..         #. 
         ..      # ..  
         ..  ###..#. # 
         #.###...#X.w# 
     . ####..##.....   
##   .##..#. ...#.##   
.### # #....#..#...#   
  .## .#. #..##..#.#   
. .... .## ##..#.# .#  
  ##.#.##..#..###.# .  
  .∩.. ##...##.# ##  ..
 #..#..#..##.x##      .
  #.....#.###..#       
   .#....#. ..##       
  ##.##....##4         
  #.. ..  #...         
 .. ....## .#.#        
 ###...#.  ###         
   .... .              
     ##  #             
        .