C111123313121111121111331333133313331333131322113121111331312313221311111   >>    C11112331312111112111133133313331333133313132211312111133131231322131111   <<    C111123313121111121111331333133313331333131322113121111331312313221311113   >>      C111123313121111121111331333133313331333131322113121111331312313221311112   >>