8aecc
7aec
6aecca
5aecc
4aec
jkdc
ikdcca
hkdcc
gkdc
fkdcca
utccca
ttccc
stcc
rtccca
qtccc
52bcc
42bc
32bcca
22bcc
12bc
gcbc
fcbcca
ecbcc
dcbc
ccbcca