C111123313121111121111331333133313331333133313331333133313332123313232331   >>    C11112331312111112111133133313331333133313331333133313331333212331323233   <<    C111123313121111121111331333133313331333133313331333133313332123313232333   >>      C111123313121111121111331333133313331333133313331333133313332123313232332   >>