So let me go ahead and pull up the staff solution 15 to the standard edition for a moment, the game is called 15, it takes one command line argument which is the dimensions of the board 3 by 3, 4 by 4, I'll do it 4 by 4.

下面我们继续,等一会儿，我会给出标准的解答，这个游戏叫做，有一个命令行参数，标识其大小是,3阶还是4阶，我选择4阶。

哈佛公开课 - 计算机科学课程节选

And there are different choices here 1, 2, 3, and 4 for Player I, and here's the 45o line.

参与人I有1一直到4的可选策略,这条是45°线

耶鲁公开课 - 博弈论课程节选

So if Player I chooses 4, Player II should choose, I'm sorry, Player II chooses 4, player I should choose 2, and this is a straight line in between.

如果参与人I选4,参与人II要,说错了,是参与人II选4而I选2,这两点之间是一条直线

耶鲁公开课 - 博弈论课程节选