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Bill has a set of encyclopedias with 26 volumes, one per letter of the

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Bill has a set of encyclopedias with 26 volumes, one per letter of the alphabet. He has a special shelf built for them with 26 slots in a row, each labeled alphabetically. After moving to a new house, Bill is faced with the task of putting the books back in their proper slots. He decides to do it in such a way that, during the process, there is never a gap between any of the books that are on the shelf. That is, each book he puts back after the first one is adjacent to a book that is already on the shelf. If he can start with any of the 26 books, how many ways can Bill accomplish his task?

A. \(26!\)

B. \(2^{25}\)

C. \(24!\)

D. \(26^2\)

E. \(14!12!\)


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