......   
            ▒......   
            .......   
            .....     
▒           ....      
..          ..▒       
...▒▒▒▒▒▒▒▒▒..▒       
..............▒       
 ▒[........B.▒▒       
 ▒.......<....▒       
 ▒▒▒▒▒▒▒▒.▒...▒..     
       ...▒...▒.▒     
      ▒▒▒.▒...▒.▒     
     ▒▒▒▒▒▒...▒.▒     
    ..........▒.▒     
    ▒▒▒▒▒▒▒▒..▒.▒     
           ▒..▒.▒ ▒   
           ▒..▒.▒.▒   
           ▒....▒.▒▒  
           ▒.......▒  
           ▒▒▒.>▒▒▒▒  
         ▒...........▒
         ▒▒▒▒▒▒▒▒▒▒▒▒▒