Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
To progress towards the goal, we need to disentangle car_3 from car_1 by using the now-clear curb_2 as a temporary spot for car_3.

New State Description:
Curb_0 has car_0 parked, clear. Curb_1 has car_2 parked, clear. Curb_2 now has car_3 parked, clear. Curb_3 only has car_1 parked now and it is clear. All curbs have one car each and all parked cars are clear.

Action Chosen:
(move-car-to-curb car_3 car_1 curb_2)
