∙▒  
               ∙∙   
             ▒▒∙    
       ▒▒▒▒▒ ∙∙     
        ∙∙∙▒ ∙▒     
         ▒∙▒▒∙▒     
   ▒▒▒▒▒▒▒∙∙o∙▒     
   ▒∙∙∙∙∙∙∙o∙o▒     
  ∙∙∙▒▒▒▒∙)▒▒▒∙o∙∙∙[
    ▒▒∙∙∙)▒∙∙∙∙▒▒∙∙∙
    ▒<∙▒▒▒∙o▒▒▒▒   ∙
    ▒∙▒▒  ∙▒▒       
   ∙∙∙∙   ▒▒        
  ∙▒∙∙▒▒            
∙∙ ∙∙▒▒             
▒ ∙∙∙               
 ▒∙▒▒               
 ▒∙