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10:04, 28 September 2023 (diff | hist) . . (-468)‎ . . 1977 Canadian MO Problems/Problem 1 ‎
09:47, 28 September 2023 (diff | hist) . . (+469)‎ . . 1977 Canadian MO Problems/Problem 1 ‎ (Fixed typo and added a third solution)

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