Dark Cavern (2)
===============

+-- Level +1 ---------------------------------------------+
|                                                         |
|         %                                               |
|         |v                                              |
|         |                                               |
|         %                                               |
|         v                                               |
|                                                         |
+---------------------------------------------------------+

+-- Ground level -----------------------------------------+
|                                                         |
|               *--*--*--*--*                             |
|              /             \                            |
|             /               \                           |
|            *                 *                          |
|            |                  \                         |
|            |                   \                        |
|            *--*--*              *                       |
|                   \             |                       |
|         ^          \^           |                       |
|         %--*        %           *                       |
|            |        |           |                       |
|         ^  |        |           |                       |
|   *--*--%  *        *           *                       |
|   |        |       / \          |                       |
|   |        |      /   \         |                       |
|   *        *--*--*     *        *                       |
|   |                     \                               |
|   |                      \                              |
|   *                       *           *--*--*--*        |
|   |                        \          |        |        |
|   |                         \         |        |        |
|   *--*--*--*                 *        *        *        |
|            |                  \      /         |        |
|            |                   \    /          |        |
|            *                    *--*           *        |
|             \                                  |        |
|              \                                 |        |
|               *                                *        |
|                \                              /         |
|                 \                            /          |
|                  *                          *           |
|                   \                        /            |
|                    \                      /             |
|                     *                    *              |
|                     |                    |              |
|                     |                    |              |
|                     *                    *              |
|                      +                   |              |
|                       \                  |              |
|                        M                 *              |
|                                           \             |
|                                            \            |
|                                             *        M  |
|                                              \      /   |
|                                               \    /    |
|                                                *--*     |
|                                                         |
+---------------------------------------------------------+