Blank Room
==========

+-- Ground level ---+
|                   |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|   |               |
|   |               |
|   *               |
|                   |
+-------------------+