.
             #   . . .      .
           ...§   ..#    # #.
           ##..#   # ## .#   
           . ..    . . .# #. 
             ...####...# #  #
            .###....#.##...  
      ## ### #..#h   .#. .#. 
      #.##...#....#. ..##    
     ## .#. ###. ....## ..# .
     #.##...#h..#.###    . . 
      #..#.#.. ......###.# # 
###  ###. # .#.##.# .. .#    
 ..###.#.#.#.#..# #  .#   #  
  .....##.## .  .#       #   
   #...#...#######        #  
    ...##.# ..#           .. 
     #.#§#..#.# #        ##.#
    ∆ #..#.#.....#           
     #h#....#.###.           
    #..##.#..#..             
∆   ##. ..######.            
     .##...      .           
     . ..##.                 
    #.#..  .#                
    ....#   .                
     ###