![GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks](https://www.telegraph.co.uk/multimedia/archive/03522/Capture_3522149b.jpg)
GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks
![Christmas puzzle from GCHQ released - can you break the code and decipher the message? - Cambridgeshire Live Christmas puzzle from GCHQ released - can you break the code and decipher the message? - Cambridgeshire Live](https://i2-prod.birminghammail.co.uk/incoming/article17451462.ece/ALTERNATES/s1200/1_sudoku-gchqJPG.jpg)
Christmas puzzle from GCHQ released - can you break the code and decipher the message? - Cambridgeshire Live
GCHQ Christmas Puzzle solution: How to solve the brainteaser - and the four further parts of the puzzle it unlocks
![GCHQ releases answers to Christmas puzzle... which NOBODY was able to solve | London Evening Standard | Evening Standard GCHQ releases answers to Christmas puzzle... which NOBODY was able to solve | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2016/02/08/15/GCHQpuzzle0802a.jpg?width=968&auto=webp&quality=50&crop=968%3A645%2Csmart)