C31231211113313121211113313331333133313331213331333131333131322331   >>    C3123121111331312121111331333133313331333121333133313133313132233   <<    C31231211113313121211113313331333133313331213331333131333131322333   >>      C31231211113313121211113313331333133313331213331333131333131322332   >>