File:Penny graph 11 nodes.svg

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Original file(SVG file, nominally 543 × 362 pixels, file size: 6 KB)

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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


Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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Date/TimeThumbnailDimensionsUserComment
current13:33, 22 August 2017Thumbnail for version as of 13:33, 22 August 2017543 × 362 (6 KB)Syp (talk | contribs){{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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