C133323133112111133133313331333133313223313331333133313121133231   >>    C13332313311211113313331333133313331322331333133313331312113323   <<    C133323133112111133133313331333133313223313331333133313121133233   >>      C133323133112111133133313331333133313223313331333133313121133232   >>