18-omino, order 4, [8 by 9]

T00708 = data113/G09B
data113/G09B
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Geometry

For general details about this class of tiling, see.

References

Publications referenced:
  1. Page 98, Figure 149 (b) (By Klarner) of S W Golomb. Polyominoes, Revised and expanded second edition. Princeton University Press, 1994. ISBN 069102444. [golomb1]

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