########                              
                     #......#  #####                       
                     #......#  #...#                       
                     #......# ##(..#                       
                     #....<.###....#                       
                     #......#......#                       
                     #......#.#....#                       
                     #........#....#            #.. ∆      
                     #..........####            #..#.#     
             #########.##########               #....#     
             .........##.......#                #.#..#     
             #.###.....#.......#                #.#..##    
  ############.##......#.......###              #.#...#    
 ##.....#......#.......#.........###            #.#.#.#    
##.............#.......#.......#...#           ##.#.#.#    
#......................#########...#############..#.#.###  
#........<.......................)..........)...........#  
#...............##...#................................###  
#.......>.......#####...>....<........########........##   
#...............#   #........)..>..)...#######.........#   
##............).#   #.....)[.....).........#...........##  
 ##.....#.......#####.#...........................####..#  
  ############...#.........<.......)...............# #..#  
             #...#....#............................# ##.#  
             ###...##.#............................#  #.#  
               ##..##.##...........................#  #.#  
             #........#.......##..................>#  #Y#  
             #........#.#..#####...#...............#  #Y## 
             #............##   ##.................##  #YY# 
             #...........##                           #Yr# 
             #............                    #..######rr# 
             #...###...###                    .........r.# 
             #...  #...#                      ...Y...#...# 
                                              .......#...# 
                                              .#..r..r...# 
                                               #.r..Y....# 
                                              ..r........# 
                                              ............ 
                                              r...........#