..........#....
       ...........P...>
      ............P....
     .............P....
    .................# 
    .................#.
    ............†......
    ..................#
    ......P...<.......P
    ....#P............P
       #.............PP
       ##..............
        #..............
 ########..............
##....#..#.......P....P
#.......##.....#.#..#. 
.........#@.###.....P  
......z...P........    
......$..z.........    
......†............    
....z.z......F#...     
.....z.........##.     
P..#.......#..#..      
..z..............      
.F..............       
................       
...............