Tic-Tac-Toe Squared

I'm super intrigued by this variant of Tic-Tac-Toe called Tic-Tac-Toe Squared from Giant Book of Puzzles and Games by Sheila Anne Barry. This is another book

Tic-Tac-Toe Puzzle

Tic-Tac-Toe Game Playing using Magic Square — Program 2 in AI, by Helenjoy

Ultimate Tic-Tac-Toe – Math with Bad Drawings

Playing Ultimate Tic-Tac-Toe using Reinforcement Learning, by Arnav Paruthi

Tic Tac Toe Cats Game - Moss Manor

Tic-tac-toe squared

Ultimate Tic-Tac-Toe :: igGameCenter

Program 2 - Tic Tac Toe Game using Magic Square in Artificial Intelligence by Mahesh Huddar

Unit 2 Lab 4: Dealing with Complexity, Page 4

Tic-Tac-Toe through Magic-square

Ultimate Tic-Tac-Toe: The Rules

Ultimate tic-tac-toe - The Game Gal