Archive for
- New Scientist Enigma 938 – Trios of Primes on December 21, 2021
- Sunday Times Teaser 3091 – Birthday Money on December 17, 2021
- Sunday Times Teaser 3090 – Main Line on December 10, 2021
- Sunday Times Brain-Teaser 889 – Counting the Hours on December 8, 2021
- Sunday Times Teaser 3089 – An Old Square on December 3, 2021