The diagram shows how three component trays, P, Q, and R, are arranged at a robotic assembly line.
The command TRANSFER_TRAY(source, destination) moves the single topmost tray from the source station and places it on top of the stack at the destination station.
Determine the final arrangement of the trays at Station 1, Station 2, and Station 3 after the following algorithm has run:
TRANSFER_TRAY(1, 3)TRANSFER_TRAY(1, 2)TRANSFER_TRAY(3, 2)TRANSFER_TRAY(1, 3)TRANSFER_TRAY(2, 1)