b7nnb
c7nnb4
d7nn
e7nnb
f7nnb4
0xonb4
1xon
2xonb
3xonb4
4xon
popn
qopnb
ropnb4
sopn
topnb
efqnb
ffqnb4
gfqn
hfqnb
ifqnb4
35qnb4
45qn
55qnb
65qnb4
75qn