.      ..          
   ...    ...          
  ....   ##.##         
   ....###...##  ....# 
    ....#.....###..... 
 ... ................. 
 ....#. #.....# .....# 
 ....#.###...###.....##
   .  ............#....
 ##.#.#....X....#.....#
.#.  #...#..#...#....# 
. #.###.....##z......# 
. .#..# ......z..#....#
 ..$...........z..#....
 .......##..#..#### .#.
 ....#..##x.....       
...  ...x......#       
 . .#.#........>       
..#.. ..##..##..       
 . .###.##.....        
 .    ...    ..        
 ..   ..#   . #        
..     .    ..         
     # .