C111112111133131121133133313331333133313121111331333133323232133311   >>    C11111211113313112113313331333133313331312111133133313332323213331   <<    C111112111133131121133133313331333133313121111331333133323232133313   >>      C111112111133131121133133313331333133313121111331333133323232133312   >>