8 8
4 3 2 2 1 0 0 0
3 3 3 2 1 0 0 0
2 2 2 2 1 0 0 0
2 1 1 1 1 0 0 0
1 1 0 0 0 1 0 0
0 1 1 1 1 1 0 0
0 1 2 2 1 1 0 0
0 1 1 1 2 1 0 0