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