C31231211111133131211113313331333133312111133133313331333133313233213331322331   >>    C3123121111113313121111331333133313331211113313331333133313331323321333132233   <<    C31231211111133131211113313331333133312111133133313331333133313233213331322333   >>      C31231211111133131211113313331333133312111133133313331333133313233213331322332   >>