20 10 38

0: 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0
1: 0 0 1 0 0 0 0 1 0 1 0 1 0 0 1 1 0 0 1 1
2: 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0
3: 0 0 0 1 1 0 0 0 0 1 0 1 0 1 0 0 1 0 0 1
4: 1 0 0 1 1 1 1 0 1 0 0 0 0 0 1 1 0 0 1 0
5: 0 1 0 0 0 0 0 0 1 0 0 0 1 0 1 1 0 1 0 0
6: 0 0 1 1 0 1 1 0 1 0 1 0 0 0 1 0 1 1 0 1
7: 0 0 0 1 0 0 0 0 0 0 1 1 1 1 0 0 0 1 0 0
8: 0 0 1 0 0 0 1 0 1 1 0 0 0 1 0 0 0 1 1 0
9: 1 1 1 0 1 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0

0: 0 1 2 1 2 1 1 1 2 1 1 2 1 1 1 2 1 1 2 1
1: 1 0 2 2 1 1 1 1 1 1 1 2 2 1 1 1 2 1 1 1
2: 2 2 0 2 2 1 2 2 2 1 2 2 2 1 2 1 1 2 2 1
3: 1 2 2 0 1 2 2 1 2 2 2 1 2 1 2 1 2 2 2 1
4: 2 1 2 1 0 1 2 2 1 2 2 1 1 1 1 2 1 1 2 1
5: 1 1 1 2 1 0 1 2 2 2 2 2 2 2 1 1 1 1 1 1
6: 1 1 2 2 2 1 0 2 1 1 2 2 1 2 2 1 2 1 2 2
7: 1 1 2 1 2 2 2 0 2 2 1 2 2 2 2 2 2 2 1 1
8: 2 1 2 2 1 2 1 2 0 1 2 1 2 1 2 2 2 1 2 1
9: 1 1 1 2 2 2 1 2 1 0 2 1 1 2 2 1 1 1 2 2
10: 1 1 2 2 2 2 2 1 2 2 0 1 2 1 1 2 1 1 2 1
11: 2 2 2 1 1 2 2 2 1 1 1 0 1 1 2 1 2 1 1 1
12: 1 2 2 2 1 2 1 2 2 1 2 1 0 2 2 2 1 1 1 2
13: 1 1 1 1 1 2 2 2 1 2 1 1 2 0 2 1 2 1 1 1
14: 1 1 2 2 1 1 2 2 2 2 1 2 2 2 0 1 1 2 1 1
15: 2 1 1 1 2 1 1 2 2 1 2 1 2 1 1 0 2 1 2 1
16: 1 2 1 2 1 1 2 2 2 1 1 2 1 2 1 2 0 2 2 2
17: 1 1 2 2 1 1 1 2 1 1 1 1 1 1 2 1 2 0 1 2
18: 2 1 2 2 2 1 2 1 2 2 2 1 1 1 1 2 2 1 0 1
19: 1 1 1 1 1 1 2 1 1 2 1 1 2 1 1 1 2 2 1 0