##                     
      #.                      
  ####.                       
  #.###                       
  ###.#     .                 
 #..#   ##  :*# #    #        
 ####....## # .. .  ...       
     ...#.###. ... # .        
    #N#  . .. #. .    .# #    
   #. .# #  ... # .#..  .     
  NNN # ..##   .#.*.#         
 .  .##....# . #.#.. #        
S.S.##.*.#.##..#  ...##       
##.  #.. .# .####...#        #
     #.. ..#.   .  # .###  . #
# #. . . ...*......###.  .    
# .#.. .....≈. #.. #      #   
   #  .. ....... .# #         
   .  # #     ≈ ...  .#       
#  .. .... .  ≈  ...          
     #   #.  ###  .   .       
  #   #   .    ....#  ##      
  .    . # #     .            
  .      # ##       #         
         _#         .         
          .      . #  #       
 # .  .    . .                
             . .     #        
               .