#.               
                             ##.##    .#       
       ##+#            #     #...    #.#  #+## 
      ##...##    #####. #### #..#    #.# #...# 
     ##.....##   #.... . ..# #..###  #.##..... 
    ##.......##  #..##.# #.# #..#(####.#...... 
    #.........####...#.###.###...(.............
    +.........'................................
    #.........####..>#.###.(...................
     #.......##  #..##.# #..P≈≈≈≈≈≈≈≈P...P≈≈≈≈≈
     ##.....##   #.###.# #..≈≈≈≈≈≈≈≈≈≈...≈≈≈≈≈≈
      ##.†.##    #.###.###..≈≈≈≈≈≈≈≈≈≈...≈≈≈≈≈≈
       ##'##     #..........P≈≈≈≈≈≈≈≈.....≈≈≈≈≈
        #.#      #####.###.............<.......
       ##.#####      #.# #..P≈≈≈≈≈≈≈≈.....≈≈≈≈≈
       #......#      #.# #..≈≈≈≈≈≈≈≈≈≈...≈≈≈≈≈≈
  ######.).##.###    #.# #..≈≈≈≈≈≈≈≈≈≈...≈≈≈≈≈≈
  #.......†.....#    #.# ##.P≈≈≈≈≈≈≈≈P...P≈≈≈≈≈
  #.............. ∆  ..#  #....................
  #.........#.#.#    ###  ########.#####.##.###
..........###.#.#                #.     .# .#  
###.............#                              
  ######......###                              
       ##.#####                                
        #.#                                    
        #.#        #########  ∆                
        #.#        #.......#                   
        #.##########.#####.#                   
        #.#.......##.### #.#                   
       ##..............# #.#                   
      ##....#..##.##.#.# #.#  ∆                
      #........##.##.#.###.#                   
  .#####....#.###.##.......#                   
  ................####.#####                   
  .######.###.#####  #.#                       
        #.#  .#      #.#                       
       ##.###.#    ###.###                     
      ##......#    #.....#                     
     ##.....###   ##.....#    ∆                
    ##.......##  ##...†..#                     
    #.........####.......#                     
    +.........'.............                   
    #.........####....######                   
    ##....)..##  ##.#.#                        
     ##.....##    #.....                       
      ##...##     #.#†###                      
       ##'##      #.#.#                        
        #.#        .# #                        
        #)#                                    
       ##.##                                   
      ##...##                                  
      #.....#                                  
      ##...##                                  
       ##.##                                   
        ###                                    
       ∆