.   .  .                   
      # .#.#    ...                  
        .  ##   .                    
     #  .. #. .#  .                  
   # .# ...  .#...      .#≈          
  .      .  .. .       ...#..        
  .. . . ...  ..  §§§§..... .        
     #  . ...#....§ ....... .        
     .  ..# . ...  §  ...... ..      
    .  .  ##..#....##.....# ...≈     
. #   . . # .# #...### .X###...#     
   .  .# ..### .....#..... .....#.   
       ## .   ........... .........  
        ..§#  .....................  
   # # ..#    . .................. ..
        .#    # ....#.....#.....# ...
       #      ##...###..X###...###...
       #      #.... #.....#.....#....
              . .....................
              .......................
              . .....................
                ....#.....#.....# .. 
                ...###...###..G##    
                  . #.....#...q.#    
                   ................  
                   ..................
                    ..........5..>...
                      ....#.....#....
                      ...###...###...
                      ...  .....  ...