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P1 Slow salvo

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P1 Slow salvo

Postby Redstoneboi » May 21st, 2018, 10:01 pm

I've tried to enumerate all possible collisions that result in either still lives or space, starting from a block.
So far:
x = 490, y = 180, rule = LifeHistory
278.2D$278.2D$276.2D2.2D$276.2D2.2D$276.2D2.2D$276.2D2.2D$278.2D$278.
2D3$268.4D14.4D$268.4D14.4D$266.2D4.2D10.2D4.2D$266.2D4.2D10.2D4.2D$
268.4D14.4D$268.4D14.4D3$278.2D$278.2D$276.2D2.2D$83.4D189.2D2.2D$83.
4D189.2D2.2D$83.4D189.2D2.2D$83.4D191.2D$278.2D5$185.2D$185.2D$183.2D
2.2D83.A33.D$183.2D2.2D84.A31.D.D75.D30.D$183.2D2.2D82.3A2.A28.D.D74.
D.D28.D.D$183.2D2.2D86.A.A28.D75.D.D28.C.D$185.2D88.A.A26.A31.A46.D
30.C$185.2D89.A25.A.A5.2D25.A39.2D2.A30.3A$303.2A4.D2.D22.3A38.D2.C.A
5.2D20.2D5.A.2D$271.2A7.2C15.2A7.2C2.2D65.2D.2A4.D2.D18.D2.D3.A.C2.D$
270.A2.A5.C2.C13.A2.A5.C2.C20.2C7.2A43.2A2.2D20.2D4.A.A2D$271.2A7.2C
14.DCA7.2C20.C2.C5.A2.A41.A2.A30.A$296.2D31.2C7.2A43.2A29.D$87.D188.C
25.A110.D.D4.2C$86.D.D186.C.C23.ADA30.A44.A33.D.D3.C2.C$86.D.D97.D88.
C.C23.C.C29.A.A42.A.A33.D5.2C$87.D97.D.D88.C25.CD29.A.A42.A.A$185.C.D
146.A44.A$68.A.A11.2D2.A.A2.2D11.A81.C$69.2A10.D2.D2.2A.D2.D8.A.A79.
3A$66.2D.A12.2D3.A3.2D10.2A76.2D5.A.2D$66.2D112.D2.D3.A.C2.D$67.2A17.
AC17.2A74.2D4.A.A2D$67.2A17.CAD16.2A81.A$86.D.D97.D$87.D97.D.D$185.D.
D$186.D6$190.A7.A$188.A.A5.A.A$189.2A6.2A2$170.2D16.A10.A11.A$170.2D
15.A.A8.A.A5.CD2.ADC$187.A.A7.DC.A4.D.AC.ADC$188.A8.2DA5.D2AD2.A$171.
2D17.2D14.2D$171.2D17.2D$8.4D$8.4D$8.4D179.2D$8.4D179.2D2$303.4D6.4D$
303.4D6.4D82.2D$301.2D4.2D4.4D81.D2.D$10.4D287.2D4.2D4.4D82.2D$10.4D
287.2D4.2D$10.4D287.2D4.2D$10.4D175.A9.A103.4D87.D$187.A.A7.A.A18.A
84.4D86.D.D$188.2A8.2A16.A.A174.D.D$217.2A175.D88.D$188.A10.A11.A8.A
195.D65.D.D$187.A.A8.A.A9.A.A6.A.A180.A12.D.D45.2D18.2D$187.A.A8.A.A
5.A3.A.A6.A.A98.A19.A22.A.A18.A.A16.A12.D26.A.A17.2D$188.A10.A7.2A2.A
8.A79.A20.A16.A.A23.2A19.2A14.3A40.2A$206.2A93.A17.2CA17.2A23.A20.A
55.2D.A38.2A3.2A$283.2A3.2A9.3A17.2D2.2D16.2D18.D79.2D35.A3.A2.A2.2A$
282.A2.A2.2A13.2A3.2C12.ACD2.2C12.2C3.2A12.D.D2A3.2A11.2D2A3.2A8.2A3.
2A32.2C3.2A35.2A.A2.A$278.A3.A2.A16.A.DC2.2C11.A2.A2.2C11.A2.A2.2A12.
D.C2.A2.2A10.D.AD.A2.2A7.A2.A2.2A31.C2.C2.2A34.2A3.2A$279.2A2.2A17.AD
.C15.A.DC15.A2.A17.DA2.A15.DC2.A11.A2.A35.C2.C$278.2A23.2C17.ACD16.2A
20.2A18.2A13.2A37.2C2$35.D$34.D.D$34.D.D$35.D$39.D14.D$15.A.A12.2D2.A
.A.D.D12.D.D$16.2A11.D2.D2.2A.D.D12.D.D$16.A13.2D3.A3.D14.D2$4.2A11.
2A15.2A13.2D2.A3.ACD17.2C201.4D$A3.2A11.2A15.2A12.D2.D2.2A.CA.D16.2C
201.4D$.2A46.2D2.2A3.2D218.2D4.2D$2A276.2D4.2D$5.2A11.2A15.2A17.D3.2A
18.2A198.2D4.2D118.A$5.2A11.2A15.2A16.D.D2.2A14.A3.2A198.2D4.2D119.A$
53.D.D19.2A203.4D119.3A$54.D19.2A204.4D4$410.2A$410.2A$406.2A$405.A2.
A$405.AD.A$283.A.A119.DAC$284.2A42.4D73.D2.D$284.A43.4D74.2D$320.4D4.
4D$285.2A33.4D4.4D$284.A.DC30.2D2.2D$284.A.DC30.2D2.2D$285.2A31.4D$
318.4D8$322.2D$318.2D2.2D$318.2D3$354.A.A$319.A.A33.2A$320.2A33.A$
320.A55.A$323.2A31.2A19.A.2D3.2A$319.2A2.2A27.2A2.2A17.3A.DCA2.2A$
318.A.A30.A.A25.A.A$318.2A31.2A26.2A8$318.2D$314.2D2.2D$314.2D7$400.A
.A$401.2A$401.A4$417.DCA$414.2AD.AC$406.2D5.A.A.D.D$405.D2.D4.2A3.D$
406.2D!
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Re: P1 Slow salvo

Postby dvgrn » May 21st, 2018, 10:27 pm

Redstoneboi wrote:I've tried to enumerate all possible collisions that result in either still lives or space, starting from a block.

With the gliders all coming from one direction, right? Paul Chapman did this search fairly thoroughly, some years ago -- 2004, it looks like.

Check out Patterns/HashLife/loafer-gun-p8388608-linear.mc.gz. Except for a couple of period-2 recipes right at the beginning of the cycle to move the final leftover block back into its starting position, that whole recipe is a P1 slow salvo. You'll see most of the constellations you've collected so far, showing up at one point or another in the recipe -- the construction restarts with a leftover block after each component block is placed in the loafer seed.

Nowadays probably the most complete database is the one you can get by downloading calcyman's 'slmake' and pruning off all the branches of the tree that have period-2 intermediate targets.
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