Current State ID: 4
Current State Description: - Curb_0 is now clear and empty.- Curb_1 contains car_2, which is clear.- Curb_2 has car_0 parked with car_3 double parked behind it; car_3 is clear, but car_0 is not clear.- Curb_3 contains car_1, which is clear.

Child State ID: 7
Action Taken: (move-car-to-curb car3 car0 curb_0)
State Description: - Curb_0 now contains car_3, which is clear.- Curb_1 contains car_2, which is clear.- Curb_2 contains car_0, which is now clear.- Curb_3 contains car_1, which is clear.

