{
  "config": {
    "features": [
      {
        "feature": {
          "config": {
            "default": {
              "feature": {
                "config": {
                  "to_place": {
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                      {
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                        },
                        "weight": 2
                      },
                      {
                        "data": {
                          "Name": "minecraft:cobblestone"
                        },
                        "weight": 1
                      }
                    ],
                    "type": "minecraft:weighted_state_provider"
                  }
                },
                "type": "minecraft:simple_block"
              },
              "placement": [
                {
                  "predicate": {
                    "blocks": [
                      "minecraft:andesite",
                      "minecraft:stone",
                      "minecraft:cobblestone"
                    ],
                    "type": "minecraft:matching_blocks"
                  },
                  "type": "minecraft:block_predicate_filter"
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                  "type": "minecraft:count"
                },
                {
                  "xz_spread": {
                    "type": "minecraft:uniform",
                    "min_inclusive": -3,
                    "max_inclusive": 3
                  },
                  "y_spread": {
                    "type": "minecraft:uniform",
                    "min_inclusive": -1,
                    "max_inclusive": 2
                  },
                  "type": "minecraft:random_offset"
                },
                {
                  "predicate": {
                    "blocks": "minecraft:andesite",
                    "type": "minecraft:matching_blocks"
                  },
                  "type": "minecraft:block_predicate_filter"
                }
              ]
            },
            "features": [
              {
                "chance": 0.6,
                "feature": {
                  "feature": {
                    "config": {
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                      }
                    },
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                      "type": "minecraft:count"
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}