######             
      ###....##            
      #.WW....#            
    #.W.###..##            
   #...###..##             
  #...###..##              
 #...# #...#               
....#  #..##     #####     
.W.#   #.WW### ###...####  
.##    ##....###........## 
        ##...............##
         ####.............#
            ##............#
             ##..........##
              ##.#....#.## 
               ####..####  
                 ##..#     
                ##..##     
                #..##      
                #...##     
                ##...##    
                 ##...#    
                 ##...#    
                 #...##    
                ##...##    
               ##.....##   
               #...∩...#   
               #.......#   
               ##..∩..##   
                ##...##    
                 #####