....      
   ..........   
  ......⌠.....  
 .............. 
#...............
 #.............#
 #.............#
  #...........# 
     #..§YY#    
     ##YYY##    
     ##54§#     
     #.54##     
     #..5##     
     ##...#     
     ##...##    
    ##.....##   
    #...∩...#   
    #...∩...#   
    ##.....##   
     ##...##    
      #####