C11112331312111112111133133313331333132323213331333131323132111   >>    C1111233131211111211113313331333133313232321333133313132313211   <<    C11112331312111112111133133313331333132323213331333131323132113   >>      C11112331312111112111133133313331333132323213331333131323132112   >>