C111112111133131121133133313331333133313331322121111331333133313232133313113311   >>    C11111211113313112113313331333133313331333132212111133133313331323213331311331   <<    C111112111133131121133133313331333133313331322121111331333133313232133313113313   >>      C111112111133131121133133313331333133313331322121111331333133313232133313113312   >>