###                                      
                       ##.##                                     
                      ##.#§##                ##########          
                     ##.###.##               #........#          
                    ##.## ##R##              #........#          
                   ##.##   ##§##             #........#          
                  ##§##     ##.##            #.......############
                 ##§##       ##§##           ##...)..##...##....#
                ##§######     ##.##          #........'.........#
      ###########.........     ##.##         #.......##.........#
    ###.......§........._.      ##.##        ##......##.........#
  ###...§§...§.##.........       ##.##       #.......#....##....#
###.§§.§$##§........_##_..        ##.##      ##......+....##....#
#.....§######......###  #.         ##.#       #......##...##....#
#....###    ###..###               #§##      #.......#######....#
#..###        ####  {              ##.#      #.......#     #....#
#..##.....        ∆                #.##         .....#     #....#
#.§##.....∆                        ##.#          ....#     #....#
#.§##....#                         #.##    ###### #..#     ##'###
#.R##....#                         ##.##   #.....##..###   ##...#
#..# ....#                          ##R##   #........<.#  ##....#
#.§#  ...#                           ##{##  #..........# ##.....#
#..####..#                            ##{## #..........###.#....#
#.._.##.##                             ##{###.........)##.##....#
#.....5#.#                         #    ##H########..##..####...#
###..)§§H#                        ##.######Y##.####..########...#
  ###...§......                   .......{§y.............>......#
    ###......#.  ∆                .#.#....{.....................#
      ###.####                    .....Z........................#
         _#                       .###.Y........................#
         .#                        #∩..p........................#
         ..                        #.....N##...###...##....##...#
          .                       ........#########§###+#### ...#
                                  ........#.......§§.......   ..#
                 ∆                ....#####.......>§.......      
                                  ....     .......§........      
                                   ..      ###..##§####..##      
                                             #.. #.#   ..#       
                                            ...  ...    ..#      
                                           ...   ...     .#      
                        ∆∆                 ...   ...             
                                                ...##            
                                                        ∆        
                                                                 
                                                                 
                                                                 
                                                                 
                                                                 
                                   ∆                             
                                                                 
                      ∆                                          
                                                                 
                                                                 
                                                                 
                                                                 
                                                           ∆     
                                    ∆