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Re:Anime fans stumbled upon a mathematical proof by somenameforme on Thursday March 06, 2025 @10:24PM (#43287160)
If you're not making some joke that I'm missing it's just 10^4 = 10000, which is a just a fancier way of saying 0000-9999.
Re:Anime fans stumbled upon a mathematical proof by fc417fc802 on Friday March 07, 2025 @02:36AM (#43287982)
10^4 permutations. Which you then permute again except the second time you're overlapping them to search for the shortest possible sequence.