{
  "structures": [
    {
      "structure": "additionalstructures:underground_dungeon_1",
      "weight": 1
    },
    {
      "structure": "additionalstructures:underground_dungeon_2",
      "weight": 1
    },
    {
      "structure": "additionalstructures:nether_dungeon_1",
      "weight": 1
    },
    {
      "structure": "additionalstructures:nether_dungeon_2",
      "weight": 1
    },
    {
      "structure": "additionalstructures:nether_dungeon_3",
      "weight": 1
    },
    {
      "structure": "additionalstructures:end_dungeon_1",
      "weight": 1
    }
  ],
  "placement": {
    "type": "minecraft:random_spread",
    "spacing": 50,
    "separation": 35,
    "salt": 9891211
  }
}
