#     .#     
        ..#    .##.   
      #....####. 3    
     #......#.....    
     ............ ..  
   ##........... .=.  
  # ..##..##.3# ..#   
 #....##..##..##..##. 
 #....................
#.#...................
#..#..##..##..##..##..
 .## .##..##..##..#   
#..#....∩....X........
#.................... 
###...##..##..##..##. 
  #.. ##..##..# ..#   
 #.#_..........  ...  
.. ##..........   .   
#   ..##..##..#       
    ..##..# ..#       
   . .. ....          
   ...    .           
   #..##              
    #.#               
     .