C31231211113313121211113313113313331333132322331333131232233132232311   >>    C3123121111331312121111331311331333133313232233133313123223313223231   <<    C31231211113313121211113313113313331333132322331333131232233132232313   >>      C31231211113313121211113313113313331333132322331333131232233132232312   >>