#.#.......                    
    #........                     
    #......g                      
    #......                       
..###.....                        
  .......       ...               
    #...#       #.#               
      #r#       #.#               
      #l#       #.#    #          
      #)#     ###.####.#          
    ###.##    #........#          
    #....#    #........#          
    #....######........#          
    #...........#.####...         
    ###########.#.#               
         #...†....#               
         #.####.######            
       ###.####.## #...           
       #.........# #.8.           
       #.....##### #...           
       #.....#    ###+###         
    ####.....#  ###.....#####     
    #........#  ..#.....#...#     
    #.......##  8.+..8..'.<.#     
  ###.......#   ..#.....#...#     
  #.........#######.....#####     
  #.#...†...##....#+###'#         
  #.##.##.####.##.#.##..#         
  #....##....#.#.......##         
  ####.#####.#.#.......#          
     #.##.##.#.#.......#####      
     #.##....#.#...........#      
     #.##.####.#.####.####.#      
        #........#  #.#  #.#      
    .##.######.######.#  #.......#
    ...........#......#  #########
    ###.######.#.######           
         #.....#.#                
         #.#####.#                
         #.......#                
         #########                
                                  
       ∆