7 17
2 1
2 12 4 4 0 0 1 0 1 1 1 0 0 2 2 2 0 2 0 0
1 7 5 5 0 0 0 0 0 4 4 4 4 0 0 0 0 4 0 2 2 0 4 0 0 2 0 4 0
5 3 1 1 1 0 4 4 0 4 0 4 4 0 1 1 1