..#.            
        .#.            
         ..  ###       
     .####.##..##      
     . .........# ##   
     ...#.......##.#   
   # # #%.....∩....#   
  #.# ###..3.....#     
   # ..#:.......##     
    # .##......###     
.## .............#     
#... ...........##     
  # ...........#..#    
 #.............####    
 #...##.........#      
  ##. #####........#   
   .      ##...####..# 
  #        #. .#      #
          #.#..#       
          #.##..       
          .. ....      
         #.# ...#