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

Action Reasoning:
Car3 needs to move out from double parking behind car2 onto an empty curb to let car2 become clear. Curb_0 is clear, making move-car-to-curb the best action.

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)
