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    {
      "id": "acute-isosceles-square",
      "family": "isosceles",
      "title": "Acute isosceles triangles in a square",
      "shape": "apex 50°",
      "ratio": 1,
      "status": "open",
      "question": "Can a boundary-adapted construction beat alternating reflected rows?",
      "difficulty": "starter"
    },
    {
      "id": "equilateral-ratio-sqrt3",
      "family": "equilateral",
      "title": "Equilateral transition near √3",
      "shape": "60°",
      "ratio": 1.732,
      "status": "open",
      "question": "Locate the exact aspect ratio where the dominant row orientation changes.",
      "difficulty": "research"
    },
    {
      "id": "obtuse-isosceles-strip",
      "family": "isosceles",
      "title": "Obtuse isosceles strip packing",
      "shape": "apex 110°",
      "ratio": 3,
      "status": "open",
      "question": "Find a reproducible construction with less than 8% boundary waste.",
      "difficulty": "solver"
    },
    {
      "id": "scalene-phase-map",
      "family": "scalene",
      "title": "First scalene phase-map slice",
      "shape": "40° / 65° / 75°",
      "ratio": 1.5,
      "status": "open",
      "question": "Establish a verified baseline across a normalized scalene slice.",
      "difficulty": "frontier"
    }
  ]
}
