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  "sample_id": 27,
  "target_number": 15,
  "background_image": "num15.png",
  "correct_answer_index": 3,
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      "sum": 13,
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      "sum": 15,
      "is_correct": true,
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    "dart_extra_offset": [
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    "arrow_adjustments": [
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        "adjusted": [
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    "final_coordinates": {
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  "generation_info": {
    "total_images": 5,
    "correct_answer_image": "image_3.png"
  }
}