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Circular shifts to the left,
i.e. permutations whose cycle notation is of the form :
A007489 = 0, 1, 3, 9, 33, 153, 873, 5913...
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Circular shifts to the right,
i.e. permutations whose cycle notation is of the form :
A001563 = 0, 1, 4, 18, 96, 600, 4320, 35280...
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