+-------------------------------------------------------------+
  |                                                             |
  |                                                             |
  |    +----------------------------------------+               |
  |    |                                        v               v
  |  +--------------+     +-------------+     +---------+     +-----------+
  +- | Default Page | --> | Test Search | --> | Sign Up | --> | Main Page |
     +--------------+     +-------------+     +---------+     +-----------+
       |                                                        ^
       +--------------------------------------------------------+