9-omino, order 4, [6 by 6]

T00667 = data112/G07D
data112/G07D
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Geometry

For general details about this class of tiling, see.

References

Publications referenced:
  1. Page 97, Figure 147 (d) (Has c4 symmetry) of S W Golomb. Polyominoes, Revised and expanded second edition. Princeton University Press, 1994. ISBN 069102444. [golomb1]

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