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

Action Reasoning:
Car_3 needs to move to Curb_3, so the next step is to free up Car_3 by moving it to the empty Curb_0.

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.- Curb_3: Car_0 is parked on it and is clear.- Car_1: Parked on Curb_1, clear.- Car_2: Parked on Curb_2, clear.- Car_3: Parked on Curb_0, clear.- Car_0: Parked on Curb_3, clear.

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