" Not far off his line of fission was the star Cygnus T342, and its planet Euville where an unpleasant and psychotic population lived in five cities: Oni, Me, Che, Dun and Ve, each compulsively built in pentagonal patterns, from the central five-sided citadel. The space-port, on a remote island, was opprobriously named “Orifice”. "

― Jack Vance , The Demon Princes