NodeShuffler/small.json

{
  "layers": [
    [
      {
        "name": "n1"
      },
      {
        "name": "n2"
      }
    ],
    [
      {
        "name": "n3"
      },
      {
        "name": "n4"
      }
    ]
  ],
  "edges": [
    {
      "source": "n1",
      "target": "n4"
    },
    {
      "source": "n2",
      "target": "n4"
    }
  ],
  "name": "n1"
}