MathAndCode wrote: ↑December 29th, 2020, 9:21 pm
I tried replacement catalysts, and Kazyan tried Bellman—but will anyone get this to work?
Alright. Let's think about this more. I see two main ideas on how this might be completable. Since you and Kazyan couldn't find a stable catalyst that worked, this likely implies that a new one has to be found, but the unsuccessful Bellman search implies that a deeper search would have to be done. However, I think that Kazyan might have said that increasing the max-changed or something like that by 1 increases the search time by a factor of 8. A deeper Bellman search might work, and it might be worth trying, but it might not finish in a reasonable amount of time either. Coming in from the periodic oscillator side, however, has its own difficulties. Usually, for these kinds of situations, I let the block eat something else and be done with it, like this.
Code: Select all
x = 20, y = 8, rule = LifeHistory
A13.A$.A13.A$.A13.A$2A12.2A$A2.2A9.A2.2A$3.A.A11.A$5.A13.A$5.2A!
Unfortunately, that doesn't work here!
Code: Select all
x = 31, y = 48, rule = LifeHistory
6.D$5.3D$7.2D17$7.3A$A6.ABA$2.A3.A2BA$.2A2.A3BAB2A$4.3A2BAB2A$4.A5BAB
7.2A$4.3BA2BA7.A.A$3.3BA3BA7.BA$3.3BA3BAB7.2B$4.2BA6B5.4B$5.A6BA10B$
7.4BABA9B$8.3BABA10B$8.4BA11B$8.16B$7.16B$7.3BA2BD8B$8.2BAB3D6B$8.2BA
2D8B$7.15B$8.14B2.2A$9.5B.6B.2B2AB$11.2B3.B5.4B$10.4B8.2BA$10.B2AB8.B
ABA3.B$11.2A10.AB.A.B2A$25.2BAB2A$25.2A3B$26.4B!
Next, I tried replacing the block with a simpler spark. Unfortunately, the reaction seems to be very picky about it:
Code: Select all
x = 430, y = 48, rule = LifeHistory
5.D48.D49.D48.D49.D50.D50.D49.D49.D$4.3D46.3D47.3D46.3D47.3D48.3D48.
3D47.3D47.3D$6.2D47.2D48.2D47.2D48.2D49.2D49.2D48.2D48.2D17$6.3A46.3A
47.3A46.3A47.3A48.3A48.3A47.3A47.3A$6.ABA46.ABA47.ABA46.ABA47.ABA48.A
BA48.ABA47.ABA41.A5.ABA$2A3.A2BA45.A2BA46.A2BA45.A2BA42.A3.A2BA42.A4.
A2BA47.A2BA42.A3.A2BA42.A3.A2BA$2A2.A3BAB2A38.A2.A3BAB2A42.A3BAB2A38.
A2.A3BAB2A39.A2.A3BAB2A40.A2.A3BAB2A39.A3.A3BAB2A39.A2.A3BAB2A39.A2.A
3BAB2A$3.3A2BAB2A40.3A2BAB2A39.A.3A2BAB2A38.A.3A2BAB2A41.3A2BAB2A39.A
2.3A2BAB2A40.A.3A2BAB2A38.A2.3A2BAB2A41.3A2BAB2A$3.A5BAB7.2A32.A5BAB
7.2A33.A5BAB7.2A32.A5BAB7.2A33.A5BAB7.2A34.A5BAB7.2A31.A2.A5BAB7.2A
33.A5BAB7.2A33.A5BAB7.2A$3.3BA2BA7.A.A32.3BA2BA7.A.A33.3BA2BA7.A.A32.
3BA2BA7.A.A33.3BA2BA7.A.A34.3BA2BA7.A.A34.3BA2BA7.A.A33.3BA2BA7.A.A
33.3BA2BA7.A.A$2.3BA3BA7.BA32.3BA3BA7.BA33.3BA3BA7.BA32.3BA3BA7.BA33.
3BA3BA7.BA34.3BA3BA7.BA34.3BA3BA7.BA33.3BA3BA7.BA33.3BA3BA7.BA$2.3BA
3BAB7.2B31.3BA3BAB7.2B32.3BA3BAB7.2B31.3BA3BAB7.2B32.3BA3BAB7.2B33.3B
A3BAB7.2B33.3BA3BAB7.2B32.3BA3BAB7.2B32.3BA3BAB7.2B$3.2BA6B5.4B31.2BA
6B5.4B32.2BA6B5.4B31.2BA6B5.4B32.2BA6B5.4B33.2BA6B5.4B33.2BA6B5.4B32.
2BA6B5.4B32.2BA6B5.4B$4.A6BA10B31.A6BA10B32.A6BA10B31.A6BA10B32.A6BA
10B33.A6BA10B33.A6BA10B32.A6BA10B32.A6BA10B$6.4BABA9B33.4BABA9B34.4BA
BA9B33.4BABA9B34.4BABA9B35.4BABA9B35.4BABA9B34.4BABA9B34.4BABA9B$7.3B
ABA10B33.3BABA10B34.3BABA10B33.3BABA10B34.3BABA10B35.3BABA10B35.3BABA
10B34.3BABA10B34.3BABA10B$7.4BA11B33.4BA11B34.4BA11B33.4BA11B34.4BA
11B35.4BA11B35.4BA11B34.4BA11B34.4BA11B$7.16B33.16B34.16B33.16B34.16B
35.16B35.16B34.16B34.16B$6.16B33.16B34.16B33.16B34.16B35.16B35.16B34.
16B34.16B$6.3BA2BD8B34.3BA2BD8B35.3BA2BD8B34.3BA2BD8B35.3BA2BD8B36.3B
A2BD8B36.3BA2BD8B35.3BA2BD8B35.3BA2BD8B$7.2BAB3D6B36.2BAB3D6B37.2BAB
3D6B36.2BAB3D6B37.2BAB3D6B38.2BAB3D6B38.2BAB3D6B37.2BAB3D6B37.2BAB3D
6B$7.2BA2D8B36.2BA2D8B37.2BA2D8B36.2BA2D8B37.2BA2D8B38.2BA2D8B38.2BA
2D8B37.2BA2D8B37.2BA2D8B$6.15B34.15B35.15B34.15B35.15B36.15B36.15B35.
15B35.15B$7.14B2.2A31.14B2.2A32.14B2.2A31.14B2.2A32.14B2.2A33.14B2.2A
33.14B2.2A32.14B2.2A32.14B2.2A$8.5B.6B.2B2AB31.5B.6B.2B2AB32.5B.6B.2B
2AB31.5B.6B.2B2AB32.5B.6B.2B2AB33.5B.6B.2B2AB33.5B.6B.2B2AB32.5B.6B.
2B2AB32.5B.6B.2B2AB$10.2B3.B5.4B34.2B3.B5.4B35.2B3.B5.4B34.2B3.B5.4B
35.2B3.B5.4B36.2B3.B5.4B36.2B3.B5.4B35.2B3.B5.4B35.2B3.B5.4B$9.4B8.2B
A34.4B8.2BA35.4B8.2BA34.4B8.2BA35.4B8.2BA36.4B8.2BA36.4B8.2BA35.4B8.
2BA35.4B8.2BA$9.B2AB8.BABA3.B29.B2AB8.BABA3.B30.B2AB8.BABA3.B29.B2AB
8.BABA3.B30.B2AB8.BABA3.B31.B2AB8.BABA3.B31.B2AB8.BABA3.B30.B2AB8.BAB
A3.B30.B2AB8.BABA3.B$10.2A10.AB.A.B2A29.2A10.AB.A.B2A30.2A10.AB.A.B2A
29.2A10.AB.A.B2A30.2A10.AB.A.B2A31.2A10.AB.A.B2A31.2A10.AB.A.B2A30.2A
10.AB.A.B2A30.2A10.AB.A.B2A$24.2BAB2A43.2BAB2A44.2BAB2A43.2BAB2A44.2B
AB2A45.2BAB2A45.2BAB2A44.2BAB2A44.2BAB2A$24.2A3B44.2A3B45.2A3B44.2A3B
45.2A3B46.2A3B46.2A3B45.2A3B45.2A3B$25.4B45.4B46.4B45.4B46.4B47.4B47.
4B46.4B46.4B!
Fortunately, it's not too picky. Pretty much anything that shows it a "block face" will do.
Code: Select all
x = 380, y = 48, rule = LifeHistory
5.D49.D49.D49.D49.D49.D49.D49.D$4.3D47.3D47.3D47.3D47.3D47.3D47.3D47.
3D$6.2D48.2D48.2D48.2D48.2D48.2D48.2D48.2D11$98.A$97.3A$96.A3.A$95.A
5.A93.A$95.A5.A93.3A$96.A3.A97.A$6.3A47.3A47.3A47.3A38.2A7.3A47.3A47.
3A47.3A$6.ABA47.ABA37.A3.A5.ABA39.2A6.ABA47.ABA41.A5.ABA40.2A5.ABA41.
A5.ABA$2A3.A2BA41.2A3.A2BA36.A5.A3.A2BA41.2A3.A2BA40.3A3.A2BA40.A.A3.
A2BA39.A2.A3.A2BA42.A3.A2BA$2A2.A3BAB2A37.A.A2.A3BAB2A33.A5.A2.A3BAB
2A39.A2.A3BAB2A37.3A2.A3BAB2A37.A.A2.A3BAB2A37.A.A2.A3BAB2A37.3A2.A3B
AB2A$3.3A2BAB2A37.A3.3A2BAB2A34.A3.A2.3A2BAB2A41.3A2BAB2A41.3A2BAB2A
38.A2.3A2BAB2A38.A2.3A2BAB2A41.3A2BAB2A$3.A5BAB7.2A28.2A3.A5BAB7.2A
27.3A3.A5BAB7.2A33.A5BAB7.2A33.A5BAB7.2A33.A5BAB7.2A33.A5BAB7.2A33.A
5BAB7.2A$3.3BA2BA7.A.A33.3BA2BA7.A.A28.A4.3BA2BA7.A.A33.3BA2BA7.A.A
33.3BA2BA7.A.A33.3BA2BA7.A.A33.3BA2BA7.A.A33.3BA2BA7.A.A$2.3BA3BA7.BA
33.3BA3BA7.BA33.3BA3BA7.BA33.3BA3BA7.BA33.3BA3BA7.BA33.3BA3BA7.BA33.
3BA3BA7.BA33.3BA3BA7.BA$2.3BA3BAB7.2B32.3BA3BAB7.2B32.3BA3BAB7.2B32.
3BA3BAB7.2B32.3BA3BAB7.2B32.3BA3BAB7.2B32.3BA3BAB7.2B32.3BA3BAB7.2B$
3.2BA6B5.4B32.2BA6B5.4B32.2BA6B5.4B32.2BA6B5.4B32.2BA6B5.4B32.2BA6B5.
4B32.2BA6B5.4B32.2BA6B5.4B$4.A6BA10B32.A6BA10B32.A6BA10B32.A6BA10B32.
A6BA10B32.A6BA10B32.A6BA10B32.A6BA10B$6.4BABA9B34.4BABA9B34.4BABA9B
34.4BABA9B34.4BABA9B34.4BABA9B34.4BABA9B34.4BABA9B$7.3BABA10B34.3BABA
10B34.3BABA10B34.3BABA10B34.3BABA10B34.3BABA10B34.3BABA10B34.3BABA10B
$7.4BA11B34.4BA11B34.4BA11B34.4BA11B34.4BA11B34.4BA11B34.4BA11B34.4BA
11B$7.16B34.16B34.16B34.16B34.16B34.16B34.16B34.16B$6.16B34.16B34.16B
34.16B34.16B34.16B34.16B34.16B$6.3BA2BD8B35.3BA2BD8B35.3BA2BD8B35.3BA
2BD8B35.3BA2BD8B35.3BA2BD8B35.3BA2BD8B35.3BA2BD8B$7.2BAB3D6B37.2BAB3D
6B37.2BAB3D6B37.2BAB3D6B37.2BAB3D6B37.2BAB3D6B37.2BAB3D6B37.2BAB3D6B$
7.2BA2D8B37.2BA2D8B37.2BA2D8B37.2BA2D8B37.2BA2D8B37.2BA2D8B37.2BA2D8B
37.2BA2D8B$6.15B35.15B35.15B35.15B35.15B35.15B35.15B35.15B$7.14B2.2A
32.14B2.2A32.14B2.2A32.14B2.2A32.14B2.2A32.14B2.2A32.14B2.2A32.14B2.
2A$8.5B.6B.2B2AB32.5B.6B.2B2AB32.5B.6B.2B2AB32.5B.6B.2B2AB32.5B.6B.2B
2AB32.5B.6B.2B2AB32.5B.6B.2B2AB32.5B.6B.2B2AB$10.2B3.B5.4B35.2B3.B5.
4B35.2B3.B5.4B35.2B3.B5.4B35.2B3.B5.4B35.2B3.B5.4B35.2B3.B5.4B35.2B3.
B5.4B$9.4B8.2BA35.4B8.2BA35.4B8.2BA35.4B8.2BA35.4B8.2BA35.4B8.2BA35.
4B8.2BA35.4B8.2BA$9.B2AB8.BABA3.B30.B2AB8.BABA3.B30.B2AB8.BABA3.B30.B
2AB8.BABA3.B30.B2AB8.BABA3.B30.B2AB8.BABA3.B30.B2AB8.BABA3.B30.B2AB8.
BABA3.B$10.2A10.AB.A.B2A30.2A10.AB.A.B2A30.2A10.AB.A.B2A30.2A10.AB.A.
B2A30.2A10.AB.A.B2A30.2A10.AB.A.B2A30.2A10.AB.A.B2A30.2A10.AB.A.B2A$
24.2BAB2A44.2BAB2A44.2BAB2A44.2BAB2A44.2BAB2A44.2BAB2A44.2BAB2A44.2BA
B2A$24.2A3B45.2A3B45.2A3B45.2A3B45.2A3B45.2A3B45.2A3B45.2A3B$25.4B46.
4B46.4B46.4B46.4B46.4B46.4B46.4B!
We can deduce usable sparks based off of this, here are a few.
Code: Select all
x = 131, y = 48, rule = LifeHistory
6.D49.D49.D$5.3D47.3D47.3D$7.2D48.2D48.2D17$7.3A47.3A47.3A$7.ABA41.A
5.ABA41.A5.ABA$.2A3.A2BA42.A3.A2BA42.A3.A2BA$3A2.A3BAB2A37.A.A2.A3BAB
2A39.A2.A3BAB2A$4.3A2BAB2A38.A2.3A2BAB2A38.A2.3A2BAB2A$4.A5BAB7.2A33.
A5BAB7.2A29.A3.A5BAB7.2A$4.3BA2BA7.A.A33.3BA2BA7.A.A33.3BA2BA7.A.A$3.
3BA3BA7.BA33.3BA3BA7.BA33.3BA3BA7.BA$3.3BA3BAB7.2B32.3BA3BAB7.2B32.3B
A3BAB7.2B$4.2BA6B5.4B32.2BA6B5.4B32.2BA6B5.4B$5.A6BA10B32.A6BA10B32.A
6BA10B$7.4BABA9B34.4BABA9B34.4BABA9B$8.3BABA10B34.3BABA10B34.3BABA10B
$8.4BA11B34.4BA11B34.4BA11B$8.16B34.16B34.16B$7.16B34.16B34.16B$7.3BA
2BD8B35.3BA2BD8B35.3BA2BD8B$8.2BAB3D6B37.2BAB3D6B37.2BAB3D6B$8.2BA2D
8B37.2BA2D8B37.2BA2D8B$7.15B35.15B35.15B$8.14B2.2A32.14B2.2A32.14B2.
2A$9.5B.6B.2B2AB32.5B.6B.2B2AB32.5B.6B.2B2AB$11.2B3.B5.4B35.2B3.B5.4B
35.2B3.B5.4B$10.4B8.2BA35.4B8.2BA35.4B8.2BA$10.B2AB8.BABA3.B30.B2AB8.
BABA3.B30.B2AB8.BABA3.B$11.2A10.AB.A.B2A30.2A10.AB.A.B2A30.2A10.AB.A.
B2A$25.2BAB2A44.2BAB2A44.2BAB2A$25.2A3B45.2A3B45.2A3B$26.4B46.4B46.4B
!
Sadly, any suitable spark, as far as I know. have to be complex. Now, an oscillator might be able to catalyze this by having a region of itself get hit by the reaction, where the region would break off and die off on its own anyways. However, due to the reaction lingering around for a while, I expect any such oscillator to have to be at least P5, if not any higher, and P5 is probably still an underestimate. My conclusion is that while a usable stabilization, stable or periodic, likely exists, it will be difficult to search for, but it will also likely definitely be worth it. Feel free to throw in your own ideas!