Try writing a program to generate for simple cases and check that your output agrees with the example cases; this will confirm you've understood the problem and are heading in the right direction.

可以编写一些简陋的程序来满足那些简单的示例，对比程序的输出和示例的答案，这样你就可以确认自己理解了题目的要求，并且找到正确的方向。

youdao

The "current" location is then incremented by the specified length towards the right of the image, and the process is repeated. After writing out the image, the program finishes, producing this output

然后，把 “当前” 位置朝图像的右侧增加指定的长度，并重复执行此过程。

youdao

Still, after she noticed one home-based employee's output lagging for several months, the program enabled her to see that the employee was spending a lot of time writing Word documents, something not required for her job.

WSJ: 'Working From Home' Without Slacking Off