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

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

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

hard
