...   #######               
....  #.....#               
....###.....##       ..y....
 ............#       .......
  #..........#       .......
####....<....#       .......
..........##.#       .......
#......∩.....###+####y.....#
....##...###.##..##.yyh.#   
...  #.#.###.##..###Sh..#   
 .  .#.#........## #a#as##  
    ...#####....# ##.#...#  
    #...## ###..###....#.#  
    ##....####........## .. 
    ....#...........#.......
    ........[...............
     ...##..##....###.#...# 
    ........##....#  ...... 
    ......##..............# 
    .....# .[#.?...##  ...# 
    .....#..#..#.#..#  ...  
    .... ........##..s      
    ...  ......... ...      
    ...       ..