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

Action Reasoning:
Move Car_0 to Curb_1 to clear Curb_3 for Car_3 and start positioning cars towards their goal states.

New State Description:
- Curb_0: Car_1 remains parked and clear.- Curb_1: Car_0 is parked and clear.- Curb_2: Car_3 remains parked and clear.- Curb_3: is clear and empty.- Car_1: is parked at Curb_0 and is clear.- Car_0: has moved to Curb_1 and is clear.- Car_3: is parked at Curb_2 and is clear.- Car_2: is missing from all curbs.

Action Chosen:
(move-curb-to-curb car0 curb_3 curb_1)
