C111123313121111121111331333133313331333131233133313311212223331   >>    C11112331312111112111133133313331333133313123313331331121222333   <<    C111123313121111121111331333133313331333131233133313311212223333   >>      C111123313121111121111331333133313331333131233133313311212223332   >>