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

