Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Moving car_0 from behind car_3 to curb_0 frees car_3, meeting goal requirements without repeating previous actions.

New State Description:
Curb_0: Car_0 is parked and clear.  Curb_1: Car_1 is parked and clear.  Curb_2: Car_2 is parked and clear.  Curb_3: Car_3 is parked and clear.  Car_3: Parked at Curb_3 and clear.  Car_2: Parked at Curb_2 and clear.  Car_1: Parked at Curb_1 and clear.  Car_0: Parked at Curb_0 and clear.

Action Chosen:
(move-car-to-curb car_0 car_3 curb_0)
