C111123313121111121111331333133313331333131233133313331122322331   >>    C11112331312111112111133133313331333133313123313331333112232233   <<    C111123313121111121111331333133313331333131233133313331122322333   >>      C111123313121111121111331333133313331333131233133313331122322332   >>