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