C31231211113313121211113313331333133313331213331333131333132212133311   >>    C3123121111331312121111331333133313331333121333133313133313221213331   <<    C31231211113313121211113313331333133313331213331333131333132212133313   >>      C31231211113313121211113313331333133313331213331333131333132212133312   >>