Puzzle Parking System Puzzle Parking System is independent parking and it’s features is quick installation, easy operation and maintenance. Entrance level pallets move sideways and upper level pallets move vertically, with always one pallet less at the entrance and middle levels. To collect a car parked on the upper level, the pallets at the entrance level will first move to one side to provide an empty space into which the required Pallet is lowered or raised. Max time to retrieve cars is 60 second with 3 & 2 high systems and 90 second with 5 & 4 High systems.