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

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