Between Christmas and New Year, we are publishing some of our most challenging puzzles. We know a lot of people manage to solve them, but our website analytics show that there are far more attempts by readers at the answer, ranging from wild guesses to some genuinely hilarious and mystifying thought processes.

So, get your thin tissue-paper puzzling hats on and have a go at these – we’ll add a new one each day.

1. Miracle 47

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