C31231211113313121211113313331333133313331213331322133313133313132331   >>    C3123121111331312121111331333133313331333121333132213331313331313233   <<    C31231211113313121211113313331333133313331213331322133313133313132333   >>      C31231211113313121211113313331333133313331213331322133313133313132332   >>