########             
                          #......#####         
                          #..........#         
                         ##..........#         
                        ##...........#         
            ##########  #............#         
            #........#  #.#..........#      ## 
         ####........####.#.........÷#     ..# 
         #_...............###.#.....######...# 
         ####........###### #.#..............# 
  ########  #........#     ##.........#####..# 
  #......###################..####.....#####.##
  #...........#   #...........###..##...#......
 ##...........#######..<.............<....##.# 
##....)...............#.....#...######.......# 
...?..>.......#########.....#..#######.........
#####..........................................
    #..........####..<................@........
 ............................####..............
 ?#......#..#######............................
  ##.....##..#    #............................
  ∆##.######.#    #..........#.##...)<.........
   ∆#.      .#    ...........#.##............. 
 ∆  #.      ..   #............................ 
      ∆     ...∆ ........................###.. 
                   ####### ....>........... .. 
                          ...###............   
                         #.#.  #..........##.  
                               #..........#