Create Rooms by Point list Revit Linked Room

Hello, I am trying to create Rooms from a Revit link, using a list of points extracted from the same link, but it happens to me the following, it creates me many rooms for the same romm of the link model. any ideas

Crear by Linked RVT.dyn (10.4 KB)
Project3.rvt (1.4 MB)

Revit 2017
Dynamo 1.3.0.875