{
  "dung_train01": {
    "childGameMechanicsId": [
      "dung_train10",
      "dung_train11"
    ],
    "gameMechanicsId": "dung_train01"
  },
  "dung_train05": {
    "childGameMechanicsId": [
      "dung_train06",
      "dung_train07",
      "dung_train08",
      "dung_train09"
    ],
    "gameMechanicsId": "dung_train05"
  },
  "dung_train03": {
    "childGameMechanicsId": [
      "dung_train02",
      "dung_train04",
      "dung_train12"
    ],
    "gameMechanicsId": "dung_train03"
  }
}