gistfile1.cs

         config.Routes.Add("default", new TreeRoute("",new TreeRoute("home").To<HomeController>(), 
                                                          new TreeRoute("contact",
                                                                    new TreeRoute("{id}",
                                                                        new TreeRoute("address", 
                                                                             new TreeRoute("{addressid}").To<ContactAddressController>())
                                                                    ).To<ContactController>())
                                                          )
                              );