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