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

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

1 0 0  5 0 0  0 0 9
5 0 0  6 9 0  0 2 0
0 6 0  0 1 0  3 0 0

easy
