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