except that line 13 seems to violate that, it seems to violate that principle.

除了第13行仿佛违反了规则，没有遵照这个原则。

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So the fact that line 9 did not match, if you find a matching sock which we didn't, that means we immediately jump to the else which is line 13 and so Philip now has to do what?

事实上，第九行我们没法匹配，如果你没找到匹配的袜子，这意味着我们立即跳转到第13行,所以现在Philip做什么？

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