{
  "backgroundColours": [
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      "mininumPenetration": 0,
      "maximumPenetration": 29,
      "colour": "orange"
    },
    {
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    },
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      "colour": "yellow"
    },
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      "colour": "green"
    },
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      "maximumPenetration": 79,
      "colour": "blue"
    },
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      "maximumPenetration": 200,
      "colour": "violet"
    }
  ]
}