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

Action Reasoning:
We need Curb_0 to be occupied according to the goal state. Moving car3 out of Curb_2 to Curb_0 will free up Curb_2, approaching the goal.

New State Description:
- Curb_0: Car_3 is parked on it and is clear.- Curb_1: Car_1 is parked on it and is clear.- Curb_2: Car_2 is parked on it and is clear.- Curb_3: Car_0 is parked on it and is clear.

Action Chosen:
(move-car-to-curb car3 car2 curb_0)
