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