jie2, ~{=Z~}
  8      8      
  88888  888888 
 8 8    8  8    
8   88 8    8   
   8            
 888888      8  
 8    8  888888 
 888888  8   8  
 8    8  8   8  
 888888  8   8  
 8       8   8  
 888888  8   8  
 8       88  8  
 888888  8 88   
 8       8      
 8       8