https://help.autodesk.com/view/OARX/2023/ENU/?guid=OARX-ManagedRefGuide-Autodesk_AutoCAD_EditorInput...
It states that the last polyline in the set is the outermost one, whereas in reality it is the first polyline in the set that is outermost. Sorry to post it in the forums, I couldn't find where to bug-report.
