C31231211113313121211113313331333133313331213331333133312111133221311131   >>    C3123121111331312121111331333133313331333121333133313331211113322131113   <<    C31231211113313121211113313331333133313331213331333133312111133221311133   >>      C31231211113313121211113313331333133313331213331333133312111133221311132   >>