This looks very similar to this http://divisbyzero.com/2010/03/14/an-application-of-graph-theory-to-architecture/ http://divisbyzero.com/2010/03/14/an-applicat

This looks very similar to this http://divisbyzero.com/2010/03/14/an-application-of-graph-theory-to-architecture/ http://divisbyzero.com/2010/03/14/an-application-of-graph-th...