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current | 05:06, 16 February 2007 | 201 × 200 (5 KB) | Inductiveload | ((Information |Description=Diagram showing a refutation of a false disproof of the four Colour Theorem. |Source=Based on a [http://en.wikipedia.org/wiki/Image:4ct-non-counterexample.png this raster image]] by [http://en.wikipedia |
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