Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
We need to move car_0 from behind car_3 to an empty curb to free car_3. Moving car_0 to curb_2 will leave it clear for further actions.

New State Description:
Curb_0 now has car_3 parked, and it is clear since car_0 has moved. Curb_1 has car_2 parked, clear. Curb_2 has car_0 parked, clear. Curb_3 has car_1 parked, clear.

Action Chosen:
(move-car-to-curb car_0 car_3 curb_2)
