{
  "nodes": [
    {
      "id": "gate_0",
      "type": "NAND"
    },
    {
      "id": "gate_1",
      "type": "NAND"
    },
    {
      "id": "gate_2",
      "type": "NAND"
    },
    {
      "id": "gate_3",
      "type": "NOT"
    }
  ],
  "edges": [
    {
      "source": "gate_0",
      "target": "gate_3"
    },
    {
      "source": "gate_0",
      "target": "gate_2"
    },
    {
      "source": "gate_3",
      "target": "gate_1"
    }
  ],
  "image_path": "images/lb1k_00042.jpg"
}