#N rectangle-with-crystallographic-defect.rle
#O Connor Steppie, 29 June 2018
#C
#C This rotationally symmetric pattern contains two "phases" of a
#C period-2 checkerboard agar conflicting with each other across a
#C river-like curve of intersection, resulting in the size of the
#C violently gyrating rectangle containing this river changing
#C erratically.
#C
#C For another crystallographic defect demonstration, refer to
#C moving-crystallographic-defects.rle.
#C
#C Reference:
#C https://conwaylife.com/forums/viewtopic.php?p=61470#p61470
x = 134, y = 141, rule = B2e3-nqry4ejkry5ck6cn/S2aik3aen4jwz6c7c8
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