···        
     ▒······      
    ·······       
     ······       
      ····        
      ♣♣·♣♣       
     ♣♣♣⌠♣♣♣♣   K 
···♣♣♣♣♣·♣♣♣♣♣····
······⌠·<·⌠·······
···♣♣♣♣♣·♣♣♣♣♣···▒
     ♣♣♣⌠♣♣♣♣   · 
      ♣♣·♣♣       
      ····        
     ▒▒▒···       
       ▒·▒▒       
       ··▒        
       ▒·▒