#######            
                                                   #.....#            
                                                   #.....#####        
                                                   #.....'...##       
    #########.                                     #.....###..####### 
    #.<....)...                                    #.....#(.......... 
  #.##.#.###>..                                    ##'####.##.########
  #............                                     #.#  #(#....#....#
 .#####..##...#                        S#     #######.#  #(#..#.#.##.#
#........#  ..#                        .y.    #.......#  #(#..#<.....#
######...#  ..#                        ....   #.......#  #.#..#[#.#..#
  ####...##...#                        #....  #.......#  #)#..#.#.#..#
 ........<....#                        #.....########.#  #.####.#.####
 #####.#####..#                        +..?...Sy....#.#  #......#..   
     #.       #                        #.....######.#.#############   
     ##                                ......................         
                                       #### #######.#########         
                                                  #.#                 
                              ..                  #.#                 
                            # ..                  #.#                 
          #.........#       #.#.###               #.#                 
          #.........#      ∆#.#....               #.#                 
          #.........#       #.....                #+#                 
    ...#  #..(......#       #.....                      ∆             
    #..#  #.(.......#     #.##.#.#####.###                            
    #..#  #.........#     #.......)).....+                            
    #..#  +.........#     .$...#..####.###                            
    #..#  #......@..#########  ##.##                                  
    #..#  ######'###.....#      #..#                                  
    #..#  #<...#.# #.###@#########.#                                  
    #..#  ####.#.# #.#.........@...##                                 
    #..#######.#.# #.#.###########..##..#                             
   ##..........#.# #.#..................#                             
   #.......#####.# #.#.........#.#...#.##                             
   #.......'.....# #.###########.#.#.# #                              
   #.......####### #.....@.......#.#.#                                
   #....)..#       ###############(#.. ∆                              
   #.......#                     #.##..                               
   #########                     #.# ...                              
                                  ..