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GCHQ's 2015 Christmas Puzzle: Meet the Nonogram, plus tips on how to solve one from a beginner | Intervirals
![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=1200&auto=webp&quality=75)
GCHQ releases answers to Christmas puzzle... which NOBODY was able to solve | London Evening Standard | Evening Standard
GitHub - lukehutch/picross-solver: Picross puzzle solver, written for GCHQ Director's Christmas puzzle challenge 2015
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