C133323133112111133133313331333133313223331333133313232113213121   >>    C13332313311211113313331333133313331322333133313331323211321312   <<    C133323133112111133133313331333133313223331333133313232113213123   >>      C133323133112111133133313331333133313223331333133313232113213122   >>