We can do that sort of: When you play tic-tac-toe with your seven-year old nephew or niece, you just look ahead and work backwards.

我们可能会这么做,当你和你七岁大的侄子或侄女,下三子棋的时候,你就会先预测,然后想

耶鲁公开课 - 死亡课程节选

So-called "tic-tac-toe" goals, in which a power-play unit whisks the puck around until a perfect shot comes up, are rare.

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Buffalo managed six shots over the next two minutes, including Ott's go-ahead goal to cap a tic-tac-toe play.

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Dr Stojanovic and his colleague Joanna Macdonald have used this approach to build simple DNA-based circuits capable of playing tic-tac-toe (though they take about half an hour to make each move).

ECONOMIST: DNA computing