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How many permutations can we have of:
6 distinct items arranged around a circle?
Take n distinct permutations
Arrange them around a circle
Pn = (n - 1)!
P6 = (n - 1)!
P6 = (6 - 1)!
P6 = 5!
P6 = 5 x 4 x 3 x 2 x 1
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