C31231211113313121211113313331333133313331213331333133313132321331   >>    C3123121111331312121111331333133313331333121333133313331313232133   <<    C31231211113313121211113313331333133313331213331333133313132321333   >>      C31231211113313121211113313331333133313331213331333133313132321332   >>