{
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    {
      "name": "Arto Hellas",
      "number": "040-123456",
      "id": 1
    },
    {
      "name": "Ada Lovelace",
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    {
      "name": "Dan Abramov",
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    {
      "name": "Mary Poppendieck",
      "number": "39-23-6423122",
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}