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