·        
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 ▒▒▒▒▒  ▒▒▒·····     
 8····8 ▒8·······    
 ······▒▒f········   
    ▒··D···········  
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▒···f··▒▒l··(······· 
 8···C  ▒8(··((····· 
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    ▒··D8··········· 
    ▒··C8··········· 
   ····▒▒·(·▒▒▒▒▒▒▒▒ 
   ···  ▒8··▒        
   ▒    ▒▒▒·▒        
          ▒·▒        
          ··▒        
          ·▒▒        
          ·          
          ·