####  ##########    
    ##...# #...[....###  
   ##.....##...#÷.....#  
   #.......#...##.....#  
   #.......(...##......# 
   #......o#...####......
   ##.....##...# ########
#.  ##...# #...###..[##  
#..######  #...##....(## 
........####...#......(# 
   #......##...'.......# 
   ##.....##...#......)# 
    #......#...##.....## 
    ###........###(..##  
      ########## #####   
                         
                         
   ∆