..         .. 
  r#     # #...
   .# # #.#...s
  ##.#.#.#.#...
  #.#.#.#.#... 
   #.≈≈≈≈≈.#   
  #.#≈...≈#..# 
   #.≈<..≈.#   
  #.#≈..(≈#..# 
   #.≈≈≈≈≈.#   
  ..#.#.#.#..# 
 #.#.#.#.#.### 
 #..# # #.#..  
 ..#     # #.# 
#..         .#