...     
         b.....  
         ......# 
         ......##
   ##    #...... 
    .    #....#  
    #.####....#  
    #.#....$..#  
    #......#     
    #.#<.#.# .#  
  ##  ####.#..#  
  #.     .....#  
  #.#####......( 
###.#........... 
#......##.#.#### 
#......##.#.#    
#..#'#..#.#.     
#. #∩#....#      
#..###..###.#    
#...........#    
#......######    
########