5^n mod 22. 1, 5, 3, 15, 9, 1, 5, 3, 15, 9, 1, 5, 3, 15, 9, 1, 5, 3, 15, 9, 1, 5, 3, 15, 9, 1, 5, 3, 15, 9, 1
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