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