Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Moving Car_3 to Curb_0 will make Curb_2 clear, allowing us to bring Car_2 clear as planned.

New State Description:
- Curb_0: Car_3 is parked on it and is clear.- Curb_1: Car_1 is parked on it and is clear.- Curb_2: Car_2 is parked on it and is now clear, as Car_3 moved.- Curb_3: Car_0 is parked on it and is clear.- Car_1 is inside Curb_1, parked, and is clear.- Car_3 is now inside Curb_0, parked, and is clear.- Car_2 is the only car that is clear inside Curb_2.- Car_0 is inside Curb_3, parked, and is clear.

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