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- 11:51, 15 December 2022 (diff | hist) . . (+132) . . Talk:2711: Optimal Bowling
- 08:00, 13 December 2022 (diff | hist) . . (0) . . m 2710: Hydropower Breakthrough (Corrected then to than)
- 10:14, 26 May 2021 (diff | hist) . . (+240) . . m Talk:2467: Wikipedia Caltrops
- 16:04, 20 August 2020 (diff | hist) . . (0) . . m 2348: Boat Puzzle (Corrected a typo - "diver" to "river")
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