###     ####    
     #..#..      ..#    
     #..#.########.#    
     #..#........#.#####
 # ###..#...........†..#
 #.#....#S######.#.##.##
  .......SW>.....#.##.# 
   #.##....#######.##.# 
 # #...............##.# 
 ....##....##########.##
...........#    #<.....#
#<..###.#..#### ########
..............#         
  ..###.##∩##.#         
   .........#.#         
   .#...##..#.#         
    #...##..#.#         
   ..... #..#.#         
   ##.   ......         
         #.##.#         
         ...