From the magazine

2689: Annus impuratus? – solution

The Spectator
EXPLORE THE ISSUE 01 March 2025
issue 01 March 2025

The puzzle title alluded to a ‘base year’ and the message spelt out using unclued lights was ‘PUZZLE NUMBER is THIS YEAR, TWENTY TWENTY-FIVE, when WRITTEN IN BASE ELEVEN’.

First prize R.J. Green, Guildford

Runners-up John and Di Lee, Axminster; Kathleen Durber, Stoke-on-Trent

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