#..#.v.                       
       ......                       
       #..#..                       
        ....##                      
  .#     ....#                      
  .§.     ...       .               
   ..   ###.# ### ..#               
    #.  #...##..#..                 
   . #.#####3.# .#                  
 . #. #. #  #....###.               
  ##.# . ..#....... #               
 # #  .# .###.##..###               
 .# .... . #.##  ..                 
 .... . .#. ..    .§                
. ......  ..       .#               
 # ####...#..#      .               
   #. .  # .##                      
 ∆  #..... ##                       
     # . ..##                       
     .. # .                         
   ..##. # #                        
 .     #