#..#                  
  #..##.    #...........
  #..##.#   #...........
  #..# .)####....$......
 ##..# #.#..+...........
##...#  ...##...........
#..(.####..##...........
+..<.'.##......††l......
#....#...(.#.##†.#      
##...#†##.)..##..#      
 ##..#....(......#      
  #..#.#......#..#      
  #..#........#..#      
  #..#........#..#      
  #..#.##........#      
     #.....#†##.##      
     #.##....##.#       
     # #...... ..       
       #......  ##      
       #......#         
       ........         
      .##......   ∆