Deletion of Balance (puzzle)

Comment: weakly.  The current article is not very good, but it seems to describe a fairly well known type of math puzzle, where the object is to arrange a set of digits so that they are equal on either side of a divide.  The article seems to make out a case for notability, in that this sort of puzzle is apparently used in a puzzle competition about which we have an article.  There ought to be something out there to improve this, and |there is no deadline
Stance: keep
Cited policy: Wikipedia:There is no deadline (WP:DEADLINE)