C31231211113313121211113313113313331333132322331311331311331323221121   >>    C3123121111331312121111331311331333133313232233131133131133132322112   <<    C31231211113313121211113313113313331333132322331311331311331323221123   >>      C31231211113313121211113313113313331333132322331311331311331323221122   >>