https://news.ycombinator.com/item?id=31848210 https://news.ycombinator.com/item?id=31848210 was on the frontpage just the other day with lots of solutions to th

https://news.ycombinator.com/item?id=31848210 https://news.ycombinator.com/item?id=31848210 was on the frontpage just the other day with lots of solutions to this problem.