.
 #..            ..
#.....         ...
......        ....
......  ###  .....
......###(##......
 #......##.Ch.....
 #$...........#...
  ##....(....##   
  #$##.....#.#  ∆ 
     #<..)####    
     ###...#      
       #.#.#      
       #.###      
       #.#        
       ###