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

Action Reasoning:
Move `car_1` from behind `car_2` on `curb_1` to the empty `curb_3`. This clears `car_2` and allows it to be moved to the correct `curb_2`.

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 on curb_3 and clear. Car_2 is parked, clear. Car_3 is parked and clear.

Action Chosen:
(move-car-to-curb car_1 car_2 curb_3)
