C133323133112111133133313331333133313231333133313331333133313211231321211   >>    C13332313311211113313331333133313331323133313331333133313331321123132121   <<    C133323133112111133133313331333133313231333133313331333133313211231321213   >>      C133323133112111133133313331333133313231333133313331333133313211231321212   >>