C31231211113313121211113313331333133313331213331333133311322231   >>    C3123121111331312121111331333133313331333121333133313331132223   <<    C31231211113313121211113313331333133313331213331333133311322233   >>      C31231211113313121211113313331333133313331213331333133311322232   >>