.#                  
            ..                   
          ##.#                   
          #..##                  
      ### #...#                  
    ###.###..#                   
    #........##                  
   ##......o..###                
   #<.##....#...#                
  #...##...Z....####             
  #...##...5l......#             
 ....###...........# ##          
 ....##......o.....##.###        
###................#..#.##       
  ##.....##....oo........####### 
   ##..## ###....o.......#.....  
    #..    ##.........###......  
    ..  ∆ ##..........## .....   
          #............###..# ## 
        ..............###..# ..##
       ................#...##...#
    ...#....#...................#
   ..............#......∩.......#
   .Z....##......#.#...........##
   ......##........#..........## 
   ...............##..........#  
   ....#....#.....#......###.#.. 
   .......................#..#...
   ...o..............##......#...
   ..................##......... 
   ...##.....#.......##÷#....... 
       #.....#o......#.......... 
       #......................## 
      .......................... 
     ......##................... 
     ......##..##............... 
    .....#.....#................ 
            #...............#..  
              #...#..#......#    
              #...#.. .##..##