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Image: Kempe Chain

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Original image(692 × 628 pixels, file size: 29 KB, MIME type: image/png)

Description: A graph containing a Kempe Chain consisting of alternating blue and red vertices. Kempe Chains like this one were used in attempts at proving the four color theorem.
Title: Kempe Chain
Credit: Own work
Author: IntegralPython
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes

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