C133323133112111133133313331333133313223331333133313331333221222121   >>    C13332313311211113313331333133313331322333133313331333133322122212   <<    C133323133112111133133313331333133313223331333133313331333221222123   >>      C133323133112111133133313331333133313223331333133313331333221222122   >>