Attempt Number: 6
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
By moving car3 from behind car2 to the empty curb_3, we begin to assemble the goal state, getting car3 to its target position.

New State Description:
- Curb_0: Empty and clear.- Curb_1: Car_1 is parked on it with car0 double parked behind. Car_1 is not clear, car0 is clear.- Curb_2: Car_2 is parked on it and it is clear.- Curb_3: Car_3 is now parked on it and clear.

Action Chosen:
(move-car-to-curb car3 car2 curb_3)
