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