Enigmatic Variations 1540
Going Postal by Piccadilly
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The perimeter and NW-SE diagonal contain the postal address for EV entries.
A few years ago, I compiled a puzzle on the same theme. I didn’t submit it straight away as I had other puzzles in the pipeline. Then the address for postal entries changed, so the puzzle was sent to the recycling bin rather than the Telegraph. Some time later I compiled this puzzle only for postal entries to be suspended due to Covid. So, it’s been a relief to finally see it published; I hope at least some solvers found it enjoyable.
A full review of this puzzle can be seen over on fifteensquared.