C111112111133131121133133313331333131131211113313331333133313231322332311   >>    C11111211113313112113313331333133313113121111331333133313331323132233231   <<    C111112111133131121133133313331333131131211113313331333133313231322332313   >>      C111112111133131121133133313331333131131211113313331333133313231322332312   >>