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In how many ways can 9 friends sit at a circular table if two of them, Anna and Bob, insist on having exactly two people seated between them? (As usual, two seatings are considered the same if one is a rotation of the other.)

 Jul 2, 2022
 #1
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The number of ways is 8!/2 = 20160.

 Jul 3, 2022
 #2
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That's incorrect

Guest Jul 3, 2022

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