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