{
  "node_id": "oo-e001f9dfe2da4caabaec2a1f75eb5bb3",
  "keywords": [],
  "children": [],
  "export": [
    "exercise_pre.json",
    "exercise_1.json",
    "exercise_2.json",
    "exercise_3.json",
    "exercise_4.json",
    "exercise_10.json",
    "exercise_11.json",
    "exercise_5.json",
    "exercise_8.json",
    "exercise_9.json",
    "exercise_12.json",
    "exercise_6.json",
    "exercise_7.json"
  ],
  "keywords_must": [],
  "keywords_forbid": [],
  "group": 0
}