12
1 1 0 0 1 1 1 0 1 1 0 0

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

20
1 1 1 1 0 0 0 1 1 1 0 0 1 0 1 1 0 0 0 0

1 5 8 11 13 14 15 17
2 6 9 12 16 18
3 7 10 19
4 20