[ ]-[ ]-[ ]-[a]       
         |                             
        [ ]  
         |                                        
        [ ]         [ ]-[ ]-[ ]-[A]-[ ]               
         |           |       |       |         
        [ ]-[@]-[^] [ ] [ ]-[ ]-[ ] [ ]  
         |           |               |    
        [ ] [ ]-[ ]-[ ]-[ ]-[ ] [X] [v]           
         |           |               |     
        [ ]-[ ]-[ ]-[ ]-[ ]-[ ]-[ ] [ ]                
                     ^               |        
        [ ]-[ ]-[ ]-[ ]-[ ]-[ ]-[ ]-[ ]                     


Legend

                               
^ - One way north
^ - Up to level 6
v - Down to level 4
a - Teleport to A
A - Teleport from a
@ - Trap on all levels
X - Lights on in this room
^  - Up to level 2