.
      ...            ..
      ....          ..$
      .....     ## ....
       #...     .#..)..
       #...# ###/......
      ##..%.##...#     
      #.. #....###     
  .# ##.. ##..##       
  ...#...###..#        
   #..........##       
   #..#....##..#       
  ...###...###)#       
   ∆#...)...##.#       
    #.......##........ 
  ..........########## 
  ##..##.....#         
   ##. #.....###    ## 
    #  #.......#  #... 
       #######.##...#  
           ###....#    
           #......#    
           #.####.#    
           #.#   ...   
        ####.#    ###  
        #....#         
      ###>####         
   ####...#            
   #......#            
   #......########    #
   #..............  #..
   #......#######. ... 
   #......######  ..###
   #...........##.....#
   ######...(..<.......
       #....)..........
    ...................
∆   ####...........<...
       #...............
       #............<..
      .................
     ####..............
        ##.....##...