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