File:Penny graph 11 nodes.svg

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Description
English: A penny graph with 11 vertices and 19 edges that requires four colors in any graph coloring. Another version of en:File:Penny graph.jpg
Date
Source Diagram made with Inkspace inspired by David Eppstein's photo at File:Penny graph.jpg
Author Syp


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22 August 2017

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Date/TimeThumbnailDimensionsUserComment
current13:33, 22 August 2017Thumbnail for version as of 13:33, 22 August 2017543 × 362 (6 KB)Syp{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|A penny graph with 11 vertices and 19 edges that requires four colors in any graph coloring. Another version of en:File:Penny graph.jpg}} |Source = Diagram made with Inksp...
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