files / problems / covering / share / 2026-08-16 / FROZEN.md

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Frozen snapshot — 2026-08-16

Copy of problems/covering at commit 96faf40.

This is what was emailed to Davydov, Marcugini, and Pambianco on 2026-08-16 (subject: “A 50-column code with covering radius 2 at r=10”), including explainer.pdf as they first received it. Do not edit files in this folder.