{
  "type": "minecraft:random_patch",
  "config": {
    "tries": 100,
    "xz_spread": 2,
    "y_spread": 2,
    "feature": {
      "feature": {
        "type": "minecraft:block_column",
        "config": {
          "direction": "up",
          "allowed_placement": {
            "type": "minecraft:matching_blocks",
            "blocks": "minecraft:air"
          },
          "prioritize_tip": false,
          "layers": [
            {
              "height": {
                "type": "minecraft:biased_to_bottom",
                  "min_inclusive": 1,
                  "max_inclusive": 1
              },
              "provider": {
                "type": "minecraft:simple_state_provider",
                "state": {
                  "Name": "minecraft:fire",
                  "Properties": {
                    "age": "4",
                    "east": "true",
                    "south": "true",
                    "north": "true",
                    "west": "true",
                    "up": "true"
                  }
                }
              }
            }
          ]
        }
      },
      "placement": [
        {
          "type": "minecraft:block_predicate_filter",
          "predicate": {
            "type": "minecraft:all_of",
            "predicates": [
              {
                "type": "minecraft:matching_blocks",
                "blocks": "minecraft:air"
              },
              {
                "type": "minecraft:would_survive",
                "state": {
                  "Name": "minecraft:fire",
                  "Properties": {
                    "age": "4",
                    "east": "true",
                    "north": "true",
                    "south": "true",
                    "up": "true",
                    "west": "true"
                  }
                }
              }
            ]
          }
        }
      ]
    }
  }
}
