[
  {
    "type": "mapgen",
    "method": "json",
    "om_terrain": [ "microlab_ratkin" ],
    "object": {
      "fill_ter": "t_strconc_floor",
      "place_nested": [
        { "chunks": [ "microlab_generic_tile" ], "x": 0, "y": 0 },
        { "else_chunks": [ "concrete_corner" ], "x": 0, "y": 0, "neighbors": { "north_west": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 23, "y": 0, "neighbors": { "north_east": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 23, "y": 23, "neighbors": { "south_east": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 0, "y": 23, "neighbors": { "south_west": "microlab" } }
      ]
    }
  },
  {
    "type": "mapgen",
    "method": "json",
    "om_terrain": [ "microlab_ratkin_edge" ],
    "object": {
      "fill_ter": "t_strconc_floor",
      "place_nested": [
        { "chunks": [ "microlab_generic_edge_tile" ], "x": 0, "y": 0 },
        { "else_chunks": [ "concrete_wall_ew" ], "x": 0, "y": 0, "neighbors": { "north": "microlab" } },
        { "else_chunks": [ "concrete_wall_ns" ], "x": 23, "y": 0, "neighbors": { "east": "microlab" } },
        { "else_chunks": [ "concrete_wall_ew" ], "x": 0, "y": 23, "neighbors": { "south": "microlab" } },
        { "else_chunks": [ "concrete_wall_ns" ], "x": 0, "y": 0, "neighbors": { "west": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 0, "y": 0, "neighbors": { "north_west": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 23, "y": 0, "neighbors": { "north_east": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 23, "y": 23, "neighbors": { "south_east": "microlab" } },
        { "else_chunks": [ "concrete_corner" ], "x": 0, "y": 23, "neighbors": { "south_west": "microlab" } }
      ]
    }
  }
]
