# The 64 sugar cubes puzzle

**Published:** July 24, 2026
**Author:** 3Blue1Brown
**Source:** YouTube — Andrej Karpathy
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/the-64-sugar-cubes-puzzle

It's time for a new puzzle of the month. This one comes from a problem on the 2024 British Math Olympiad. The setup is to have 64 sugar cubes arranged in a 4x4x4 block. Each cube is either white, blue, or brown. Your challenge is to prove that you can find 6 pairs of cubes, such…

> From the original source: **YouTube — Andrej Karpathy**
> [Read full article at YouTube — Andrej Karpathy](https://www.youtube.com/shorts/6XPlmCDNLNc)

**Tags:** #YouTube

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