# Covering 10 points, a surprisingly tricky puzzle.

**Published:** April 16, 2026
**Author:** 3Blue1Brown
**Source:** YouTube — Andrej Karpathy
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/covering-10-points-a-surprisingly-tricky-puzzle

Here's this month's new puzzle for you. Suppose you have 10 points somewhere on the two-dimensional plane, and your goal is to cover them all with a set of unit discs, that is, discs that have a radius of one. The one rule is that they can't overlap. They have to be disjoint.…

> From the original source: **YouTube — Andrej Karpathy**
> [Read full article at YouTube — Andrej Karpathy](https://www.youtube.com/shorts/QLu_ZsRc_G0)

**Tags:** #YouTube

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