···                  
          ·······♣♣               
         ·······♣♣♣♣♣♣♣····       
        ·········♣♣♣♣♣·······♣    
       ···········♣♣♣·········♣   
      ·············♣···········♣  
     ···························· 
    ·S··························· 
   ···········Y·················· 
   ···········♣···················
   ·······(··♣♣♣··················
  ··········♣♣♣♣♣·················
  ········Y♣♣♣♣♣♣♣······<·<······♣
  ··········♣♣♣♣♣········<········
   ········YY♣♣♣··················
  ··········Yl♣···················
 ·············h(··················
 ·································
 ·································
·······[············♣··········♣··
···················♣♣♣········♣♣♣ 
··················♣♣♣♣♣······♣♣♣♣ 
 ················♣♣♣♣♣♣♣%···♣♣♣♣  
 ········)········♣♣♣♣♣······♣♣   
 ··················♣♣♣········♣♣  
  ··················♣··········♣  
   ·················Y%··········  
    ···························   
       ·······················    
            ··············)··     
             ···············      
              ·············       
               ···········        
                ·········         
                   ···