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