9dehcb
8dehc
7deh
6dehcb
5dehc
kndhc
jndh
indhcb
hndhc
gndh
vwch
uwchcb
twchc
swch
rwchcb
65bhcb
55bhc
45bh
35bhcb
25bhc
hfbhc
gfbh
ffbhcb
efbhc
dfbh