Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
We need to clear curb_2 by moving car_2 to the empty curb_1. This will make car_3 clear, allowing it to move to curb_3, which matches the goal state.

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

Action Chosen:
(move-car-to-curb car_2 car_3 curb_1)
