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方笼里有两条狗,现在有8根肉骨头,分食给两条狗,每条狗4根,你看怎样走才能办到,记住,路线不可重复或交叉。
There are two dogs in the cage, there are eight meat bones, eat two dogs, each dog 4, you can see how to do it, remember, the route is not repeatable or cross.