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 "layers": [
  {
   "layerId": 0,
   "layerName": "SchoolGrades2019",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "A = 62% of points or greater",
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     "groupId": "0",
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     "values": [
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    {
     "label": "B = 54% to 61% of points",
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     "label": "C = 41% to 53% of points",
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     "groupId": "0",
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     "groupId": "0",
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     "values": [
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    },
    {
     "label": "F = 31% of points or less",
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     "groupId": "0",
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     "values": [
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    },
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   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Grade 2019"
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