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Issue 20
Spirographs, complex triangles and a lot of ants feature in our AW24 issue! Plus all your favourite puzzles & columns.
The Josephus problem
Alvin Choy works out who will be the last one left in
Top Ten vote issue 17
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On the cover: Vhat? Vhere? Venn
Madeleine Hall takes a brief dive into the world’s favourite set-relationship-representation diagram.
Chalkdust issue 11 puzzle hunt #3
David Sheard sets the third puzzle. Can you solve it?
Four things you didn’t notice in Issue 05
How many did you spot?