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