Sudoku lover climbs 20-metre billboard to solve puzzle

         HE advertisement was pulled down two weeks ago, but the advertising agency that put it up still wants to solve a mystery.A Brisbane Airtrain puzzle beside Brisbane Road at Ebbw Vale originally depicted an unfinished Sudoku puzzle.
     Next to it was the tagline: "Traffic slow enough to solve this?"To the amazement of commuters and Brisbane Airtrain management, an eager puzzle solver climbed the 20 metre billboard and filled in the missing squaresblanks.
     A nearby businessman said the billboard was replaced a fortnight ago.Queensland advertising agency De Pasquale was the creative minds behind the engaging puzzle billboards that form part of a recent outdoor campaign for Airtrain.
     De Pasquale chief executive Cos Luccitti said the Airtrain billboard campaign featured different puzzles and mazes for bored motorists stuck in traffic to highlight and promote the benefits of catching the Airtrain to Brisbane Airport."It's rewarding to see the billboards hitting the mark, especially when people have taken the time to complete the puzzle,"