#.         #..    
  .        #...    
   .      #..#     
   #∩ ####...  ....
.  #.##....#   ....
...#....#..#  .....
.#.....#..#   ...# 
..........## ....# 
.#..#...#..##...   
 .......#......#   
#.......(._....#   
...##...#....#... .
.. ...#..#....#..##
#  .......####.... 
  #.....#.    . ## 
    .. #.#     .   
   .## ##       .  
                ##