I'll second that: great article and description of the problem space. Love it. Once upon a time I programmed a solution finder for the game https://en.wikipedi

I'll second that: great article and description of the problem space. Love it. Once upon a time I programmed a solution finder for the game https://en.wikipedia.org/wiki/Ricochet_Robots https://en.wikipedia.org/wiki/Ricochet_Robots because a gaming magazine had monthly problems to solve. But I wasn't allowed to run my program until my wife found a solution manually first ;-)