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