···       
     ·····       
      ·▒·▒▒      
      ·▒··▒      
       ···       
      ♣♣·♣♣      
     ♣♣♣⌠♣♣♣     
···♣♣♣♣♣·♣♣♣♣♣··▒
▒·····⌠·<·⌠?····▒
▒··♣♣♣♣♣·♣♣♣♣♣··▒
     ♣♣♣⌠♣♣♣     
      ♣♣·♣♣      
       ···       
      ▒····      
      ▒▒···      
       ▒····     
       ▒··