+
       |
       +
      /
+--x-+
     o
     +----+
     |    |
     +----+
     |    |
     +----+    +    +----+
     o         |    |
     +----+----+----+
               |
               +
               |
               +
               |
          +----+----+
          |
          |    +----+              +
          |    |                   |
          |    +----+----+----+----+
          |                        |
          |      1 Second Floor    |
          |     /                  |
          +----+----+--------------+