![GCHQ on Twitter: "Congratulations to Angus Walker, winner of the #GCHQPuzzleBook competition https://t.co/uxK3PuppZS" / Twitter GCHQ on Twitter: "Congratulations to Angus Walker, winner of the #GCHQPuzzleBook competition https://t.co/uxK3PuppZS" / Twitter](https://pbs.twimg.com/media/C-W35-6XUAQJ1pT.jpg)
GCHQ on Twitter: "Congratulations to Angus Walker, winner of the #GCHQPuzzleBook competition https://t.co/uxK3PuppZS" / Twitter
![Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/01/28/12/GCHQ-PART-1-PUZZLE.jpg?quality=75&width=640&auto=webp)
Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent
HLN.be - Voorpagina - Onderzoek naar "cadeautjes" van Tomorrowland / #BRA - Nooit zo VERNEDERD | Facebook
Beste puzzelaar ter wereld maakt onze maandagpuzzel, en dit is de oplossing! | Het leukste van het web | hln.be
![Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/01/28/12/GCHQ-PART-1-PUZZLE.jpg?width=1200&height=1200&fit=crop)
Here's who came closest to solving GCHQ's 'fiendishly difficult' Christmas puzzle | The Independent | The Independent
![GCHQ release puzzle book filled with 'world's hardest brain teasers' for Christmas | The Independent | The Independent GCHQ release puzzle book filled with 'world's hardest brain teasers' for Christmas | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2016/10/19/09/gchq-puzzles.jpg)
GCHQ release puzzle book filled with 'world's hardest brain teasers' for Christmas | The Independent | The Independent
![Wim Hulpia on Twitter: "Three Point One Four One Five Nine Two Six Five ... Three = (pi) so T https://t.co/8IbnQNbHSl" / Twitter Wim Hulpia on Twitter: "Three Point One Four One Five Nine Two Six Five ... Three = (pi) so T https://t.co/8IbnQNbHSl" / Twitter](https://pbs.twimg.com/media/C64zGKAW0AEVkMd.jpg)