8 12
3 0 0 0 1 0 0 0 0 0 0 0
0 2 0 0 0 0 0 0 4 0 0 0
4 0 2 0 0 0 0 0 0 0 1 0
4 1 0 2 0 0 0 0 0 0 0 0
0 0 0 0 4 0 0 0 0 3 0 0
0 0 0 0 0 3 0 2 0 0 0 2
0 0 0 0 0 3 0 0 0 0 0 0
0 0 0 0 0 0 3 0 0 0 0 0
8 12
3 0 0 0 1 0 0 0 0 0 0 0
0 2 0 0 0 0 0 0 4 0 0 0
4 0 2 0 0 0 0 0 0 0 1 0
4 1 0 2 0 0 0 0 0 0 0 0
0 0 0 0 4 0 0 0 0 3 0 0
0 0 0 0 0 3 0 2 0 0 0 2
0 0 0 0 0 3 0 0 0 0 0 0
0 0 0 0 0 0 3 0 0 0 0 0