5-omino, order 21, [7 by 15]

T01398 = data172/L57B15
data172/L57B15
(Click on image for high-quality PDF version)

Geometry

For general details about this class of tiling, see.

References

Publications referenced:
  1. From Erich Friedman's web site (Actual order 2) of Not specific. Personal Communication, Information sent to the author, 21c. [pc]

v42