C11112331312111112111133133313331333132323213331333131323131111   >>    C1111233131211111211113313331333133313232321333133313132313111   <<    C11112331312111112111133133313331333132323213331333131323131113   >>      C11112331312111112111133133313331333132323213331333131323131112   >>