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

Action Reasoning:
To unblock car4, move car5 from behind car4 to double park behind car0 on curb0, which allows configuration and minimizes movement before fine-tuning the remaining state.

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

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