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- 14:42, 5 February 2021 diff hist +254 Samara Farewell Contest 2020 (XXI Open Cup, GP of Samara) →Problem M current
- 14:41, 5 February 2021 diff hist +259 Samara Farewell Contest 2020 (XXI Open Cup, GP of Samara) →Problem K
- 14:41, 5 February 2021 diff hist +8 Samara Farewell Contest 2020 (XXI Open Cup, GP of Samara) →Problem G