[
  {
    "type": "mapgen",
    "nested_mapgen_id": "nested_beehive_natural",
    "object": {
      "mapgensize": [ 1, 1 ],
      "place_terrain": [ { "ter": "t_beehive_natural", "x": 0, "y": 0 } ],
      "flags": [ "ERASE_ALL_BEFORE_PLACING_TERRAIN" ]
    }
  },
  {
    "type": "mapgen",
    "update_mapgen_id": "mx_beehive_natural",
    "object": { "place_nested": [ { "chunks": [ [ "nested_beehive_natural", 100 ] ], "x": [ 0, 23 ], "y": [ 0, 23 ] } ] }
  }
]
