########                       
      ####......####                    
      #.D...#......##                   
    #......###.##...#                   
    $....D.  ###..#####                 
    .$....$    #.##...#                 
    ===..$$    #....#.##                
     #$$$$$    ##.###..##               
      #####     ### ##..####            
                     ##....####         
                      ##......###       
                       ######...##      
    ####                    ###..##     
    #..########    ###        ##..###   
    #....#....######.##      ###....### 
  ###.###.#.#...#.#...###  ###........# 
 ##..## ##.####..#..#...####..........I#
##..##   ###  ###.#####..#..............
#.#.#           ###   ###...............
##.##                  #............... 
 #..#                  ###............. 
 ##.##                   #............. 
  #..###    ###          ###..........  
  ##...### ##.##           ##.#....#8#  
   ##....###...#####        ####..## #  
    ##.#.##....#...#            ..##    
     ##.##....#..#.##       ### #..##   
      #....#######..#     ###.####..#   
      ###.##   #...##   ###..#..#...#   
        ###    #.##.#####...#.#....#    
               ##..##.#...#####...##    
                ##......###   #...##    
                 ###.####     ##...#    
                   ###        ##...##   
                             ##.....##  
                             #...∩...#  
                             #.......#  
                             ##..∩..##  
                              ##...##   
                               #####