[
    "central",
    "meeting",
    "room_1_1",
    "room_1_2",
    "room_1_3",
    "dormitory_1",
    "factory",
    "room_2_1",
    "room_2_2",
    "room_2_3",
    "dormitory_2",
    "contact",
    "room_3_1",
    "room_3_2",
    "room_3_3",
    "dormitory_3",
    "train",
    "dormitory_4"
]