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