Crumbling Ruin
==============

+-- Ground level ---+
|                   |
|         *--*      |
|         |         |
|         |         |
|   *--*--*     *   |
|   |     |     |   |
|   |     |     |   |
|   *--*  *--*--*   |
|         |         |
|         |         |
|      *--*--*--*   |
|      |  |     |   |
|      |  |     |   |
|   %?-*  *     *   |
|   v     |         |
|         @         |
|         C         |
|         |         |
|         |         |
|         *         |
|          \        |
|           \       |
|            *      |
|            |      |
|            |      |
|            %      |
|            v      |
|                   |
+-------------------+