# ..  #.#            
. .  §§ ..             
 ..  .z .. #           
  ... . .#.            
   #.#. ..          #..
  #.#.#z.#.#        ...
   #.. .##..#   ## ..# 
      #.##...## .#..#  
     ## .# ...# .#.##.#
   #.#.###  ..##.....# 
. #..#.#.#  #.#....#   
 .# #...###.#.#.##..#  
 ...#.#.##..#.z...#    
  ##..##...##.#...#    
 #........#.#.#.##.... 
 #.##. .##.#.##.# .#.# 
#.  ..#.###.#.###  # # 
.. #.# # ..## ..       
   .# .....  .#.#      
 ..# #....   ..#..     
 .#  ##...   ..  #.    
     #.#.    ... . #   
     .#..    ...  .