oooo$$$$$$$$$$$$oooo
                      o$$$$$$$$$$$$$$$$$$$$$$$$$$o
                   o$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$o          o  o  o  
   o o  o        o$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$o        $$ $ $$ o
oo $ $ $$      o$$$$$$$$$    $$$$$$$$$$$$$    $$$$$$$$$o       $$$o$$o$
 $$$$$$$$     o$$$$$$$$$      $$$$$$$$$$$      $$$$$$$$$$o    $$$$$$$$
  $$$$$$$    $$$$$$$$$$$      $$$$$$$$$$$      $$$$$$$$$$$$$$$$$$$$$$$
  $$$$$$$$$$$$$$$$$$$$$$$    $$$$$$$$$$$$$    $$$$$$$$$$$$$$  """$$$
    $$$""" $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$o    "$$$
    $$"   o$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$     "$$$o
    $$"   $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$       $$$o
   o$$    $$$$$"$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$" "$$$$$$oooo$$$$$o
  o$$$oooo$$$$$  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$   o$$$"$$$$$$$$$$$$o
 o$$$$$$$$"$$$$   $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$     o$$$          """""
""""        $$$$    "$$$$$$$$$$$$$$$$$$$$$$$$$$$$"      o$$$
            "$$$o     "$$$$$$$$$$$$$$$$$$$$$$$"        o$$$
              $$$o        "$$$$$$$$$$$$$$$"           o$$$
               $$$$o                                o$$$"
                "$$$$o      "$$$$$$''$$$$o        o$$$$
                  "$$$$$oo     "$$$$$$'$$$$o   o$$$$$"
                     ""$$$$$oooo  "$$$$$'$$$$o$$$$"
                        ""$$$$$$$oo $$$$$$$$$$'
                               """"" $$$$$$$$$$
                                      $$$$$$$$$
                                       "$$$$$"

                 
           Advanced