step	input_01	input_02	input_03
1	1	0	0
2	0		1
3	0	1	0
4	1	0	0
5	1	0	0
6	1	0	0
7	1	0	0
8	0	1	0
9	1	0	0
10	0	0	1
11	1	0	0
12	1	0	0
13	0	1	0
14	0	1	0
15	0	1	0
16	0	1	0
17	1	0	0
18	0	0	1
19	0	0	1
20	0	0	1
21	0	1	0
22	0	1	0
23	1	0	0
24	0	1	0
25	1	0	0
26	0	1	0
27	1	0	0
28	0	0	1