{
    "type": "minecraft:decorated",
    "config": {
      "decorator": {
        "type": "minecraft:count",
        "config": {
          "count": 20
        }
      },
      "feature": {
        "type": "minecraft:decorated",
        "config": {
          "decorator": {
            "type": "minecraft:square",
            "config": {}
          },
          "feature": {
            "type": "minecraft:decorated",
            "config": {
              "decorator": {
                "type": "minecraft:range",
                "config": {
                  "maximum": 256,
                  "bottom_offset": 0,
                  "top_offset": 0
                }
              },
              "feature": {
                "type": "minecraft:basalt_pillar",
                "config": {}
              }
            }
          }
        }
      }
    }
  }