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Enumerating Pi + SL Collisions

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Enumerating Pi + SL Collisions

Postby Hdjensofjfnen » August 14th, 2018, 9:25 pm

I'd like to try to enumerate the possible pi and SL collisions in Life. They sometimes yield interesting stuff, like this one by the MIT group (1971):
x = 8, y = 5, rule = B3/S23

And a boat doubler and (9,11) shifter:
x = 37, y = 7, rule = B3/S23

The ones posted use boats, but this thread isn't limited to them.

EDIT: Would had been pi to pulsar had it not had too little room:
x = 9, y = 3, rule = B3/S23
Life is hard. Deal with it.
My favorite oscillator of all time:
x = 7, y = 5, rule = B3/S2-i3-y4i
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