{
  "title": "Natural Number Arithmetic",
  "origin_url": "https://www.cs.mu.oz.au/lygon/examples.html",
  "license_guess": null,
  "code_sha256": "d999a1e699e5309f21e0b0c9fe506718309d6e8c606c5d8c3b04052d25df83a8",
  "added_at": "2026-02-09T18:45:17Z"
}
