[
{
  "x": 3,
  "y": 4,
  "z": 5,
  "a0": 6,
  "a1": (error),
  "a2": (error),
  "a3": (error),
  "b0": {
    "3": 7
  },
  "b1": 7,
  "b2": (error),
  "b3": (error),
  "c0": {
    "3": {
      "4": 8
    }
  },
  "c1": {
    "4": 8
  },
  "c2": 8,
  "c3": (error),
  "d0": {
    "3": {
      "4": {
        "5": 9
      }
    }
  },
  "d1": {
    "4": {
      "5": 9
    }
  },
  "d2": {
    "5": 9
  },
  "d3": 9
}
]
