0 0 0 5 0 0 0 0 0
0 0 0 0 0 0 0 3 0
0 0 0 0 0 0 15 0 0
0 6 0 0 0 6 0 0 0
4 0 0 0 0 0 0 0 3
0 0 0 6 0 0 0 2 0
0 0 7 0 0 0 0 0 0
0 3 0 0 0 0 0 0 0
0 0 0 0 0 2 0 0 0
