
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

Disagree with half of it, enjoy reading all of it
TRY 3 MONTHS FOR $5
Our magazine articles are for subscribers only. Start your 3-month trial today for just $5 and subscribe to more than one view
Already a subscriber? Log in
Comments
Join the debate for just $5 for 3 months
Be part of the conversation with other Spectator readers by getting your first three months for $5.
UNLOCK ACCESS Just $5 for 3 monthsAlready a subscriber? Log in