GitHub - ajparsons/gchq-grid-puzzle: Script with brute force solution to the first part of gchq christmas puzzle 2015
GCHQ reveals answers and winners of Christmas puzzle | The Week
GCHQ Christmas quiz: Here are the answers to the puzzle no one could solve | Metro News
GCHQ release puzzle book filled with 'world's hardest brain teasers' for Christmas | The Independent | The Independent
GCHQ Christmas card includes tricky puzzle.
How to crack British intelligence service's devilish Christmas puzzle
GitHub - orome/gchq-puzzles-ma: Solution to the GCHQ 2015 puzzle [MOVED]
GCHQ Christmas quiz: Here are the answers to the puzzle no one could solve | Metro News
GCHQ release fiendishly difficult Christmas posers they don't expect you to solve | Daily Mail Online
Director GCHQ's Christmas Puzzle 2015 - Part 1 - GCHQ.GOV.UK
Trying to solve GCHQ's Puzzle Book II (The Cover) — Steemit
Britain's Spy Agency GCHQ Has Sent a Cryptic Christmas Card
GCHQ Christmas card answers revealed as director reveals no one cracked it, despite three people getting close - Mirror Online
GCHQ Christmas quiz: Here are the answers to the puzzle no one could solve | Metro News
GCHQ 2015 Crypto Puzzle Analysed - Cryptanalysis with Lisp : r/lisp
Puzzles - GCHQ.GOV.UK
Director GCHQ's Christmas Puzzle 2015 - Part 5 - GCHQ.GOV.UK
Can you solve GCHQ's infuriatingly complex Christmas puzzle? | GCHQ | The Guardian
GCHQ: Nobody got crypto Christmas puzzle correct | WIRED UK
Every GCHQ Christmas Card - The Actual Maths
GCHQ Christmas quiz: Here are the answers to the puzzle no one could solve | Metro News
The Codebreaker's Christmas Puzzle | Commsrisk
GCHQ releases Picross-like puzzle to the public | Eurogamer.net
Reddit tries to find solution to GCHQ Christmas puzzle | WIRED UK
Director GCHQ's Christmas Puzzle 2015 - Part 5 - GCHQ.GOV.UK
![The GCHQ Puzzle Book [Review] – Lock Me If You Can](https://lockmeifyoucan.files.wordpress.com/2017/01/img_9312.jpg "The GCHQ Puzzle Book [Review] – Lock Me If You Can")
The GCHQ Puzzle Book [Review] – Lock Me If You Can
