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      "kind": "OPENS",
      "relation_id": 10741
    },
    {
      "source": 10740,
      "target": 9207,
      "kind": "FILLED_BY",
      "relation_id": 10742
    },
    {
      "source": 9060,
      "target": 10755,
      "kind": "OPENS",
      "relation_id": 10756
    },
    {
      "source": 10755,
      "target": 9223,
      "kind": "FILLED_BY",
      "relation_id": 10757
    },
    {
      "source": 9095,
      "target": 10770,
      "kind": "OPENS",
      "relation_id": 10771
    },
    {
      "source": 10770,
      "target": 9239,
      "kind": "FILLED_BY",
      "relation_id": 10772
    },
    {
      "source": 9095,
      "target": 10785,
      "kind": "OPENS",
      "relation_id": 10786
    },
    {
      "source": 10785,
      "target": 9255,
      "kind": "FILLED_BY",
      "relation_id": 10787
    },
    {
      "source": 9161,
      "target": 10800,
      "kind": "OPENS",
      "relation_id": 10801
    },
    {
      "source": 10800,
      "target": 9191,
      "kind": "FILLED_BY",
      "relation_id": 10802
    },
    {
      "source": 9410,
      "target": 10815,
      "kind": "OPENS",
      "relation_id": 10816
    },
    {
      "source": 10815,
      "target": 9446,
      "kind": "FILLED_BY",
      "relation_id": 10817
    },
    {
      "source": 9432,
      "target": 10830,
      "kind": "OPENS",
      "relation_id": 10831
    },
    {
      "source": 10830,
      "target": 9462,
      "kind": "FILLED_BY",
      "relation_id": 10832
    },
    {
      "source": 243,
      "target": 8411,
      "kind": "HOSTS",
      "relation_id": [
        10711,
        10712
      ],
      "through_opening": 10710
    },
    {
      "source": 8484,
      "target": 9175,
      "kind": "HOSTS",
      "relation_id": [
        10726,
        10727
      ],
      "through_opening": 10725
    },
    {
      "source": 8484,
      "target": 9207,
      "kind": "HOSTS",
      "relation_id": [
        10741,
        10742
      ],
      "through_opening": 10740
    },
    {
      "source": 9060,
      "target": 9223,
      "kind": "HOSTS",
      "relation_id": [
        10756,
        10757
      ],
      "through_opening": 10755
    },
    {
      "source": 9095,
      "target": 9239,
      "kind": "HOSTS",
      "relation_id": [
        10771,
        10772
      ],
      "through_opening": 10770
    },
    {
      "source": 9095,
      "target": 9255,
      "kind": "HOSTS",
      "relation_id": [
        10786,
        10787
      ],
      "through_opening": 10785
    },
    {
      "source": 9161,
      "target": 9191,
      "kind": "HOSTS",
      "relation_id": [
        10801,
        10802
      ],
      "through_opening": 10800
    },
    {
      "source": 9410,
      "target": 9446,
      "kind": "HOSTS",
      "relation_id": [
        10816,
        10817
      ],
      "through_opening": 10815
    },
    {
      "source": 9432,
      "target": 9462,
      "kind": "HOSTS",
      "relation_id": [
        10831,
        10832
      ],
      "through_opening": 10830
    }
  ],
  "edge_counts": {
    "OPENS": 10,
    "COMPOSES": 19,
    "CONTAINS": 29,
    "FILLED_BY": 9,
    "HOSTS": 9
  },
  "scope": "Semantic STEP relationships; sample model as software fixture; geometry and egress not validated"
}