C3123121111331311213331333131133133313331333133313331331121213321   >>    C312312111133131121333133313113313331333133313331333133112121332   <<    C3123121111331311213331333131133133313331333133313331331121213323   >>      C3123121111331311213331333131133133313331333133313331331121213322   >>