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

Action Reasoning:
To achieve the goal state, car_2 should be moved from curb_1 to curb_2. This involves moving car_3 from curb_2 to double park behind car_1 at curb_3, freeing curb_2 for car_2 to move into position.

New State Description:
Curb_0 contains car_0, clear. Curb_1 contains car_2, clear. Curb_2 is empty, clear. Curb_3 contains car_1, not clear (car_3 is double parked behind it). Car_0 is parked and clear. Car_1 is parked and not clear. Car_2 is parked and clear. Car_3 is double parked and clear.

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