Have a look at SmoothLife, a continuous generalisation: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=KJe9H6qS82I" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=KJe9H6qS82I</a>