Dark Cave (3)
=============

+-- Ground level ------+
|                      |
|   M--*     *         |
|       \   / \        |
|        \ /   \       |
|         *     *      |
|        /     /       |
|       /     /        |
|      *     *         |
|      |     |         |
|      |     |         |
|      *     *         |
|      v      \        |
|              \       |
|               *&-*>  |
|                      |
+----------------------+

+-- Level -1 ----------+
|   ^                  |
|   %>                 |
|                      |
+----------------------+