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

Action Reasoning:
To arrange cars according to the goal state and unblock car0, I will move car5 behind car4, allowing car0 to be clear for further moves.

New State Description:
Curb_0: Contains car0 parked and clear.  Curb_1: Contains car2, parked and clear.  Curb_2: Contains car1, parked and clear.  Curb_3: Contains car3, parked and clear.  Curb_4: Contains car4 parked with car5 double parked behind it, car5 is clear.  Car0: Parked and clear in curb0.  Car1: Parked and clear in curb2.  Car2: Parked and clear in curb1.  Car3: Parked and clear in curb3.  Car4: Parked and blocked in curb4 with car5 behind it.  Car5: Double parked and clear behind car4 in curb4.

Action Chosen:
(move-car-to-car car5 car0 car4)
