17 7
3 1
11 1 5 3 4 4 4 0 2 2 0 2 0 2 2 0 4 4 4
7 0 4 4 1 0 0 4 0 0 0 0 0 0 0 0 1 0 0 4
4 2 3 5 0 0 0 0 0 4 4 1 1 1 0 4 1 0 0
4 4 0 0 0 0 1 1 1 1 3 3 3 3 0 0 0 0