....      ##.                               
 .#.      ..##                              
  ..#    .#..#                              
   ?.    ....#.###                          
    x#  ..#.. ....                          
    #. #.. .#...#                           
    #.#.# ...#.....                         
     #.###.#..#...                          
     #.u......#...                          
    #..#.###..#..# #                        
   #.#.##Xu##.#.. .#                        
  #....##.#x# #h#h#                         
 ..###.###x.uh#..#                          
.#.∆ #..#...##.##                           
 #   ##..##.X #.###                         
     ...#  .#...#.##                        
    ..##  #.###..#.# #                      
    #     #.. .... ..## . .                 
         #...#.. ##..  .                    
         .#........###                      
           ##u##x..                         
            #.#...##                        
             ..u#.#                         
         ####  x..#                         
         #.....#. #                         
           .u..    . ..                     
       #...#..#.  ..  .                     
       # #  ##.#. .#...                     
       #    #  #. . .                       
            #     .#.     .                 
               . .     #  #                 
           . .     .  .  #