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

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