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