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@Alec: Yes, it should say positive integers
Matthew
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 2026 

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

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 2025 

Dec 2025

Christmas card 2025

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Christmas (2025) is coming!

Sep 2025

The partridge puzzle

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TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

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Friendly squares
 2024 

Dec 2024

A regular expression Christmas puzzle
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Nov 2024

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Feb 2024

Zines, pt. 2

Jan 2024

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