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

Action Reasoning:
To bring car_1 to its destination in curb_1, first move car_2 from behind car_1 to the empty curb_0, creating the required space.

New State Description:
Curb_0: car_2 is parked and clear. Curb_1: car_0 is parked and clear. Curb_2: car_1 is parked and clear. Curb_3: car_3 is parked and clear.

Action Chosen:
(move-car-to-curb car_2 car_1 curb_0)
