#..#                                    
          #..#                                    
       ∆  #..#                                    
          #..#            ###                     
          #..#           ....                     
          #s>           .....                     
     ######.###########......                     
     #.........Osr.OF.o......                     
     #....#a###########.o....                     
    ....#........#    #......                     
    ### #.#.###....  ##. ..##                     
        #.#.#    ###.#.......                     
        #.#.#      #.#...#.##                     
        #r#..   .###.#......                      
   ######O##### ........##.###                    
  ............# .............#                    
  #######.###r# .............#####..              
        #.# #.##....................              
        #.# #.O......#.....#.#####..              
        #.# #r.####..#<....#..#   ................
        #.# #..#  #........#..#   .... ...........
        #.# #..#####.#.....#..#   #..# #........# 
        #.  #..............#..##  #..# #........# 
         .# #...####.##.##.#...#  #..# #......... 
        #.# #...####.#.....#.#.#  #..# #........  
     ####.# #......#.##..###.#.#  #.r####...###   
     #..... #..##.##.##..# #.#.## #...O.r....!#   
     #.#..###..##.#......###.#..# #O#####...#.#   
     #........<#.[...........##.# #.#   #..##.#   
######..#..##..#..#..##..######.###.#####..# a#   
...............#..#.......r................# O.   
 #.###..#.######..#...#.#######.##..#####..# ..   
   ##..O#...r.!.....................#   #).# ..#  
   #..r#########.....".....####.##....  #..# ..#  
   #....O.r.......(#.......[# #..#..... #..+      
   #.#.#########.#..........# ##.#........##      
   #.#.(      ........#.....#   ...........       
   . ...    ...#.##.###.....#   #...#####.#       
  ##(.... ............ .###.#                     
   ..#.## ####.#.##.###                           
  ##.#.#     ..... ..                             
   ..#.        ###  #