·       
         ▒▒···     
         ··▒··     
         ▒···      
        ▒▒··▒      
   ·    ▒···    ▒· 
   ·     ··▒ ▒▒··▒ 
·▒▒▒·   ▒▒·▒···▒···
▒····   ▒·······▒  
 ▒·· ▒▒▒▒y·▒·▒·▒··▒
   ···▒··▒·····▒   
  ▒ ▒·▒····▒▒▒▒▒   
· ▒· ▒·▒···▒ ▒     
··▒·▒▒·····▒▒·▒    
 ▒····▒·▒····· ▒·  
 ▒·▒··▒▒▒·····▒▒·· 
 ▒···▒· ▒▒▒·· ▒··  
· ···▒· ··▒·▒· ·▒  
·▒▒▒ ▒· ▒···▒·▒·▒