#####    
   ##.M.##   
  ##Z.Z..##  
  #...∩...#  
  #.......#  
  #...∩...#  
  ##.....##  
   ##...##   
    #...#    
    #..Z#    
#......Z....#
##.........##
#...........#
##.M.......##
 ...........#
##.........##
 ...........