{
  "name": "Permutation groups",
  "order": 5,
  "challenges": [
    {
      "id": "59a5801209a6acac5983b625",
      "title": "Definitions and notation",
      "description": [
        ""
      ],
      "challengeSeed": [
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      ],
      "tests": [
        ""
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    },
    {
      "id": "59a5801209a6acac5983a999",
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      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
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    }
  ]
}