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                    NOTES
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These patterns come from Bitstorms Lexicon
(https://bitstorm.org/gameoflife/lexicon/),
a very comprehensive archive of the most common
shapes.

Not all of them are equally interesting, e.g.
the many stable variants actually do nothing,
while others may only have some significance
as part of a larger structure.

However, there are many really stunning shapes,
that either evolve or oscillate in a fascinating
way.

The internet page can be examined for comments
and explanations. Be aware: it's a huge page!