########                         
###......####                      
.....#......##                     
D...###.##D.D#                     
....  ###..#####                   
...$    #.##...#                   
..$$    #....#.##                  
        ##.###..##                 
         ### ##..####              
              ##....####           
               ##......###         
                ######...##        
                     ###..##       
                       ##..###     
                        #....###   
                       ........##  
                      ..........## 
                      ...........##
                   ...............#
                   ...............#
                   ..............##
                   .............## 
                    #..........##  
                    ##.#....#.##   
                     ####..####    
                        #..##      
                        ##..##     
                         ##..#     
                        ##...#     
                       ##...##     
                       #...##      
                       #...##      
                       ##...#      
                       ##...##     
                      ##.....##    
                      #...∩...#    
                      #.......#    
                      ##..∩..##    
                       ##...##     
                        #####