C31231211113313121211113313331333133313331213331311331333131133132322112331   >>    C3123121111331312121111331333133313331333121333131133133313113313232211233   <<    C31231211113313121211113313331333133313331213331311331333131133132322112333   >>      C31231211113313121211113313331333133313331213331311331333131133132322112332   >>