.                  
      .   .#.         #  
      ##  #. .    ## .##.
      .# ###.#####. .....
      . ##.# #.[###....# 
      #  .  #  ##∩...#   
      #   . .#...#s....# 
      ... # #.##. ....#..
        ... ..#..#...#.# 
          .#. .## ......#
      . # # ........#.#..
      .  #. #.  #.#.... .
      ##.   .# ## .#. .. 
       .#..#  #          
      # . #         ..   
      ...#               
      .# .               
      # .