On Tue, Sep 10, 2013 at 09:59:01AM +0100, Pierre M wrote: > > I have an idea of a suboptimal "lazy" (in terms of computation) strategy, > but i'm lazy to write it right now. And it would be too large to fit in the margin anyway. -- Philippe Bruhat (BooK) One lesson learned is never enough. (Moral from Groo The Wanderer #104 (Epic))