###       
                  #.#       
            #     #.#       
      #####.#######.#       
       ....  #......#       
h#.#.###.#   #.#.##.#       
...%%..(.#####.#.##.#  ###  
.....#.#Y........##.##...##.
....(h((h...........).......
#....###.##########.##...##.
....#  ###        #.#  ..#  
#.#.              #.#   .#  
# .         ..#####.#    #  
 .          .......<#       
 ∆          ..####.##       
                 #.         
             ∆   ##         
                    ∆