C133323133112111133133313331333133313223331333133313331323112211212121   >>    C13332313311211113313331333133313331322333133313331333132311221121212   <<    C133323133112111133133313331333133313223331333133313331323112211212123   >>      C133323133112111133133313331333133313223331333133313331323112211212122   >>