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