▒▒  ▒▒▒▒▒▒▒▒▒
....▒.......▒
 ▒....S...▒  
      ▒...▒  
      ▒..▒▒  
    ▒ ▒.▒▒   
    ▒.▒.▒▒▒.▒
    ▒..<....▒
    ▒▒▒.▒▒▒▒▒
      ▒.▒    
      ▒.▒    
      ...    
      ▒<▒    
      ▒.▒    
      ..▒