20 10 171

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

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