[no_identd]

Do mathematicians consider this an open problem or does there exist a well known solution? And what about a name for this problem, does it have one already?

[cousin_it]

Nah, it's nothing as grand as that. I saw it on facebook a few months ago and solved it in about ten minutes, just wanted to share the fun.

[no_identd]

...do you know the story of George Dantzig?

https://en.wikipedia.org/wiki/George_Dantzig#Mathematical_st...

I don't mean to say that it seems applicable here - but I also don't mean to say that it doesn't seem applicable here.