..       
      ...      
      ▒..      
      ▒..      
      ▒.▒      
..    ▒.▒      
....▒▒▒.▒▒     
........<▒     
▒▒▒.▒▒▒.▒▒     
...   ▒.▒      
...l  ▒.▒      
..?..▒▒.▒      
........▒      
....▒▒▒.▒      
▒▒▒....B.......
  ▒▒▒▒▒.▒▒▒....
      ▒.▒    ..
      ▒.▒      
      ▒.▒      
      ▒.▒      
      ..▒