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https://www.fq.math.ca/Problems/AdvProbNov2022.pdf
https://www.fq.math.ca/Problems/ElemProbSolnNov2022.pdf
https://www.kappamuepsilon.org/Pentagon/Vol_81_Num_2_Spring_2022.pdf
https://www.mateinfo.ro/reviste-de-matematica/revista-de-matematica-sclipirea-mintii-issn-1716-3615/revista-sclipirea-mintii/1318-revista-de-matematica-sclipirea-mintii-nr-30/file
https://www.ssma.org/assets/docs/ProblemSolutionsSection/2022-ProblemSolutions/2022-11-Problems-Solutions-SSMJ-%23%23%23%205703-5708.pdf
https://www.awesomemath.org/wp-pdf-files/math-reflections/mr-2022-06/mr_6_2022_problems.pdf