C31231211113313121211113313331333133313311211331311331121133133313331323223321   >>    C3123121111331312121111331333133313331331121133131133112113313331333132322332   <<    C31231211113313121211113313331333133313311211331311331121133133313331323223323   >>      C31231211113313121211113313331333133313311211331311331121133133313331323223322   >>