{
  "feature": {
    "type": "minecraft:simple_block",
    "config": {
      "to_place": {
        "type": "minecraft:noise_provider",
        "seed": 292202,
        "noise": {
          "firstOctave": -6,
          "amplitudes": [
            1,
            0.85,
            0.5,
            0.75,
            1.2,
            1.4
          ]
        },
        "scale": 1,
        "states": [
          {
            "Name": "minecraft:cobblestone"
          },
          {
            "Name": "minecraft:cobblestone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
                    {
            "Name": "minecraft:stone"
          },
                              {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:cobblestone"
          },
          {
            "Name": "minecraft:tuff"
          },
                    {
            "Name": "minecraft:tuff"
          },
          {
            "Name": "minecraft:cobblestone"
          },
                              {
            "Name": "minecraft:stone"
          },
                    {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:stone"
          },
          {
            "Name": "minecraft:cobblestone"
          },
          {
            "Name": "minecraft:cobblestone"
          }
        ]
      }
    }
  },
  "placement": [
    {
      "type": "minecraft:count",
      "count": 12
    },
    {
      "type": "minecraft:count",
      "count": 256
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:noise_based_count",
      "noise_to_count_ratio": 1,
      "noise_factor": 900,
      "noise_offset": 0.0
    },
    {
      "type": "minecraft:random_offset",
      "xz_spread": {
        "type": "minecraft:uniform",
        "value": {
          "min_inclusive": -5,
          "max_inclusive": 5
        }
      },
      "y_spread": 0
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "WORLD_SURFACE"
    },
    {
      "type": "minecraft:environment_scan",
      "direction_of_search": "down",
      "max_steps": 7,
      "target_condition": {
        "type": "minecraft:matching_blocks",
        "blocks": [
          "minecraft:stone"
        ]
      }
    },
    {
      "type": "minecraft:biome"
    }
  ]
}
