##                   
     #....                 
      #.....               
.# ..##....                
 . _.#....##               
 #. .......##              
 #...#......##             
   §#§.#....v# ###         
 ##§§§##§..4...#.#         
 #.§§§v§§..###..#          
  #.§#§#v.## #.v#          
 #...####.... # 4#         
 ###.   ##....#  .#        
   #.    ##..#.##.v## # #  
   ##     ...# ..  ..... . 
        ......#### .. .....
       #.....#.  .. .v# ## 
       .#..v.   ####' #    
                    #.#    
                     .#    
                     .#    
                     .#