C31231211113313121211113313331333133313331213331322331311323131   >>    C3123121111331312121111331333133313331333121333132233131132313   <<    C31231211113313121211113313331333133313331213331322331311323133   >>      C31231211113313121211113313331333133313331213331322331311323132   >>