captcha/coordinates/sample_0017/coordinates.json

{
  "image_list": [
    "image_1.png",
    "image_2.png",
    "image_3.png",
    "image_4.png",
    "image_5.png"
  ],
  "ground_truth_image_index": 1,
  "arrow_box": [
    [
      459,
      711,
      519,
      771
    ],
    [
      888,
      691,
      948,
      751
    ]
  ],
  "submit_box": [
    40,
    620,
    375,
    750
  ]
}