,2)*yb + 4*xa*xb*Power(xc,2)*yb + 4*Power(xb,2)*Power(xc,2)*yb + 4*xa*Power(xc,3)*yb - 4*xb*Power(xc,3)*yb - 4*dB*dC*Power(ya,2)*yb + 4*Power(dC,2)*Power(ya,2)*yb - 4*xa*xb*Power(ya,2)*yb + 4*xa*xc*Power(ya,2)*yb + 4*xb*xc*Power(ya,2)*yb - 4*Power(xc,2)*Power(ya,2)*yb - 4*dB*dC*ya*Power(yb,2) + 4*Power(dC,2)*ya*Power(yb,2) - 4*xa*xb*ya*Power(yb,2) + 4*xa*xc*ya*Power(yb,2) + 4*xb*xc*ya*Power(yb,2) - 4*Power(xc,2)*ya*Power(yb,2) - 4*Power(dC,2)*Power(yb,3) + 4*Power(xa,2)*Power(yb,3) - 8*xa*xc*Power(yb,3) + 4*Power(xc,2)*Power(yb,3) - 4*Power(dB,3)*dC*yc + 4*Power(dB,2)*Power(dC,2)*yc + 4*dB*dC*Power(xa,2)*yc - 4*Power(dC,2)*Power(xa,2)*yc - 4*Power(dB,2)*xa*xb*yc - 8*dB*dC*xa*xb*yc + 8*Power(dC,2)*xa*xb*yc + 4*Power(xa,3)*xb*yc + 4*dB*dC*Power(xb,2)*yc - 4*Power(dC,2)*Power(xb,2)*yc - 8*Power(xa,2)*Power(xb,2)*yc + 4*xa*Power(xb,3)*yc + 4*Power(dB,2)*xa*xc*yc - 4*Power(xa,3)*xc*yc + 4*Power(dB,2)*xb*xc*yc + 4*Power(xa,2)*xb*xc*yc + 4*xa*Power(xb,2)*xc*yc - 4*Power(xb,3)*xc*yc - 4*Power(dB,2)*Power(xc,2)*yc + 4*Power(xa,2)*Power(xc,2)*yc - 8*xa*xb*Power(xc,2)*yc + 4*Power(xb,2)*Power(xc,2)*yc + 4*Power(dB,2)*Power(ya,2)*yc - 4*dB*dC*Power(ya,2)*yc + 4*xa*xb*Power(ya,2)*yc - 4*Power(xb,2)*Power(ya,2)*yc - 4*xa*xc*Power(ya,2)*yc + 4*xb*xc*Power(ya,2)*yc + 4*dB*dC*Power(yb,2)*yc - 4*Power(xa,2)*Power(yb,2)*yc + 4*xa*xb*Power(yb,2)*yc + 4*xa*xc*Power(yb,2)*yc - 4*xb*xc*Power(yb,2)*yc + 4*Power(dB,2)*ya*Power(yc,2) - 4*dB*dC*ya*Power(yc,2) + 4*xa*xb*ya*Power(yc,2) - 4*Power(xb,2)*ya*Power(yc,2) - 4*xa*xc*ya*Power(yc,2) + 4*xb*xc*ya*Power(yc,2) + 4*dB*dC*yb*Power(yc,2) - 4*Power(xa,2)*yb*Power(yc,2) + 4*xa*xb*yb*Power(yc,2) + 4*xa*xc*yb*Power(yc,2) - 4*xb*xc*yb*Power(yc,2) - 4*Power(dB,2)*Power(yc,3) + 4*Power(xa,2)*Power(yc,3) - 8*xa*xb*Power(yc,3) + 4*Power(xb,2)*Power(yc,3) + Sqrt(Power(-4*Power(dB,3)*dC*ya + 8*Power(dB,2)*Power(dC,2)*ya - 4*dB*Power(dC,3)*ya + 4*Power(dB,2)*Power(xa,2)*ya - 8*dB*dC*Power(xa,2)*ya + 4*Power(dC,2)*Power(xa,2)*ya - 4*Power(dB,2)*xa*xb*ya + 8*dB*dC*xa*xb*ya - 4*Power(dC,2)*xa*xb*ya + 4*dB*dC*Power(xb,2)*ya - 4*Power(xa,2)*Power(xb,2)*ya + 4*xa*Power(xb,3)*ya - 4*Power(dB,2)*xa*xc*ya + 8*dB*dC*xa*xc*ya - 4*Power(dC,2)*xa*xc*ya + 4*Power(dB,2)*xb*xc*ya - 16*dB*dC*xb*xc*ya + 4*Power(dC,2)*xb*xc*ya + 8*Power(xa,2)*xb*xc*ya - 4*xa*Power(xb,2)*xc*ya - 4*Power(xb,3)*xc*ya + 4*dB*dC*Power(xc,2)*ya - 4*Power(xa,2)*Power(xc,2)*ya - 4*xa*xb*Power(xc,2)*ya + 8*Power(xb,2)*Power(xc,2)*ya + 4*xa*Power(xc,3)*ya - 4*xb*Power(xc,3)*ya + 4*Power(dB,2)*Power(ya,3) - 8*dB*dC*Power(ya,3) + 4*Power(dC,2)*Power(ya,3) - 4*Power(xb,2)*Power(ya,3) + 8*xb*xc*Power(ya,3) - 4*Power(xc,2)*Power(ya,3) - 4*Power(dB,2)*Power(dC,2)*yb + 4*dB*Power(dC,3)*yb + 4*Power(dB,2)*Power(xa,2)*yb - 4*dB*dC*Power(xa,2)*yb - 4*Power(dC,2)*xa*xb*yb + 4*Power(xa,3)*xb*yb + 4*Power(dC,2)*Power(xb,2)*yb - 4*Power(xa,2)*Power(xb,2)*yb - 8*Power(dB,2)*xa*xc*yb + 8*dB*dC*xa*xc*yb + 4*Power(dC,2)*xa*xc*yb - 4*Power(xa,3)*xc*yb - 4*Power(dC,2)*xb*xc*yb - 4*Power(xa,2)*xb*xc*yb + 8*xa*Power(xb,2)*xc*yb + 4*Power(dB,2)*Power(xc,2)*yb - 4*dB*dC*Power(xc,2)*yb + 8*Power(xa,2)*Power(xc,2)*yb - 4*xa*xb*Power(xc,2)*yb - 4*Power(xb,2)*Power(xc,2)*yb - 4*xa*Power(xc,3)*yb + 4*xb*Power(xc,3)*yb + 4*dB*dC*Power(ya,2)*yb - 4*Power(dC,2)*Power(ya,2)*yb + 4*xa*xb*Power(ya,2)*yb - 4*xa*xc*Power(ya,2)*yb - 4*xb*xc*Power(ya,2)*yb + 4*Power(xc,2)*Power(ya,2)*yb + 4*dB*dC*ya*Power(yb,2) - 4*Power(dC,2)*ya*Power(yb,2) + 4*xa*xb*ya*Power(yb,2) - 4*xa*xc*ya*Power(yb,2) - 4*xb*xc*ya*Power(yb,2) + 4*Power(xc,2)*ya*Power(yb,2) + 4*Power(dC,2)*Power(yb,3) - 4*Power(xa,2)*Power(yb,3) + 8*xa*xc*Power(yb,3) - 4*Power(xc,2)*Power(yb,3) + 4*Power(dB,3)*dC*yc - 4*Power(dB,2)*Power(dC,2)*yc - 4*dB*dC*Power(xa,2)*yc + 4*Power(dC,2)*Power(xa,2)*yc + 4*Power(dB,2)*xa*xb*yc + 8*dB*dC*xa*xb*yc - 8*Power(dC,2)*xa*xb*yc - 4*Power(xa,3)*xb*yc - 4*dB*dC*Power(xb,2)*yc + 4*Power(dC,2)*Power(xb,2)*yc + 8*Power(xa,2)*Power(xb,2)*yc - 4*xa*Power(xb,3)*yc - 4*Power(dB,2)*xa*xc*yc + 4*Power(xa,3)*xc*yc - 4*Power(dB,2)*xb*xc*yc - 4*Power(xa,2)*xb*xc*yc - 4*xa*Power(xb,2)*xc*yc + 4*Power(xb,3)*xc*yc + 4*Power(dB,2)*Power(xc,2)*yc - 4*Power(xa,2)*Power(xc,2)*yc + 8*xa*xb*Power(xc,2)*yc - 4*Power(xb,2)*Power(xc,2)*yc - 4*Power(dB,2)*Power(ya,2)*yc + 4*dB*dC*Power(ya,2)*yc - 4*xa*xb*Power(ya,2)*yc + 4*Power(xb,2)*Power(ya,2)*yc + 4*xa*xc*Power(ya,2)*yc - 4*xb*xc*Power(ya,2)*yc - 4*dB*dC*Power(yb,2)*yc + 4*Power(xa,2)*Power(yb,2)*yc - 4*xa*xb*Power(yb,2)*yc - 4*xa*xc*Power(yb,2)*yc + 4*xb*xc*Power(yb,2)*yc - 4*Power(dB,2)*ya*Power(yc,2) + 4*dB*dC*ya*Power(yc,2) - 4*xa*xb*ya*Power(yc,2) + 4*Power(xb,2)*ya*Power(yc,2) + 4*xa*xc*ya*Power(yc,2) - 4*xb*xc*ya*Power(yc,2) - 4*dB*dC*yb*Power(yc,2) + 4*Power(xa,2)*yb*Power(yc,2) - 4*xa*xb*yb*Power(yc,2) - 4*xa*xc*yb*Power(yc,2) + 4*xb*xc*yb*Power(yc,2) + 4*Power(dB,2)*Power(yc,3) - 4*Power(xa,2)*Power(yc,3) + 8*xa*xb*Power(yc,3) - 4*Power(xb,2)*Power(yc,3),2) - 4*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))* (-(Power(dB,4)*Power(dC,2)) + 2*Power(dB,3)*Power(dC,3) - Power(dB,2)*Power(dC,4) + Power(dB,4)*Power(xa,2) - 2*Power(dB,3)*dC*Power(xa,2) + 2*Power(dB,2)*Power(dC,2)*Power(xa,2) - 2*dB*Power(dC,3)*Power(xa,2) + Power(dC,4)*Power(xa,2) - Power(dB,2)*Power(xa,4) + 2*dB*dC*Power(xa,4) - Power(dC,2)*Power(xa,4) - 2*Power(dB,2)*Power(dC,2)*xa*xb + 4*dB*Power(dC,3)*xa*xb - 2*Power(dC,4)*xa*xb + 2*Power(dB,2)*Power(xa,3)*xb - 4*dB*dC*Power(xa,3)*xb + 2*Power(dC,2)*Power(xa,3)*xb + 2*Power(dB,2)*Power(dC,2)*Power(xb,2) - 2*dB*Power(dC,3)*Power(xb,2) + Power(dC,4)*Power(xb,2) - 2*Power(dB,2)*Power(xa,2)*Power(xb,2) + 2*dB*dC*Power(xa,2)*Power(xb,2) - 2*Power(dC,2)*Power(xa,2)*Power(xb,2) + Power(xa,4)*Power(xb,2) + 2*Power(dC,2)*xa*Power(xb,3) - 2*Power(xa,3)*Power(xb,3) - Power(dC,2)*Power(xb,4) + Power(xa,2)*Power(xb,4) - 2*Power(dB,4)*xa*xc + 4*Power(dB,3)*dC*xa*xc - 2*Power(dB,2)*Power(dC,2)*xa*xc + 2*Power(dB,2)*Power(xa,3)*xc - 4*dB*dC*Power(xa,3)*xc + 2*Power(dC,2)*Power(xa,3)*xc - 2*Power(dB,2)*Power(dC,2)*xb*xc - 2*Power(dB,2)*Power(xa,2)*xb*xc + 8*dB*dC*Power(xa,2)*xb*xc - 2*Power(dC,2)*Power(xa,2)*xb*xc - 2*Power(xa,4)*xb*xc + 4*Power(dB,2)*xa*Power(xb,2)*xc - 4*dB*dC*xa*Power(xb,2)*xc - 2*Power(dC,2)*xa*Power(xb,2)*xc + 2*Power(xa,3)*Power(xb,2)*xc + 2*Power(dC,2)*Power(xb,3)*xc + 2*Power(xa,2)*Power(xb,3)*xc - 2*xa*Power(xb,4)*xc + Power(dB,4)*Power(xc,2) - 2*Power(dB,3)*dC*Power(xc,2) + 2*Power(dB,2)*Power(dC,2)*Power(xc,2) - 2*Power(dB,2)*Power(xa,2)*Power(xc,2) + 2*dB*dC*Power(xa,2)*Power(xc,2) - 2*Power(dC,2)*Power(xa,2)*Power(xc,2) + Power(xa,4)*Power(xc,2) - 2*Power(dB,2)*xa*xb*Power(xc,2) - 4*dB*dC*xa*xb*Power(xc,2) + 4*Power(dC,2)*xa*xb*Power(xc,2) + 2*Power(xa,3)*xb*Power(xc,2) - 2*Power(dB,2)*Power(xb,2)*Power(xc,2) + 2*dB*dC*Power(xb,2)*Power(xc,2) - 2*Power(dC,2)*Power(xb,2)*Power(xc,2) - 6*Power(xa,2)*Power(xb,2)*Power(xc,2) + 2*xa*Power(xb,3)*Power(xc,2) + Power(xb,4)*Power(xc,2) + 2*Power(dB,2)*xa*Power(xc,3) - 2*Power(xa,3)*Power(xc,3) + 2*Power(dB,2)*xb*Power(xc,3) + 2*Power(xa,2)*xb*Power(xc,3) + 2*xa*Power(xb,2)*Power(xc,3) - 2*Power(xb,3)*Power(xc,3) - Power(dB,2)*Power(xc,4) + Power(xa,2)*Power(xc,4) - 2*xa*xb*Power(xc,4) + Power(xb,2)*Power(xc,4) + 2*Power(dB,3)*dC*Power(ya,2) - 4*Power(dB,2)*Power(dC,2)*Power(ya,2) + 2*dB*Power(dC,3)*Power(ya,2) - 2*Power(dB,2)*Power(xa,2)*Power(ya,2) + 4*dB*dC*Power(xa,2)*Power(ya,2) - 2*Power(dC,2)*Power(xa,2)*Power(ya,2) + 2*Power(dB,2)*xa*xb*Power(ya,2) - 4*dB*dC*xa*xb*Power(ya,2) + 2*Power(dC,2)*xa*xb*Power(ya,2) - 2*dB*dC*Power(xb,2)*Power(ya,2) + 2*Power(xa,2)*Power(xb,2)*Power(ya,2) - 2*xa*Power(xb,3)*Power(ya,2) + 2*Power(dB,2)*xa*xc*Power(ya,2) - 4*dB*dC*xa*xc*Power(ya,2) + 2*Power(dC,2)*xa*xc*Power(ya,2) - 2*Power(dB,2)*xb*xc*Power(ya,2) + 8*dB*dC*xb*xc*Power(ya,2) - 2*Power(dC,2)*xb*xc*Power(ya,2) - 4*Power(xa,2)*xb*xc*Power(ya,2) + 2*xa*Power(xb,2)*xc*Power(ya,2) + 2*Power(xb,3)*xc*Power(ya,2) - 2*dB*dC*Power(xc,2)*Power(ya,2) + 2*Power(xa,2)*Power(xc,2)*Power(ya,2) + 2*xa*xb*Power(xc,2)*Power(ya,2) - 4*Power(xb,2)*Power(xc,2)*Power(ya,2) - 2*xa*Power(xc,3)*Power(ya,2) + 2*xb*Power(xc,3)*Power(ya,2) - Power(dB,2)*Power(ya,4) + 2*dB*dC*Power(ya,4) - Power(dC,2)*Power(ya,4) + Power(xb,2)*Power(ya,4) - 2*xb*xc*Power(ya,4) + Power(xc,2)*Power(ya,4) + 2*Power(dB,2)*Power(dC,2)*Power(yb,2) - 2*dB*Power(dC,3)*Power(yb,2) - 2*Power(dB,2)*Power(xa,2)*Power(yb,2) + 2*dB*dC*Power(xa,2)*Power(yb,2) + 2*Power(dC,2)*xa*xb*Power(yb,2) - 2*Power(xa,3)*xb*Power(yb,2) - 2*Power(dC,2)*Power(xb,2)*Power(yb,2) + 2*Power(xa,2)*Power(xb,2)*Power(yb,2) + 4*Power(dB,2)*xa*xc*Power(yb,2) - 4*dB*dC*xa*xc*Power(yb,2) - 2*Power(dC,2)*xa*xc*Power(yb,2) + 2*Power(xa,3)*xc*Power(yb,2) + 2*Power(dC,2)*xb*xc*Power(yb,2) + 2*Power(xa,2)*xb*xc*Power(yb,2) - 4*xa*Power(xb,2)*xc*Power(yb,2) - 2*Power(dB,2)*Power(xc,2)*Power(yb,2) + 2*dB*dC*Power(xc,2)*Power(yb,2) - 4*Power(xa,2)*Power(xc,2)*Power(yb,2) + 2*xa*xb*Power(xc,2)*Power(yb,2) + 2*Power(xb,2)*Power(xc,2)*Power(yb,2) + 2*xa*Power(xc,3)*Power(yb,2) - 2*xb*Power(xc,3)*Power(yb,2) - 2*dB*dC*Power(ya,2)*Power(yb,2) + 2*Power(dC,2)*Power(ya,2)*Power(yb,2) - 2*xa*xb*Power(ya,2)*Power(yb,2) + 2*xa*xc*Power(ya,2)*Power(yb,2) + 2*xb*xc*Power(ya,2)*Power(yb,2) - 2*Power(xc,2)*Power(ya,2)*Power(yb,2) - Power(dC,2)*Power(yb,4) + Power(xa,2)*Power(yb,4) - 2*xa*xc*Power(yb,4) + Power(xc,2)*Power(yb,4) - 2*Power(dB,3)*dC*Power(yc,2) + 2*Power(dB,2)*Power(dC,2)*Power(yc,2) + 2*dB*dC*Power(xa,2)*Power(yc,2) - 2*Power(dC,2)*Power(xa,2)*Power(yc,2) - 2*Power(dB,2)*xa*xb*Power(yc,2) - 4*dB*dC*xa*xb*Power(yc,2) + 4*Power(dC,2)*xa*xb*Power(yc,2) + 2*Power(xa,3)*xb*Power(yc,2) + 2*dB*dC*Power(xb,2)*Power(yc,2) - 2*Power(dC,2)*Power(xb,2)*Power(yc,2) - 4*Power(xa,2)*Power(xb,2)*Power(yc,2) + 2*xa*Power(xb,3)*Power(yc,2) + 2*Power(dB,2)*xa*xc*Power(yc,2) - 2*Power(xa,3)*xc*Power(yc,2) + 2*Power(dB,2)*xb*xc*Power(yc,2) + 2*Power(xa,2)*xb*xc*Power(yc,2) + 2*xa*Power(xb,2)*xc*Power(yc,2) - 2*Power(xb,3)*xc*Power(yc,2) - 2*Power(dB,2)*Power(xc,2)*Power(yc,2) + 2*Power(xa,2)*Power(xc,2)*Power(yc,2) - 4*xa*xb*Power(xc,2)*Power(yc,2) + 2*Power(xb,2)*Power(xc,2)*Power(yc,2) + 2*Power(dB,2)*Power(ya,2)*Power(yc,2) - 2*dB*dC*Power(ya,2)*Power(yc,2) + 2*xa*xb*Power(ya,2)*Power(yc,2) - 2*Power(xb,2)*Power(ya,2)*Power(yc,2) - 2*xa*xc*Power(ya,2)*Power(yc,2) + 2*xb*xc*Power(ya,2)*Power(yc,2) + 2*dB*dC*Power(yb,2)*Power(yc,2) - 2*Power(xa,2)*Power(yb,2)*Power(yc,2) + 2*xa*xb*Power(yb,2)*Power(yc,2) + 2*xa*xc*Power(yb,2)*Power(yc,2) - 2*xb*xc*Power(yb,2)*Power(yc,2) - Power(dB,2)*Power(yc,4) + Power(xa,2)*Power(yc,4) - 2*xa*xb*Power(yc,4) + Power(xb,2)*Power(yc,4))))/ (2.*(-4*Power(dB,2)*Power(xa,2) + 8*dB*dC*Power(xa,2) - 4*Power(dC,2)*Power(xa,2) - 8*dB*dC*xa*xb + 8*Power(dC,2)*xa*xb - 4*Power(dC,2)*Power(xb,2) + 8*Power(dB,2)*xa*xc - 8*dB*dC*xa*xc + 8*dB*dC*xb*xc - 4*Power(dB,2)*Power(xc,2) - 4*Power(dB,2)*Power(ya,2) + 8*dB*dC*Power(ya,2) - 4*Power(dC,2)*Power(ya,2) + 4*Power(xb,2)*Power(ya,2) - 8*xb*xc*Power(ya,2) + 4*Power(xc,2)*Power(ya,2) - 8*dB*dC*ya*yb + 8*Power(dC,2)*ya*yb - 8*xa*xb*ya*yb + 8*xa*xc*ya*yb + 8*xb*xc*ya*yb - 8*Power(xc,2)*ya*yb - 4*Power(dC,2)*Power(yb,2) + 4*Power(xa,2)*Power(yb,2) - 8*xa*xc*Power(yb,2) + 4*Power(xc,2)*Power(yb,2) + 8*Power(dB,2)*ya*yc - 8*dB*dC*ya*yc + 8*xa*xb*ya*yc - 8*Power(xb,2)*ya*yc - 8*xa*xc*ya*yc + 8*xb*xc*ya*yc + 8*dB*dC*yb*yc - 8*Power(xa,2)*yb*yc + 8*xa*xb*yb*yc + 8*xa*xc*yb*yc - 8*xb*xc*yb*yc - 4*Power(dB,2)*Power(yc,2) + 4*Power(xa,2)*Power(yc,2) - 8*xa*xb*Power(yc,2) + 4*Power(xb,2)*Power(yc,2))))))