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

Action Reasoning:
Move car_2 from behind car_1 to the empty curb_1 to make car_1 clear and allow further rearrangement towards the goal state.

New State Description:
Curb_0 contains car_0, clear. Curb_1 contains car_2, clear. Curb_2 contains car_1, clear. Curb_3 contains car_3, clear. Car_0 is parked and clear. Car_1 is parked and clear. Car_2 is parked and clear. Car_3 is parked and clear.

Action Chosen:
(move-car-to-curb car_2 car_1 curb_1)
