{
    "type": "minecraft:jigsaw",
    "biomes": [
        "minecraft:birch_forest",
        "minecraft:old_growth_birch_forest"
    ],
    "step": "surface_structures",
    "spawn_overrides": {},
    "terrain_adaptation": "beard_box",
    "start_pool": "luistercorp:amethyst_house",
    "size": 1,
    "start_height": {
      "absolute": 0
    },
    "project_start_to_heightmap": "WORLD_SURFACE_WG",
    "max_distance_from_center": 20,
    "use_expansion_hack": false,
    "liquid_settings": "ignore_waterlogging"
  }