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