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