{
  "canvas": {
    "width": 832,
    "height": 480
  },
  "instructions": "Rigidly move all seven pieces (translation + rotation; the parallelogram may also be reflected) so that together they exactly tile target_silhouette without overlaps. Report each piece's final pose.",
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    {
      "piece_id": "large_tri_1",
      "color": [
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        139,
        151
      ],
      "vertices": [
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        [
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      "start_pose": {
        "reflect": false,
        "rot_deg": 180.0,
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        "ty": 152.07025601324796
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    },
    {
      "piece_id": "large_tri_2",
      "color": [
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      "vertices": [
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          0.0
        ],
        [
          128.0,
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        ],
        [
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      ],
      "start_pose": {
        "reflect": false,
        "rot_deg": 135.0,
        "tx": 723.8322863600382,
        "ty": 116.39529441828272
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    },
    {
      "piece_id": "medium_tri",
      "color": [
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        64
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      "vertices": [
        [
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          0.0
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        [
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        [
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      "start_pose": {
        "reflect": false,
        "rot_deg": 135.0,
        "tx": 813.4911760055916,
        "ty": 176.75247524132615
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    },
    {
      "piece_id": "square",
      "color": [
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      "vertices": [
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          0.0
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        [
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        [
          64.0,
          64.0
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        [
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      ],
      "start_pose": {
        "reflect": false,
        "rot_deg": 45.0,
        "tx": 320.0139250746305,
        "ty": 61.22944751517606
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    },
    {
      "piece_id": "parallelogram",
      "color": [
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        53,
        133
      ],
      "vertices": [
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        [
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        [
          128.0,
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        [
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          64.0
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      ],
      "start_pose": {
        "reflect": false,
        "rot_deg": 135.0,
        "tx": 159.08535687265083,
        "ty": 354.252230739411
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    },
    {
      "piece_id": "small_tri_1",
      "color": [
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        155
      ],
      "vertices": [
        [
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          0.0
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        [
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        [
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      ],
      "start_pose": {
        "reflect": false,
        "rot_deg": 270.0,
        "tx": 669.5599205381436,
        "ty": 433.2690485699487
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    },
    {
      "piece_id": "small_tri_2",
      "color": [
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      ],
      "vertices": [
        [
          0.0,
          0.0
        ],
        [
          64.0,
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        [
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          64.0
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      ],
      "start_pose": {
        "reflect": false,
        "rot_deg": 45.0,
        "tx": 163.0033522037964,
        "ty": 251.7416944882054
      }
    }
  ],
  "target_silhouette": [
    [
      [
        384.0,
        176.0
      ],
      [
        320.0,
        240.0
      ],
      [
        256.0,
        304.0
      ],
      [
        320.0,
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      [
        384.0,
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      [
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      [
        512.0,
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      [
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      [
        512.0,
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        176.0
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      [
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      [
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    ]
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}