public RoutesController(
     IRoutesReader routesReader,
     IRoutesWriter routesWriter)
 {
     _routesReader = routesReader;
     _routesWriter = routesWriter;
 }
 private TrainsProblemApplication()
 {
     routesReader      = new RoutesConsoleReader();
     testCasesExecuter = new TestCasesExecuter();
 }