C31231211113313121211113313331333133313331213331323133313221322331   >>    C3123121111331312121111331333133313331333121333132313331322132233   <<    C31231211113313121211113313331333133313331213331323133313221322333   >>      C31231211113313121211113313331333133313331213331323133313221322332   >>