{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "data": {
    "values": [
      {"category":"A", "group": "x", "value":0.1},
      {"category":"A", "group": "y", "value":0.6},
      {"category":"A", "group": "z", "value":0.9},
      {"category":"B", "group": "x", "value":0.7},
      {"category":"B", "group": "y", "value":0.2},
      {"category":"B", "group": "z", "value":1.1},
      {"category":"C", "group": "x", "value":0.6},
      {"category":"C", "group": "y", "value":0.1},
      {"category":"C", "group": "z", "value":0.2}
    ]
  },
  "mark": "bar",
  "encoding": {
    "x": {"field": "category"},
    "y": {"field": "value", "type": "quantitative"},
    "xOffset": {"field": "group"},
    "color": {"field": "group"}
  },
  "config": {
    "bar": {"discreteBandSize": {"band": 0.5}}
  }
}