> largely be traced to the topological properties of the subway lines See 'A Subway Named Mobius' [1][2] for some of the problems this might cause in the futur

> largely be traced to the topological properties of the subway lines See 'A Subway Named Mobius' [1][2] for some of the problems this might cause in the future! [1] http://www.iblist.com/book12352.htm http://www.iblist.com/book12352.htm [2] http://www.rioranchomathcamp.com/Topology/SubwayNamedMobius.pdf http://www.rioranchomathcamp.com/Topology/SubwayNamedMobius....