.....#..... 
      ..   #...# #...#
      #.#   #.## ##.##
    ##...###...###. . 
   .#.....#.....#.....
   ................ ..
    #.....#. ...#.....
     #... ##...### ..#
     ##.## ##.## ##.##
    ##...###...##  ..#
 ...#.>.x.#.....#.....
..........4......... .
....#.....#.....#... .
... ##...###...###... 
#    ##.##  #.##  #.# 
     #...   ?..#   .  
    #....    ...#     
   ......    .....    
   .#...     ...#.