Attempt Number: 4
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, move car_3 from behind car_2 (which is blocking) to the empty curb_2, allowing car_2 to become clear.

New State Description:
Curb_0 contains car_0, clear. Curb_1 contains car_2, clear. Curb_2 contains car_3, clear. Curb_3 contains car_1, clear. Car_0 is parked and clear. Car_1 is parked and clear. Car_2 is parked and clear. Car_3 is parked and clear in curb_2.

Action Chosen:
(move-car-to-curb car_3 car_2 curb_2)
