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