.#                     
                                             #.#                     
                            ##################.#                     
                            #................#.#                     
                       ######'###........♣...#.#                     
                       #.......##...♣.......♣♣.#                     
                       #.......##...♣.♣♣♣♣♣♣.#.#                     
                       #.......##.♣♣..♣    ♣♣..#                     
                #+######...........♣♣..     ♣..#                     
                #..............#... ♣♣♣♣    ♣♣.#                     
                #######........##.♣♣        ♣..#                     
                      #........###.♣♣       ♣.##          ########   
           ###        #.............♣ ♣♣♣   ♣.#         ###......#   
           #..        #...........#.♣♣♣.♣♣♣ ♣.#        ##........### 
           #.##       #.##.###......♣.♣.♣.♣♣♣.#        #...........##
           +..   .#   #..#.# #............÷...# #      #............#
           #÷#   .#   ##.#.# #.)..###...#....##.#      #............#
           #.####.#     .#.# ########...##......#      #............#
          ##......#      #.# ##.........##..†#####   ###.#.♣♣._.♣..##
 #.       #.......#      #.# #..[.......#......).# # #...###.♣♣♣♣### 
 #.       #.<.....#      #.###..####....#....###.#.. #.### ###       
 #.#      #.()....########.........#.........#    .# #.#             
 #.########.......#........#######.#######...#    .# #.#             
##.##.....#.......#........(.........    #...###+#.#∆#.#             
#...#.....#.......#........####....  #   ####......#.#.#             
#...#.....#....>..########.#      .         #......#.#.#             
#..........................####.            #......#.#.#             
#...#)...<.#####..................     #########.#.#.#.#             
#...#......#####.....(....########     #..$.[..#.#.#.#.#             
#...#).....#..............+            #8.....8#...#.#.#             
#...#......#.###..........#            #.......#...#.#.#             
#...#......#.# #..........#            #8.....8#.....#.#             
#...######.#.# #..........#            #.(.....#.#.###.#             
#...#    #.#.# ############            #8.....8#.#.....#             
#...###### #.#                   ##    #.......#.########            
#......... #.#                    ..   #8(....8#........#            
#.##########.#######               #.###.†.....########.#            
#.##...##...........               #...........#      #.#            
#.##...##)##.#######               ####..g..####      #.#            
#.##.......#.#                        #)##..#         #.#            
#.##...##..#.#                        #†#...### #######.#            
#.###.#.#..#.#                   ######'#.....# #.[.....#            
#.# #...#..#.#                   #.........##.###.#######            
#.#####.#..#.#                   #...........gg..g#####              
#.#...[.#..#.#                   #..).........###.....#              
#.##.####..#.#                   ######.#.#.......###.#              
#..........#.#                        #.#.######### #.#              
####.##.##.#.#                        #.#.........# #.#              
   #.......#.#                        #.#########.# #.#              
   #..#..###.#                        #.#       #.# #.#              
   #.....#<#.#                        #.#       #.# #.#              
   ##....#.#.#                        #>#       #.# #.#              
    #......#.#                                  #.# #.#              
    #..#.###.#                                  #.# #.#              
    #........###########                        #.###.#              
    ##.#................                        #.....#              
     #.#################                        #######              
     #.#                                                             
     #.                                                              
     #.       ∆   ∆