C3123121111331311213331333131133133313331333133313311211113313331323132212111   >>    C312312111133131121333133313113313331333133313331331121111331333132313221211   <<    C3123121111331311213331333131133133313331333133313311211113313331323132212113   >>      C3123121111331311213331333131133133313331333133313311211113313331323132212112   >>