Although most view tic-tac-toe as a kids game, puzzle designers see it as a canvas.

Yet members of the puzzle community continue to devise ingenious little twists to keep the game fresh and challenging.

Thesecond puzzle we ranin this series was based on tic-tac-toe.

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Image: Graphics: Vicky Leta (Getty Images)

I recommend checking it out if you missed it, because it has a wonderful premise.

With perfect play, tic-tac-toe always ends in a draw.

But what if you might play for both sides?

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Did you miss last weeks puzzle?

Check it outhere, and find its solution at the bottom of todays article.

Be careful not to read too far ahead if you havent solved last weeks yet!

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The first person to create a three-in-a-row of either key in (XXX or OOO) wins the game.

Which one of us can force a win and how?

While tinkering with diagrams will help you gain intuition, you shouldnt need to fill your notebook with them.

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Ill be back Monday with the solution and a new puzzle.

Do you know a cool puzzle that you think should be featured here?

I guess the puzzles buffaloed you all.

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That that is, is.

That that is not, is not.

In other words, Everything that exists, must exist.

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Everything that does not exist, must not exist.

Is that all I have to say?

James, while John had had had, had had had had.

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Had had had had a better effect on the teacher.

For this one, imagine that James and John both took a grammar test in class.

The teacher preferred the latter.

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In our punctuated sentences, the words in quotes represent what the boys had written on their test.

Answer: The notable doctor was not able to operate on the patient because there was no table.

Divisible by Zero made an interesting case for the word good fitting the sentence as well.

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They write:

The good doctor was good to operate on the patient because there was good.

good as in skilled or moral, good as in willing, and good as in There was good.

There were things in-between.

Hp14

News from the future, delivered to your present.

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