0 2 0 1 5 0 0 0 0
0 0 5 2 0 0 0 0 9
3 0 0 0 0 4 0 2 5
0 8 7 0 0 2 5 0 0
0 4 0 0 1 7 0 0 0
0 0 0 0 0 3 1 0 7
2 0 4 6 0 0 0 0 0
6 0 0 0 9 0 0 3 0 
0 5 0 0 0 0 9 6 8