Attempt Number: 5
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Moving car3 from behind car2 to free up curb_2, preparing car2 to be moved when the opportunity arises.

New State Description:
- Curb_0: Car_3 is parked on it and clear.- Curb_1: Car_1 is parked on it and clear.- Curb_2: Car_2 is parked on it and is now clear.- Curb_3: Car_0 is parked on it and clear.

Action Chosen:
(move-car-to-curb car3 car2 curb_0)
