.             
     ###.##           
 ∆    .....           
      ..#.  ..##      
      #..#  ...#      
  #   #..#  #..#      
###..##..#  #..#      
........l#  #..#      
####.###K#  #..#      
       #K#  #.[####   
       #K####.....#   
    ####..........#   
  ≈≈≈≈≈≈≈≈≈.≈≈≈≈≈≈≈≈≈≈
  ######♣##(##♣######≈
      #≈  #(#  ≈#     
      ##8##.##8##     
      +...lK....+     
      ###8#K#8###     
       #♣##'##♣#      
   #+# ♣≈.....≈♣      
   #.##♣.......♣#     
 ###.8#.........#     
 #≈#.##...≈♣≈...#     
  ♣8.''...♣8♣...+     
 #≈#.##...≈♣≈...#     
   #.8#.........#     
   #.##♣.......♣#     
  ##'##♣≈.....≈♣      
  #8.8##♣##+##♣#      
  #...###8#+#8        
  #...'.......        
  #...##8##.##        
  #<.8#  ≈#           
  #####   #           
                      
       ∆