C31231211113313121211113313331333133313311211331333133313331311331323132211111   >>    C3123121111331312121111331333133313331331121133133313331333131133132313221111   <<    C31231211113313121211113313331333133313311211331333133313331311331323132211113   >>      C31231211113313121211113313331333133313311211331333133313331311331323132211112   >>