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

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

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