Attempt Number: 5
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Car5 needs to double park behind car0 in curb0 to achieve the goal state; using a temporary move ensures systematic placement.

New State Description:
Curb_0: Contains car0, parked and not clear, with car5 double parked and clear behind it.  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 and clear (as car5 has moved).  Car0: Parked and not clear in curb0.  Car1: Parked and clear in curb2.  Car2: Parked and clear in curb1.  Car3: Parked and clear in curb3.  Car4: Parked and clear in curb4.  Car5: Double parked behind car0 in curb0, clear.

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