20 13 13

0: 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1
1: 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1
2: 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0
3: 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 0
4: 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 0 0
5: 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1
6: 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 0 1 0 0 0
7: 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 1
8: 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 1 1
9: 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0
10: 0 0 0 0 0 1 0 0 0 0 1 0 1 1 0 0 0 1 0 0
11: 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 1
12: 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0

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