C111112111133131121133133313331333133313123221211113313331322112332311   >>    C11111211113313112113313331333133313331312322121111331333132211233231   <<    C111112111133131121133133313331333133313123221211113313331322112332313   >>      C111112111133131121133133313331333133313123221211113313331322112332312   >>