C31231211111133131211113313331333133312111112111133133313331322331121   >>    C3123121111113313121111331333133313331211111211113313331333132233112   <<    C31231211111133131211113313331333133312111112111133133313331322331123   >>      C31231211111133131211113313331333133312111112111133133313331322331122   >>