C31231211113313121211113313331333133313331213331313331323233111   >>    C3123121111331312121111331333133313331333121333131333132323311   <<    C31231211113313121211113313331333133313331213331313331323233113   >>      C31231211113313121211113313331333133313331213331313331323233112   >>