Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
With curb_1 empty and car_1 already at its goal position, we should move car_0 from behind car_2 in curb_0 to the empty curb_1. This will free car_2, allowing it to be moved to curb_2 next.

New State Description:
Curb_0: car_2 is parked and clear. Curb_1: car_0 is parked and clear. Curb_2: car_1 is parked and clear. Curb_3: car_3 is parked and clear.

Action Chosen:
(move-car-to-curb car_0 car_2 curb_1)
