C11112331312111112111133133313331333132323213331333131232322331   >>    C1111233131211111211113313331333133313232321333133313123232233   <<    C11112331312111112111133133313331333132323213331333131232322333   >>      C11112331312111112111133133313331333132323213331333131232322332   >>