·▒▒        
             ▒▒··▒▒▒      
           ▒▒▒≈···≈▒▒▒    
          ···≈P≈·≈P≈···   
         · ·≈P⌠P≈P⌠P≈···  
         ····≈P···P≈····· 
         ····▒≈···≈·>···· 
        ······≈···≈······ 
        ······≈·<·≈···>···
        ▒▒▒▒▒·≈···≈▒▒·▒▒· 
    ··      ▒·≈···≈▒▒     
   ▒··▒▒▒▒▒▒▒≈♣···P≈▒▒···▒
   ·········≈♣⌠♣≈·⌠P≈·····
 ··▒·········≈♣≈·≈P≈······
 ▒···▒▒·······≈···≈······ 
 ▒···········▒▒··▒▒▒▒▒··· 
························· 
 ▒·▒·▒▒▒B··▒▒▒▒▒▒▒▒▒▒▒▒·  
     ▒···▒▒▒              
     ▒·▒▒▒                
    ···                   
  ····                    
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    ·