CDCAB
ACDBB
BABBD
ADDDA
DABDD
ADCBB
DDABC
DCACC

ABC
ABD
BCD
ABD
BCD
ABCD
ABC
AD
AC
BCD
ABCD
BCD
ABC
ABC
ABCD
ABCD
AD
BD
ABD
ABC
TFTTFTTTFTTTFFFTFFTT