C31231211113313121211113313113313331333132322331333131232233132223321   >>    C3123121111331312121111331311331333133313232233133313123223313222332   <<    C31231211113313121211113313113313331333132322331333131232233132223323   >>      C31231211113313121211113313113313331333132322331333131232233132223322   >>