Revision history of "2005 IMO Shortlist Problems/C5"

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  • (cur | prev) 23:52, 30 September 2017NuclearFusion (talk | contribs). . (530 bytes) (+530). . (Created page with "There are <math>n</math> markers, each with one side white and the other side black. In the beginning, these <math>n</math> markers are aligned in a row so that their white si...")