{
  "farmland": [
    [
      0,
      0,
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      100
    ]
  ],
  "built-up": [],
  "meadow": [],
  "forest": [
    [
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      0,
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    ]
  ],
  "water": [
    [
      0,
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    ],
    [
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      21,
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    ],
    [
      0,
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      100,
      100
    ]
  ]
}