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