{
  "domain": "computer-science",
  "topics": [
    "constraint-programming",
    "integer-programming"
  ],
  "type": "construction",
  "also": [
    "proof"
  ],
  "source": {
    "key": "csplib",
    "name": "CSPLib",
    "url": "https://www.csplib.org/Problems/prob110/",
    "id": "prob110",
    "curator": "CSPLib editors",
    "poser": "Özgür Akgün",
    "status": "open",
    "as_of": "2026-10-20",
    "catalog": "0521c19bbd38"
  },
  "review": true,
  "approval": "first-time"
}