| Route from Parking 33 pushing back to 420 must consist of pushback segments |
| Parkings A(2) & A(1) intersect |
| Parkings A(3) & A(2) intersect |
| Parkings C(42) & C(41) intersect |
| Parkings B(45) & B(44) intersect |
| Parkings B(46) & B(45) intersect |
| Parkings B(47) & B(46) intersect |
| There are unconnected nodes [134] |