..#      
           ..#      
           #.#      
          ##.##     
          #...#     
           o..#     
      ######oo#     
      #...##'##     
  ∆   #......o#     
 ...  #.......# ∆   
 .....#.......#     
 .....##'####.#     
    #.......#.#     
    #.......#..     
    #.......#...    
    #.......########
    #..............#
    #<.............#
    #..............#
    #..............#
   ##..............#
 ..................#
 ..................#
...................#
...................#
...................#
 ..........).......#
  .................#
 ##+########....... 
 +.........#        
 #...[<....#        
 #+###.....#        
     #.....#        
     .......#       
     .......#       
    ........#       
    ........#       
   .##......#