Prefect colouring, 4 colours
data171/DFH4
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Geometry
- 63, with colouring added.
For general details about this class of tiling, see.
References
Publications referenced:
- of Dirk Frettlöh. Counting perfect colourings of plane regular tilings, Zeitschrift für Kristallographie, 2009. [frettloeh] {To be published} Available on Internet.
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