{
  "structures": [
    {
      "structure": "manic:sepulcher",
      "weight": 1
    }
  ],
  "placement": {
    "type": "minecraft:random_spread",
    "salt": 1346000881,
    "exclusion_zone": {
      "other_set": "minecraft:ancient_cities",
      "chunk_count": 12
    },
    "spread_type": "triangular",
    "spacing": 30,
    "separation": 18
  }
}
