C31231211113313121211113313331333133313331213331322331322121121   >>    C3123121111331312121111331333133313331333121333132233132212112   <<    C31231211113313121211113313331333133313331213331322331322121123   >>      C31231211113313121211113313331333133313331213331322331322121122   >>