C3123121111331311213331333131133133313331333133313331333133313331333131223111   >>    C312312111133131121333133313113313331333133313331333133313331333133313122311   <<    C3123121111331311213331333131133133313331333133313331333133313331333131223113   >>      C3123121111331311213331333131133133313331333133313331333133313331333131223112   >>