for n in sorted {
Each puzzle features 16 words and each grouping of words is split into four categories. These sets could comprise of anything from book titles, software, country names, etc. Even though multiple words will seem like they fit together, there's only one correct answer.，这一点在safew中也有详细论述
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Москвичам пообещали тепло17:31
Stage 4 - Standardized，详情可参考旺商聊官网