.....     
                                                         ....      
                                                         ....      
                       ###                             ##..#+      
                      ##..#########    ###.#######     #.....      
                      #........[..##  ##...#.....##   ##...        
                       #........>..#  #P...#......#  ##..#   ##### 
                       #..........P#  #..#.#...P.#####...#####P..##
                       #..........######.#...P.#..................#
                 ∆     #..........##.............P...............##
                       +..........+....#.....#.#.#.+.............# 
                       #...........#  #......#...###.............# 
                       #..........##  ##P...###P..##.............# 
                       #...........##  ####.##########P.###P##'P## 
                       ###......P##.#     #..#       #### ####.##  
                       ##.#.#.####..#     #..###             #..#  
                       #...........#########.#.###           #..#  
                       #...P#....P...#..##...##..##         ##..## 
                       #.....#...#.P.#...........P#         #..#.# 
≈≈≈≈P≈≈≈...P#          ###P..##.#..#...........(.##         ##..## 
≈≈≈≈≈≈≈≈....##        ##...P.......#.............P#          #..#  
≈≈≈≈≈≈P≈P....##       #.#...####...#.+..........<##         ##.##  
≈≈≈≈≈P≈≈......###     ##.#.#........##...........#          #..#   
≈≈≈(≈P≈≈......#.#      #.#.#...P.#.# #...........##         #..#   
≈≈≈≈≈≈≈≈≈.......###   ##.....P...#.  ###..#.#+.P..#         #..#   
≈P≈≈≈(≈≈≈.........#   #.##.+##..#.     ######..##P#         #.##   
     #(D#..##.###+##  ##.##..#.###     ##   #..####         #.#    
     ##............#   ###......####  ##.#####+##.#         #.#### 
     #P............####  ####.#+##.# ##...........## ########.#..# 
     #P............#..## #........## #...........+.###..#.PP#+..## 
     ##................###.......######..........#..#............# 
      #.......÷.....#...÷........'...#...........##.'............# 
      #...........÷(.#..##.(.....##................#P.............#
      #............###...#.......###P.+..........####............##
      #.#####.#..##.P##..+....<...# ###...>......## ####....#.#..# 
      ###  #..#### .#####.........#   #...........#    ########### 
      #.#  #.##.#  ##   #...##.##.#   ##.'#..######                
       #.###+...###  ##############    ##...##                     
       #.........P####.#              ###.###  #                   
       #...<...........#             ##.)†..##.##                  
       #..........P##.#########     ##...........                  
       #.........####.........## ####............                  
      ##.........#  ###.#.#.#..###.###...........                  
      #..........##   #######......###...........                  
      #...........#         #####................                  
      ##.........##             ###..............                  
       #.........#                ##.#...........                  
       ##P..#P..##                 #########.##.#                  
        ###.#####                           ##                     
          ###