Secret Passage
==============

+-- Level +2 -------------------------------------------+
|                                                       |
|                        %#-M    <*                     |
|                        v                              |
|                                                       |
+-------------------------------------------------------+

+-- Level +1 -------------------------------------------+
|   ^                                                   |
|   %                                         P         |
|   v                                         v         |
|                        ^                              |
|                        %--*                           |
|                           |                           |
|                           |                           |
|                       <M--*--G                        |
|                           |                           |
|                           |                           |
|                        %--*                           |
|                        v                              |
|                                                       |
+-------------------------------------------------------+

+-- Ground level ---------------------------------------+
|                                                       |
|                                 *--*@-*--*--*         |
|                                /     /       \        |
|                               /     /         \       |
|                        %--*--*     *           *      |
|                        v          /            |      |
|                                  /             |      |
|                                 *              *>     |
|                                 |              |      |
|   ^                             |           ^  |^     |
|   %                             *  G  G  G--S  %      |
|   v                             @  |  |  |            |
|                                 |  |  |  |            |
|                                 *--*--*--*--G         |
|                                 |  |  |  |            |
|                                 |  |  |  |            |
|                              *--*  G  G  G        G   |
|                              |                    |   |
|                        ^     |                    |   |
|                        %--*--*  *  *>            <*>  |
|                           |     #  |              |   |
|                           |     |  |              |   |
|                           *--*--*--*              G   |
|                                                       |
+-------------------------------------------------------+

+-- Level -1 -------------------------------------------+
|                        ^                              |
|                     *--%                              |
|                    /                                  |
|                   /                                   |
|      *--*--*--*--*                                    |
|     /                                                 |
|   ^/                                           ^      |
|   %                                            %      |
|                                                       |
+-------------------------------------------------------+