{
  "type": "minecraft:block_column",
  "allowed_placement": {
    "type": "minecraft:matching_block_tag",
    "tag": "minecraft:air"
  },
  "direction": "down",
  "layers": [
    {
      "height": {
        "type": "minecraft:weighted_list",
        "distribution": [
          {
            "data": {
              "type": "minecraft:uniform",
              "max_inclusive": 3,
              "min_inclusive": 0
            },
            "weight": 5
          },
          {
            "data": {
              "type": "minecraft:uniform",
              "max_inclusive": 7,
              "min_inclusive": 1
            },
            "weight": 1
          }
        ]
      },
      "provider": "minecraft:cave_vines_body"
    },
    {
      "height": 1,
      "provider": "minecraft:cave_vines_head"
    }
  ],
  "prioritize_tip": true
}