快速交替按下方向键左右，小人就会开始跑步，此时，玩家可以发现画面左上方的圆盘中，指针开始顺时针方向运动。

Quick turn around key press, bad people will begin to jog at this time, the player can be found in the top left picture disc, pointer began a clockwise dir.

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如果你带着一张废纸，假如你已经按如下方式启动了您的程序。

If you have a piece of scrap paper with you, suppose that you've started your program as follows.

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按如下方式为各字段赋值。

Assign the fields as shown below.

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