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