.                         
             #.#    ####               
             .#..  ##..##              
              ...# # #..#              
            .. .#.#### #.#             
           . # #....# # # # .#.        
              # ... .#.### .#..  .#    
             #  #...#.##  ....# ..   # 
             .#..###..##   .#.# ..# .##
               #....... # ##...#.#.#.. 
                #..#. ..## #..#.#.#.#  
               #.# ##  .#.# #.#....##  
             # . .## #. #...#..##...#  
           ##..#.#   ##.#.. ##4#....#  
          ## # #.    #.##.##..#.#.#    
.      ..# # .  # #  #.. ##..##...#    
    .     #...#. .#  #####. ##.#.##    
      .  #.     #  #    # # .....#     
    .     # ..#   .#.  ...#...#.#.     
     . #    #  .## .. #.##...... ##    
      #  # ≈..#.     #.  #.###.#       
         .     . #.#  #  ##  ..        
          ..   . . ##. #    #.#        
     #   .      # . .. .               
         #≈. #                         
            .        .   .             
 #        ≈           #                
                 #  #