C31231211113313121211113313331333133313331213331311331311331333132313331323221   >>    C3123121111331312121111331333133313331333121333131133131133133313231333132322   <<    C31231211113313121211113313331333133313331213331311331311331333132313331323223   >>      C31231211113313121211113313331333133313331213331311331311331333132313331323222   >>