Puzzle can have upto 6 levels above ground level and 2 levels in pit. Horizontally it can have upto 10 grids. One grid (except for the topmost level) is to be kept empty for puzzle operation. To drive out or park any car on platform at upper level, the Parking system puzzles itself and brings down the respective platform. Entry level platforms are driven only horizontally, Upper level platforms are driven horizontally as well as vertically while Upper most platforms are driven only vertically using traction and ropes.