So if I had drawn that better it would look as if this was half of this distance, but I didn't draw it well.

如果我画得准确的话,这段应该是整段长度的一半,不过我没画好

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I didn't just make it one smaller, I made it a half smaller. That's a nice deal.OK.

我把它的规模减半了，这太棒了，好，但是我不会直接处理b是偶数这种情况的。

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