| Route from Parking 4 pushing back to 34 must consist of pushback segments |
| Route from Parking 5 pushing back to 33 must consist of pushback segments |
| Route from Parking 6 pushing back to 32 must consist of pushback segments |
| Route from Parking 7 pushing back to 31 must consist of pushback segments |
| Route from Parking 8 pushing back to 30 must consist of pushback segments |
| Route from Parking 9 pushing back to 29 must consist of pushback segments |
| Pushback Node 28 must be of type PushBack () |