Unbeatable Tic-Tac-Toe

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Warning: DOMDocument::load(): Opening and ending tag mismatch: moves line 12712 and unparsable in /usr/local/www/apache24/data/tictactoe/games.xml, line: 12712 in /usr/local/www/apache24/data/tictactoe/index.php on line 54

Warning: DOMDocument::load(): Premature end of data in tag game line 12711 in /usr/local/www/apache24/data/tictactoe/games.xml, line: 12712 in /usr/local/www/apache24/data/tictactoe/index.php on line 54