..            
                                   ∆     ##....         
                                   # #.   ..#.          
                                   .. .    ..#  ##      
                                    #.#.   ..###.       
                                     #..###§#...       #
                                       ..#..#..##     ..
                                       ##..#.# .### #..#
                                     .##...#.. ...#.... 
                                     #.##3.#..#5 .... . 
                                #  ......##5.#....#..## 
                              ∆ .. ###.....#.###.#####  
                                 .. #.#.#...### .....#  
                                .#......#...#....###...#
                                 ... .#..#.#..# ...   ..
                                  #.#### #. #. ##.# ..  
                                 ###.# .#.... ## .# ... 
                                 #....##.....#.# ##  .. 
                              .#.. .#  .....#..       . 
                              #.  ###. #.## ###...      
                                #.   #.. ..#    #..     
                              #. ##....#..##      #     
                                   ....##. # .          
                                 # ###..#  #..#         
                                ...  ## #... .#         
                               ###     # ≈ ≈###         
                                     #  ≈≈  #