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.
Like the Shadow Robot hand, Lepora works on hands with "tendons" that move the fingers.
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* 时间复杂度:O(n),空间复杂度:O(n)
Subsequent check processing systems gained support for MICR, eliminating much