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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:14, 2 January 2019 | 1,054 × 500 (13 KB) | TilmannR | {{Information |description ={{en|1=Romik's ambidextrous sofa, a lower bound for {{w|Moving_sofa_problem#Ambidextrous_sofa|a variant of the moving sofa problem}}.}} |date =2019-01-02 |source ={{own}} |author ={{U|TilmannR}} }} Category:Recreational mathematics Category:Couches |
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