L401: Staircase L402: Corridor L403: Elevator Engine L404: Aircondition Q320: Staircase Q326: Staircase Q402: Corridor Q403: Air Conditioning and Cooling Engine Room R401: Staircase R402: Air Conditioning R404: Storage Room R405: Corridor R406: Entry R406.1: Room R406.2: Bathroom R407: Staircase R408: Entry R408.1: Room R408.2: Room R408.3: Bathroom R409: Entry R409.1: Room R409.2: Room R409.3: Bathroom R410: Entry R410.1: Room R410.2: Bathroom