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