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