C31231211113313121211113313331333133313331213331333133312113313331333221121   >>    C3123121111331312121111331333133313331333121333133313331211331333133322112   <<    C31231211113313121211113313331333133313331213331333133312113313331333221123   >>      C31231211113313121211113313331333133313331213331333133312113313331333221122   >>