########            
         ##......##           
        ##........##          
        #..........#          
        #..........#          
        #..........#          
    .   #..........#          
    ...##..........#          
    ..............##          
    ..####........##          
        #..........#          
        #..........#   ..     
        #..........# ##.#     
        #..........##...##    
       ##................##   
    ####..................##  
    #....##................# #
......######...............#.#
#....      #................. 
b..#       #...............#  
..        .................#  
#        ..................#  
         ###.........#÷...##  
           ##++###''##...##   
           #.........#..##    
           #.........##..     
           #.........# ...    
           #......[..# ....   
           #.........# .....  
           #.........# ...... 
           #.........#        
           #....<....#        
           ###########