{
  "type": "minecraft:block_column",
  "config": {
    "direction": "down",
    "allowed_placement": {
      "type": "minecraft:matching_blocks",
      "blocks": "minecraft:air"
    },
    "prioritize_tip": true,
    "layers": [
      {
        "height": {
          "type": "minecraft:weighted_list",
          "distribution": [
            {
              "weight": 2,
              "data": {
                "type": "minecraft:uniform",
                  "min_inclusive": 2,
                  "max_inclusive": 5
              }
            },
            {
              "weight": 10,
              "data": {
                "type": "minecraft:uniform",
                  "min_inclusive": 0,
                  "max_inclusive": 2
              }
            }
          ]
        },
        "provider": {
          "type": "minecraft:weighted_state_provider",
          "entries": [
            {
              "weight": 4,
              "data": {
                "Name": "minecraft:packed_ice"
              }
            },
            {
              "weight": 1,
              "data": {
                "Name": "minecraft:blue_ice"
              }
            }
          ]
        }
      },
      {
        "height": {
          "type": "minecraft:weighted_list",
          "distribution": [
            {
              "weight": 1,
              "data": {
                "type": "minecraft:uniform",
                  "min_inclusive": 2,
                  "max_inclusive": 6
              }
            },
            {
              "weight": 10,
              "data": {
                "type": "minecraft:uniform",
                  "min_inclusive": 8,
                  "max_inclusive": 12
              }
            }
          ]
        },
        "provider": {
          "type": "minecraft:simple_state_provider",
          "state": {
            "Name": "minecraft:air"
           }
        }
      }
    ]
  }
}
