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