{
  "b917f57dfcd34c0f9896e8f58d89dcd2": {
    "493": {
      "name": "stair",
      "visible_pos": [
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15,
        16,
        17,
        18,
        19,
        21,
        22,
        23,
        24,
        25,
        26,
        27,
        28,
        29,
        30,
        31
      ],
      "bbox2d": [
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          560,
          480
        ],
        [
          0,
          0,
          374,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          386,
          298,
          254,
          182
        ],
        [
          216,
          146,
          424,
          334
        ],
        [
          8,
          93,
          632,
          387
        ],
        [
          0,
          63,
          640,
          417
        ],
        [
          0,
          52,
          640,
          428
        ],
        [
          0,
          53,
          640,
          427
        ],
        [
          0,
          23,
          640,
          457
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          640,
          480
        ],
        [
          0,
          0,
          584,
          480
        ],
        [
          0,
          0,
          337,
          450
        ],
        [
          0,
          0,
          102,
          259
        ],
        [
          424,
          371,
          216,
          109
        ],
        [
          204,
          317,
          436,
          163
        ],
        [
          0,
          291,
          640,
          189
        ],
        [
          592,
          272,
          48,
          208
        ],
        [
          335,
          282,
          305,
          198
        ],
        [
          64,
          226,
          576,
          254
        ],
        [
          0,
          107,
          640,
          373
        ],
        [
          0,
          71,
          640,
          409
        ],
        [
          0,
          134,
          611,
          346
        ],
        [
          0,
          117,
          339,
          363
        ],
        [
          0,
          74,
          147,
          406
        ]
      ]
    },
    "502": {
      "name": "staircase",
      "visible_pos": [
        5,
        6,
        7,
        8,
        9,
        10,
        16,
        17,
        18,
        19,
        28,
        29,
        30,
        31
      ],
      "bbox2d": [
        [
          437,
          444,
          29,
          36
        ],
        [
          294,
          423,
          71,
          57
        ],
        [
          145,
          400,
          490,
          80
        ],
        [
          330,
          337,
          105,
          143
        ],
        [
          214,
          339,
          108,
          141
        ],
        [
          19,
          398,
          76,
          65
        ],
        [
          422,
          41,
          218,
          112
        ],
        [
          200,
          0,
          425,
          235
        ],
        [
          139,
          0,
          227,
          236
        ],
        [
          12,
          2,
          125,
          233
        ],
        [
          413,
          272,
          220,
          105
        ],
        [
          200,
          195,
          439,
          279
        ],
        [
          140,
          234,
          228,
          240
        ],
        [
          0,
          214,
          159,
          253
        ]
      ]
    }
  }
}