Achievement unlocked: my latest YouTube video has caused a discussion in the talk page of the Wikipedia article for Tic Tac Toe and they've fixed the image: https://commons.m.wikimedia.org/wiki/File:Tic-Tac-Toe-Possible_Grid.png
Video here: https://youtu.be/K29O13EUnZQ
(Thanks @11011110 for the heads up!)