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