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

Action Reasoning:
To progress towards our goal state, car2 needs to be on curb2. Therefore, we should move car2 from curb1 to double park behind car3 which is on curb3, keeping car2 clear and clearing curb1 for future steps.

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

Action Chosen:
(move-curb-to-car car_2 curb_1 car_3)
