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Summary

DescriptionClass-2-planar-3-regular.svg
English: A 3-regular planar graph that requires four colors in any edge coloring
Date
Source Own work
Author David Eppstein

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
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.

http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse

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Date/TimeThumbnailDimensionsUserComment
current20:58, 3 August 2011 Thumbnail for version as of 20:58, 3 August 2011 360 ×ばつ 322 (4 KB)David Eppstein {{Information |Description ={{en|1=A 3-regular planar graph that requires four colors in any edge coloring}} |Source ={{own}} |Author =David Eppstein |Date =20

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