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- 09:36, 27 July 2021 (diff | hist) . . (+820) . . 2021 IMO Problems/Problem 5
- 09:31, 27 July 2021 (diff | hist) . . (-77) . . 2021 IMO Problems/Problem 5
- 09:29, 27 July 2021 (diff | hist) . . (+5,171) . . N 2021 IMO Problems/Problem 5 (Created page with "We will start by introducing some notation. * Let the holes be denoted by <math>H_1, H_2, \dots, H_{2021}</math>. The index <math>i</math> in <math>H_i</math> is considered m...")
