..######..                                                   
      .........  ∆                                                 
      .........                                                    
      .........                                                    
      ........#                                                    
      ........#                                                    
      ........#                                                    
   #..  #####.#                                                    
   #....#...#.#                                                    
   #....#.h.÷.#####.#                                              
   #....#§h.#.......#                                              
   #....#####.......#                                              
 ###.................                                  #.......#   
 #...................                                 ##.......#   
 #.#.................                                 #........#   
 ####.....#########..                                  .......(####
 #..#(....#        ..                                  #.......... 
 #..#.....#       #....                                #........#  
 #'##.....#       #....                                #........#  
 #..#.....#       #..>#    ....                        #.<......#  
 #..#..####       #...#   #...################      .###........#  
###'#..#          #...#   #...#..............#     .............#  
#......#          #...#   #...#......>.......#     .............#  
#......#          #...#   #...#..............#    ..............#  
#......#          #...#####...#..............#### ..............#  
#.<....#          #...........#.................# #######.......#  
#......#          #...........#......((..)......#       #.......#  
#......#          #...........#......############       #.......#  
#......#          #.########..#......#............#     #.......#  
#......#          #.#      #..####'###.........<..#     #.......#  
#......#          #.#      #.......)..............#     #.......#  
#......############.##     #....#####.............#######...#####  
#....................#     #....#   #..#######..............#      
#....................#     #....#   #..#.....#..............#      
#...........[........#∆    #....#   #..#.....#..............#      
#....................#     #....#   #..#.....#..............#######
#........##'#####..).#     #....#####..#.....#..######............#
#........#......#....#     #...........#.....'..#....#............#
#........#......#....#     ............#.....#..#....#............#
#####....#......#....#         ........#.....#..'....#............#
    #....#......#....#         ........#######..#....#............#
    #....#......#....#  ∆      .............<...#....#............#
    #....#...####....####      ######...........#....#............#
    #....#####..........#  ∆        #...........######............#
             ...........+           #.............. ..............#
             ...........#           #..#####################......#
             ..........Y..          #..#                   #......#
             ...............        #..#                   #......#
             ...............        #..                            
             ...............                                       
             ...............