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class Solution:
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    def getMaxLen(self, words):
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        max_len = 0
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        for word in words:
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            max_len = max(max_len, len(word))
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        return max_len
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    def printVertically(self, s: str) -> List[str]:
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        words = s.split()
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        max_len = self.getMaxLen(words)
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        res = list()
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        for i in range(max_len):
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            s = ""
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            for word in words:
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                if i < len(word):
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                    s += word[i]
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                else:
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                    s += " "
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            s = s.rstrip()
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            res.append(s)
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        return res