C3123121111331311213331333131133133313331333133313331333133313331322121123311   >>    C312312111133131121333133313113313331333133313331333133313331333132212112331   <<    C3123121111331311213331333131133133313331333133313331333133313331322121123313   >>      C3123121111331311213331333131133133313331333133313331333133313331322121123312   >>