#####                 
                           ##...##                
                        ####.....#                
           #########    #........#                
           #.......######.##.....##               
           #.##...................#               
          ##.##.##.#######..##.#..#               
          #.....##.#     #..##.#..#               
          #..#####.#     #..#..#..#               
          #.<......#######..#.##..#               
          #.#####.......##..#.##..#               
          #.#   #.......##........#               
       ####.### #....>..#####.#####               
       #......# #.......#   #.#                   
       #.##.#.# #.......#   #.#                   
       #<##.#.# #.......#  ##.#                   
       #.##...# #......^#  #..#                   
       #.####.# ####.####  #)##                   
       #......######.##    #>#                    
       ###............##  ##.#####                
         #.##.##.###.(.####......# ########       
#.       #.##.##.###.........###.# #......#       
 #.#######.##..........####.####.###.####.#       
 #......##.#####.###...#  #........#.####.####    
    #.......####.###..##  #..#.......)........    
    #.#÷##.)..........#   #..#...#.#...##.###     
 ####.#.###.########.##   #..(...#.#....#.#       
 #..........#     ##.##   ##.##.##........#       
 #.#..#..#..#     #...#    #.##.##.##...###       
   #..#..#..#     #...#    #  .....##.###         
   #........####  #...#      ##.......######      
   #.##........####...#####   #.######..(..#      
   #...###<.##............#####.######.....#      
   ###.###...................##.#..........#      
     #.##.∩.##............##.##.#.##.#.....#      
     ##....###.####...######.........#.....##     
      ##.#.###.#  #...#    ####....####.#.#.##    
       #.......#  #...#       ###..####..###.##   
       ###.#####  #...#         #.......## ##.##  
       ###.####   ...##         ##.##..##   ##.#  
       #....[.#   .#             #.##.#.## ##.##  
    .....#.##.#   .#  ##         #.......###.##   
    ###..#.##.####.#...##        #.##.##..#.####.#
     .............@.....#        #....##.#.......#
    ..#..##.#.#.#.)#....#        #.#####.#########
   .###.. #^#.#.#..#  #.#        #.......#        
      ..  ....#.#....            #########        
     ### ##.###.#!##.#                            
          #.  #.#.# .#                            
          #   #....  .                            
              #####  ##                           
                              ∆