Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
To reach the goal state, we need car3 to be on curb_3. Since curb_3 is currently occupied by car0, the immediate step is to move car3 from behind car1 to the empty curb_0.

New State Description:
- Curb_0 now contains car3, which is clear.- Curb_1 contains car1, which is now clear.- Curb_2 contains car2, which remains clear.- Curb_3 contains car0, which is clear.- Car1 is clear, parked at curb_1.- Car3 is clear, parked at curb_0.- Car2 is clear, parked at curb_2.- Car0 is clear, parked at curb_3.

Action Chosen:
(move-car-to-curb car3 car1 curb_0)
