ke1, ~{?F~}
     8     8    
    888    8    
88888   8  8    
    8    8 8    
    8      8    
8888888 8  8    
    8    8 8    
   888     8    
   88 8    8888 
  8 8  88888    
  8 8      8    
 8  8      8    
8   8      8    
    8      8    
    8      8    
    8      8