{
  "feature": {
    "type": "minecraft:block_column",
    "config": {
      "direction": "down",
      "allowed_placement": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:air"
        ]
      },
      "prioritize_tip": false,
      "layers": [
        {
          "height": {
            "type": "minecraft:biased_to_bottom",
            "value": {
              "min_inclusive": 1,
              "max_inclusive": 5
            }
          },
          "provider": {
            "type": "minecraft:simple_state_provider",
            "state": {
              "Name": "minecraft:cobweb"
            }
          }
        }
      ]
    }
  },
  "placement": [
    {
      "type": "minecraft:count",
      "count": 256
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:height_range",
      "height": {
        "type": "minecraft:uniform",
        "min_inclusive": {
          "above_bottom": 11
        },
        "max_inclusive": {
          "absolute": 192
        }
      }
    },
    {
      "type": "minecraft:environment_scan",
      "direction_of_search": "up",
      "max_steps": 32,
      "target_condition": {
        "type": "minecraft:has_sturdy_face",
        "offset": [
          0,
          1,
          0
        ],
        "direction": "down"
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
