.# .#                    
        .   ##   . ∩. # #                
         .  #.  .#   ##.                 
        # # #.# .####.#..                
         ..#. # . ..#...#                
        ##..#.. .#. . ..###     .        
   ..   #..#..##....... ..     .#        
    .#   # .#.#.### ###.#  #  # .#       
.#   .# ###..z. ...#.... ..# #  #        
...## .##... z ..## ..  .# .. ..         
 #.... ...####..#.#X##....##. #          
#..#..##.###.##....#..#... .# #          
........#....#..## # #..#    #           
      #.zz###.#...# . . .# .# ##         
     #..##....#...#.#. ##..... #         
   ......#.#.##...#.....#.. ...   . . #  
  ######.##.###.....# #... .#..         #
        ###.## .....#.. ##.   . .     #  
          .#..#X...#.. #.. .∩.. . .      
         .# .. ..  #...#.#  . ..      #  
        .#  .#..#.# #...... #.  .  #     
            #z%. .   ## .  ..      .     
            . .  #     #..  ##  #.       
            #. ..       #. . .   .       
                           #.      .     
                              . #.       
                            .#. #        
                                         
                                         
                                 .       
                               .