How to go about transforming Williams into a force that can one day topple Mercedes and Ferrari - the biggest and mightiest teams in Formula 1?
That is the monumental task facing Paddy Lowe at Williams, the faded star he rejoined this season after a 25-year hiatus.
He is not alone in this mission, but he is uniquely placed. Lowe, of course, was a senior technical cog in the relentlessly grinding wheel of fortune that bestowed a dominant run of three consecutive F1 world championship doubles on Mercedes. Lowe knows what it takes to win in V6 hybrid Formula 1 - because he is one of the few technical leaders who has.