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

Action Reasoning:
Car_3, which is currently double parked behind car_0, can be moved to the empty curb_2. This will clear car_0, allowing it to match the goal state, and curb_2 will be occupied by car_3.

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. All cars are parked and clear.

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