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

Action Reasoning:
Our goal is to make sure curb_4 ends with car_4 only, so let's first move car_5 away from behind car_4. Car_5 is currently parked behind car_4 in curb_4 and is clear. Thus, we can move car_5 behind car_0 in curb_0.

New State Description:
Curb_0: Contains car0, parked and blocked, with car5 double parked behind it 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 and clear.  Car0: Parked and blocked in curb0, car5 behind it.  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 and clear in curb0.

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