// 步骤4：当前索引入栈 → 作为前面位置（i-1、i-2等）的"参考身高"
Single-character pairs only. Multi-character confusables (rn vs m, cl vs d) are outside scope. These are a known gap in confusables.txt itself.
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Жители Санкт-Петербурга устроили «крысогон»17:52
Here are today's Connections: Sports Edition categoriesNeed a little extra help? Today's connections fall into the following categories:
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