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