·                            
    ···    ·                       
    ▒··   · ▒                      
 ▒▒▒▒·· ▒▒··▒▒                     
 ······ ······                     
·▒▒····▒·▒··▒                      
··o·········▒▒▒                    
  ▒·············                   
  ▒···B<oo··▒                      
  ▒·o▒▒▒o···▒                      
··$     ·····▒                     
▒       o·▒▒·▒                     
        ··▒  ▒                     
        ▒·▒                        
         ·▒                        
         ··                        
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                ▒▒▒
                                ··▒
                                ▒·▒
                                ▒·▒
                                ▒·▒
                                ▒·▒
                                ▒%▒
                                ▒<▒
                                ▒c▒
                                ▒·▒
                                ··▒
                               ▒▒▒▒