{
  "type": "minecraft:jigsaw",
  "biomes": "#zhopo:has_structure/acacia_mineshaft",
  "step": "underground_structures",
  "spawn_overrides": {},
  "terrain_adaptation": "none",
  "start_pool": "hopo:acacia_mineshaft",
  "size": 3,
  "start_height": {
    "type": "minecraft:uniform",
    "min_inclusive": {
      "absolute": 20
    },
    "max_inclusive": {
      "absolute": 128
    }
  },
  "max_distance_from_center": 118,
  "use_expansion_hack": false
}
