>https://www.nsa.gov/News-Features/News-Stories/Article-View/Article/1624713/may-2018-puzzle-periodical-shall-we-play-a-game-computer-tic-tac-toe/
>https://www.nsa.gov/News-Features/News-Stories/Article-View/Article/1624713/may-2018-puzzle-periodical-shall-we-play-a-game-computer-tic-tac-toe/