Think you're a code-breaker? Try these GCHQ puzzles
Sharpen up your codebreaker skills with these games from a new GCHQ puzzles book, seen first by the Telegraph. Think you've cracked them? More fiendish puzzles await... General hint: Many of the puzzles may look more intractable than they really are. In a lot of cases the trick is to approach the puzzle with the right mindset – in other words to think like a GCHQ puzzle setter.
Continue Reading http://www.telegraph.co.uk
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