ABCDEFDEFAB
ABCDEFDFEAC
ABCDFEDEFAC
ABCDFEDEFBF
ABDCEAEDFEF
ABDCEFDEAFB
ABDECDFAEAE
ABDECDFAEFB
ABDECDFAFDF
ABDFDBDEFDF
ABDFDBDFEDE
ACBDEFDFEAB
ACBDFEDEFAB
ACBDFEDFEAC
ACDBDFEFAFE
ACDCEAFEFAB
ACDCEFAEAFB
ACDEACAEFDF
ACDEACAFEDE
ACDEFBCAEFE
ACDFDEABFBC