Well spotted. It should "only" have 27 sectors.

There is duplication in the source data. I will update when the source is online again.

Here is the lighthouse: https://norgeskart.no/#!?project=norgeskart&layers=1008&zoom=12&lat=6955378.82&lon=27818.81&markerLat=6955378.824451565&markerLon=27818.80852661305&p=searchOptionsPanel&sok=Flørauden