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