..              
                            ##.#              
                           ##..#              
                        ####...##             
                   ######....#..###      #####
                 ###..............##     .....
       #.       ##..........>......##   ......
       #.#   ####...................##  ......
       #..####.......................###......
       #..#.(......................#.......#  
       #...........................###...###  
      ##...........................# #.###    
     ##.........#.................## #.#      
     #..(.oo....#................##  #.#      
  .........o)...##..............##   #.#      
  #........ao..####............##    #.#      
   #...........## ##..........##     #.#      
   #............## ##.......###      #.#      
   #.............## ##.....##        #.#      
  ##..............## ##...##     #####.###    
  #................#  #####     ##.......##   
  #...............<##          ##.........#   
 ##.....)...........#         ##..........#   
 #..o...)..........############...........#   
..............o..........................##   
.#.............[.........#####...........#    
 ##................#######  #............#    
  ##............####        #÷...........#    
   ##.........<##           #..........##.#   
    ##......(.##            #....####### ..   
     ###.....##             ##...#            
       ##.#..#               ###.#            
        ####.#                 ###     ∆