Moriarty has challenged Holmes to the ultimate one-to-one battle of wits, and it will need all of Holmes’ infamous code-breaking skills for him to become the victor. Holmes must deduce the correct order of four coloured pegs hidden in the hooded section of a wooden box. But he has a mere ten guesses to get it right. Can you work out the correct colour and order of the four hidden pegs in just ten guesses?
