{
  "title": "Simple Arithmetic",
  "origin_url": "https://en.wikipedia.org/wiki/Klerer-May_System",
  "license_guess": null,
  "code_sha256": "1b576b36f5c8d1c69fb14b1bd3326d1f2a0fa5b59519f1cd661c8b3331c76931",
  "added_at": "2026-02-07T18:30:00Z"
}