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