GCHQ reveals Christmas puzzle - containing hidden clues for an extra challenge

Headline: Sky News

One of the UK's spy agencies has released a befuddling puzzle to put Britons through their paces as it looks to get more people into intelligence and cybersecurity.
Daily Express
The puzzle is masterminded by a team of experts who work at GCHQ
The Independent

two quotes

We are delighted to be releasing the fourth iteration of our Christmas Challenge aimed at young people, and we hope this year's set of seven puzzles are as fiendishly enjoyable as ever
Colin said
Colin,
father
Puzzles have always been at the heart of GCHQ, and the skills needed to solve them are just as relevant in 2024 as they were over 100 years ago
She said

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