C31231211113313121211113313331333133313331213331322331311332211   >>    C3123121111331312121111331333133313331333121333132233131133221   <<    C31231211113313121211113313331333133313331213331322331311332213   >>      C31231211113313121211113313331333133313331213331322331311332212   >>