l
0 0 0 9 8 5 0 0 0
0 0 1 0 0 0 0 0 2
0 0 7 0 0 0 9 0 4
0 5 0 6 0 0 0 9 1
0 6 0 1 0 7 0 3 0
1 4 0 0 0 2 0 7 0 
8 0 6 0 0 0 7 0 0
2 0 0 0 0 0 5 0 0
0 0 0 3 1 6 0 0 0
d
c
q