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

