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

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

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