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