[
  {
    "type": "mapgen",
    "method": "json",
    "om_terrain": [
      [ "evac_center_1_z1", "evac_center_2_z1", "evac_center_3_z1", "evac_center_4_z1", "evac_center_5_z1" ],
      [ "evac_center_6_z1", "evac_center_7_z1", "evac_center_8_z1", "evac_center_9_z1", "evac_center_10_z1" ],
      [ "evac_center_11_z1", "evac_center_12_z1", "evac_center_13_z1", "evac_center_14_z1", "evac_center_15_z1" ],
      [ "evac_center_16_z1", "evac_center_17_z1", "evac_center_18_z1", "evac_center_19_z1", "evac_center_20_z1" ],
      [ "evac_center_21_z1", "evac_center_22_z1", "evac_center_23_z1", "evac_center_24_z1", "evac_center_25_z1" ]
    ],
    "weight": 100,
    "object": { "fill_ter": "t_open_air" }
  }
]
