Tuesday, December 1, 2020



The Rules

This puzzle abhors anything three in a row—an O or an X. To solve the puzzle, you have to fill in the 10x10 board so that no O or X is tripled—vertically or horizontally (but diagonally is fine). The other trick is that every row and column has the same number of X's and O's—5 and 5.

Armed with just this information, you have all you need to solve the puzzle, but here's a quick tip. Anything that is two in a row indicates that the next entry must be the opposite. Look for two-in-a-row X's or O's already on the game board and fill in from there.

Think you can solve it? Give it a try...


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