8 25 6
1 1 1 1 1 5 6 3 3 3 3 4 6 1 3 4 3 3 3 4 2 3 6 6 4
0 0 0 0 0 0 0 4
0 1 3 2 6 0 0 0
0 0 3 0 0 0 0 0
0 0 3 0 0 3 0 3
0 0 0 0 6 3 3 3
0 0 0 3 0 4 6 4
0 0 0 0 6 0 0 0
0 5 0 0 4 0 0 0
