MAKE A MEME View Large Image 3-crossing Heawood graph.svg Heawood graph drawn with three crossings Topologically this is the same embedding as the one in File Heawood graph crossing number svg but it shows some of the symmetries of the embedding more clearly own David ...
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Keywords: 3-crossing Heawood graph.svg Heawood graph drawn with three crossings Topologically this is the same embedding as the one in File Heawood graph crossing number svg but it shows some of the symmetries of the embedding more clearly own David Eppstein 2010-03-27 Heawood graph Files by User David Eppstein from en wikipedia
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