.           
                      .#   #.#          
                     ...####.#          
                    ......#..#####      
                    #........#....      
                   ###..........        
                  ...##.......#         
                  #..........##         
                  #...........##        
                  #.....#...z..#        
               #   #......##...##    #  
             ...#  #......###...##  .#.#
          # #.:..###......# ###..##....#
         ..##............###  #...#...# 
        ...................#####...#    
       ........#..............##..##    
    .# ........#..................##    
   ...   #..........####...........##   
  ....#    #....#..##  #............#   
 ......     #.....##   #........###..#  
 ......#   ##z...##    #.......##  ##.. 
 #......  ##......#    #...##..#     ## 
.#......###z.###..#    #..  ##.##       
.......l.z.z## ##..#   #.#   #..#       
........##<..#   #..# #...#  ##.##      
 ......# #...#    #........####..# #.   
 ....##  ##...#    #.............#..#   
 #..      #....#     ..............##   
  .       #......     #...$.........#   
          #.###.     ..#....<........#  
          #.#       ............####..# 
           .         ............#  ##  
                     .........#...#     
                     .#......####..#    
                      ##....##   #.     
                       #....            
                        ....            
                           .