C3123121111331311213331333131133133313331333133313311211113313222122311   >>    C312312111133131121333133313113313331333133313331331121111331322212231   <<    C3123121111331311213331333131133133313331333133313311211113313222122313   >>      C3123121111331311213331333131133133313331333133313311211113313222122312   >>