Prefect colouring, 7 colours

T01360 = data171/DFH7
data171/DFH7
(Click on image for high-quality PDF version)

Geometry

For general details about this class of tiling, see.

References

Publications referenced:
  1. of Dirk Frettlöh. Counting perfect colourings of plane regular tilings, Zeitschrift für Kristallographie, 2009. [frettloeh] {To be published} Available on Internet.

v43