########                         
        ###......####                      
      ##.....#......##                     
   ###......###.##...#                     
  ##.$......$ ###..#####                   
  #.$......$$   #.##.D.#                   
  ##.==$..$$$   #....#.##                  
  #..##$$$$$$   ##.###..##                 
  #.#≈########   ### ##..####              
 ##≈≈≈≈≈≈≈≈≈≈≈        ##...D####           
##≈≈≈≈≈≈≈≈≈≈≈≈         ##......###         
#≈≈≈≈≈≈≈≈≈≈##           ######...##        
###≈≈#.#####                 ###..##       
 #≈≈≈#..###                    ##.D###     
 ##≈##....##                  ###....###   
  ####.##D.#                ###........##  
     ###..##              ###...........## 
     ##..##              ##..............##
     #..##              ##................#
     #.###            ###.................#
     #...######  ######...#..............# 
     ##.#.#...####..##..###.............#  
      ##....#..#..#....## ###..........#   
       #######...####.##    ##.#....#.##   
           ##...##  ###      ####..####    
           #....#               #..##      
           ##..##               ##..##     
            ####                 ##..#     
                                ##...#     
                               ##...##     
                               #...##      
                               #...##      
                               ##...#      
                               ##...##     
                              ##.....##    
                              #...∩...#    
                              #.......#    
                              ##..∩..##    
                               ##...##     
                                #####