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

0 0 3   0 1 0   0 8 0
9 0 0   8 6 0   0 0 5
0 5 0   0 9 3   6 0 0

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