20-omino, order 12, [12 by 20]

T00726 = data113/K9
data113/K9
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Geometry

For general details about this class of tiling, see.

References

Publications referenced:
  1. (From Karl Dahlke, May 1997) of B A Wichmann. The World of Patterns, World Scientific, 2001. ISBN 981024619. [wich2] {Only new patterns ascribed to this.}

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