.  #  ...#   ..     
            #. # ##.##  #.##  #.
            ..   #...###...###. 
            ....#.....#. .. #.. 
            .. .. ...... ....   
            . . #.....#. ...#   
     ########..###...##  ..#    
            ###  ##.##  #.##    
       ∆  ∆ ######...###...##   
              #.#.....#.....#.  
   #    #.##.##.h.............  
 #      .≈....'.#.....#....%#.. 
###   ∆ #.##.#####...###...## ..
##               ##.## ##.##   .
  ∆              #.X.#   ..#    
            ∆   #....X#   ..#   
               . ....... .....  
               .#.X.X5 .   .#.  
            ∆   ##...##