..             
        # .###       .#
          ....#     ...
           .#..###  .# 
      #  ..####.∩##..  
      ..#.##.y...#.#   
#     .#..##.##.#.#    
.######.#.....#..##..# 
##.#..#..#.#.......#   
.. . ..  ##....#.#...# 
.###.  . ####.#........
### .# ..#.#..#.#.#.###
. .#.  #  ..###.... .# 
.   .. #.#.    ..####.#
 .#...# #.###  ..     #
.#. #..#.#.    . ##    
...#..#.# ..   . #     
# # .. .   #.          
 ###. #     .#         
   #         #