File:Wheat and chessboard problem.jpg
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current | 10:38, 6 September 2017 | 1,744 × 1,296 (557 KB) | AnonMoos | losslessly cropping margins | |
21:05, 14 May 2016 | 1,920 × 1,440 (566 KB) | McGeddon | User created page with UploadWizard |
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