.#. ..    ... .        
          ..    .....     . ..        
           .     ...     ...#         
            ..    ...   ...           
           ##.#  ##.    #.##          
          ##...###...# #...###     #  
          #.   ..##..# ..##..###  .   
            #. .. .. ..........##..#  
             ..  ............X.∩#.#.# 
          # ###..##. ##..##..##x...#  
. #     .# ..# . ##..##..##..##.###.# 
          . ..   ...... . .......#    
        .# ## ... . ............##    
      .  . .X.# .#  .##..##..###..#   
       .. . .#.. ##..##..##..#  #...# 
      .# ...## . .. .... ....    .#..#
      # # .# .#....  .. .....     . .#
     .   . #  #..##..  ..##..#    .. #
 .     #   ## ...# ..  .. #..      #. 
     #      .... .                    
     #   #.  ..  .                    
    .. #. . # .#.#                    
     .                                
      #                               
   . . .                              
..                                    
.                                     
  ..