The goal state involves arranging the cars as follows: Car 6 is parked at curb 6, car 5 is parked at curb 5, car 4 is parked at curb 4, car 3 is parked at curb 3, car 2 is parked at curb 2 with car 9 double parked behind it, car 1 is parked at curb 1 with car 8 double parked behind it, and car 0 is parked at curb 0 with car 7 double parked behind it.