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impl Solution {
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  pub fn find_substring_in_wrapround_string(s: String) -> i32 {
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    let mut res: std::collections::HashMap<u8, i32> = s.bytes().map(|b| (b, 1)).collect();
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    let mut l = 1;
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    for (i, j) in s.bytes().zip(s.bytes().skip(1)) {
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      l = if i == j - 1 || i == j + 25 { l + 1 } else { 1 };
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      res.insert(j, res[&j].max(l));
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    }
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    return res.values().sum();
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  }
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}