Tic-tac-toe (noughts and crosses) 9x9 is a pencil-and-paper game for two players, X and O, who take turns marking the spaces in a 9×9 grid. The X play …
Tic-tac-toe (noughts and crosses) 9x9 is a pencil-and-paper game for two players, X and O, who take turns marking the spaces in a 9×9 grid. The X play …