wu4, ~{Ns~}
   8        8   
 8888    88888  
         8  8   
888888 8 8  8   
       8 8888   
 8888  8 8  8   
       8        
 8888  8888888  
       8  8  8  
 8  8     8  8  
 8888 888888888 
 8  8     8     
 8  8    8 8    
 8  8    8  8   
 8888   8   8   
 8  8  8     88