{
  "series": [
    {
      "parallel": [
        {"series": ["3CW-M020A", "3CW-P020A"]},
        {"series": ["3CW-M020B", "3CW-P020B"]}
      ]
    },
    {
      "parallel_no_redundancy": [
        {"series": ["3CW-M010A", "3CW-P010A"]},
        {"series": ["3CW-M010B", "3CW-P010B"]}
      ]
    },
    {
      "parallel": ["3CW-P011A", "3CW-P011B"]
    }
  ]
}