create a 2d architectural space planning drawing for a plastic surgery exhibition with 20 stands base it on the provided floor plan geometry orange areas represent indoor exhibition space blue area is a glazed patio green area is the convention hall and pink area is the staircase access from the upper floor place 20 modular exhibition stands across orange and blue zones ensuring strong circulation links with the green convention space design clear visitor flow starting from the staircase distributing traffic evenly avoiding dead ends and congestion integrate small coffee break zones and lounge points near groups of stands to increase dwell time output as top down orthographic plan technical cad style clear zoning colors stand modules circulation arrows labels and spatial hierarchy
