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