C31231211113313121211113313331333133313331213331311331311331333132322133322331   >>    C3123121111331312121111331333133313331333121333131133131133133313232213332233   <<    C31231211113313121211113313331333133313331213331311331311331333132322133322333   >>      C31231211113313121211113313331333133313331213331311331311331333132322133322332   >>