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