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