..         .         
      . .    . ... .#.    
  ..    .     . . .. .    
  ...# #..   . .....      
  ....# .   ##.#...#   .. 
  . ..  . ###..##.##  #.# 
  ....  ...#...#...###... 
   .................#.... 
    ..#..  #...........   
  ... ## .# #.......#.    
  ....#.. # ##.#...#   .. 
 . .......###..##3##  #.# 
...... ....#...#...###. . 
 ...................#.. . 
#. ...#....#............. 
 #∩ .###..###.......#.... 
  ....#..## ##.#...###... 
. ........###..##.##  #.# 
...........#...#...##  .. 
 ... ...............#     
#.....#....#............  
# ...### .###.......#.... 
#.....#..#  ##.#...###... 
 . ....._.   ..##.##  #.##
.   ..... . ...# ..#   ..#
... ... .  ..... . .     .
  . ..#..  #.... ....     
  .. # #..###             
    .     #  #.           
   .   .       #          
       .