C133323133112111133133313331333133313223331333133313331211111312121   >>    C13332313311211113313331333133313331322333133313331333121111131212   <<    C133323133112111133133313331333133313223331333133313331211111312123   >>      C133323133112111133133313331333133313223331333133313331211111312122   >>