C31231211113313121211113313113313331333131133133313133313223223311   >>    C3123121111331312121111331311331333133313113313331313331322322331   <<    C31231211113313121211113313113313331333131133133313133313223223313   >>      C31231211113313121211113313113313331333131133133313133313223223312   >>