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