Ancient Stronghold (2)
======================

+-- Ground level -----------+
|                           |
|   *>                      |
|                           |
|                           |
|         *           *     |
|         |           |     |
|         |           |     |
|      *--*--*--*--*--*--*  |
|         |     |     |     |
|         |     |     |     |
|         *  *--*--*  *     |
|         |  |     |  |     |
|         |  |     |  |     |
|        <*  *--%--*  *     |
|         |  |  v  |  |     |
|         |  |     |  |     |
|         *  *--*--*  *     |
|         |     |     |     |
|         |     |     |     |
|      *--*--*--*--*--*--*  |
|         |           |     |
|         |           |     |
|         *           *     |
|                           |
+---------------------------+