{
  "farmland": [
    [
      50,
      0,
      100,
      100
    ],
    [
      0,
      0,
      50,
      72
    ]
  ],
  "built-up": [
    [
      6,
      0,
      33,
      72
    ],
    [
      33,
      10,
      52,
      90
    ],
    [
      58,
      45,
      90,
      78
    ]
  ],
  "meadow": [],
  "forest": [
    [
      0,
      0,
      18,
      35
    ],
    [
      18,
      0,
      50,
      20
    ],
    [
      28,
      20,
      50,
      45
    ]
  ],
  "water": [
    [
      0,
      55,
      15,
      80
    ]
  ]
}