C133323133112111133133313331333133313231333133313331333133313211232321111   >>    C13332313311211113313331333133313331323133313331333133313331321123232111   <<    C133323133112111133133313331333133313231333133313331333133313211232321113   >>      C133323133112111133133313331333133313231333133313331333133313211232321112   >>