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

Action Reasoning:
Car_3 is clear and double parked behind car_1 (which is not clear). Moving car_3 to curb_2 will free car_1, making it clear, and positioning car_3 correctly according to the goal.

New State Description:
Curb_0 has car_0 parked, clear. Curb_1 has car_2 parked, clear. Curb_2 has car_3 parked, clear. Curb_3 has car_1 parked, clear.

Action Chosen:
(move-car-to-curb car_3 car_1 curb_2)
