C31231211113313121211113313331333133313331213331323133313331311331323211   >>    C3123121111331312121111331333133313331333121333132313331333131133132321   <<    C31231211113313121211113313331333133313331213331323133313331311331323213   >>      C31231211113313121211113313331333133313331213331323133313331311331323212   >>