##      .. #    
  ##  #  .    .#.     
  #...#.#.  .... # #  
  ....#...###..#.#.   
   #.....#..... ..#   
   #..#.....#......   
  ###.2.#.#..... ..   
  #.#...#t....#       
 # #.#...## ..#      .
 #.##...#.#.. #     ..
 #...#...# ..##  # .. 
....#...##.X.## ..#   
##  ##.....##.X  #    
     #...........#    
    ##....#.#. . . .  
     ......##...# . . 
   ..#...≈....#. ...  
     #...≈#...#..# . .
   . ....≈....   .#. .
   .##.#...... ..   . 
    #    . . #    .   
    #.##.#### #  #    
    #   #     .#