Search found 171 matches

by Katrina
Yesterday, 9:02 am
Forum: Other Cellular Automata
Topic: Thread for basic non-CGOL questions
Replies: 1691
Views: 482460

Re: Thread for basic non-CGOL questions

Can B345/S345 have any spaceships? A lot of times you get partials like this:
x = 87, y = 95, rule = B345/S345
70bo8bo$70bobo4bobo$68b4o2b2o2b4o$68b3o2bo2bo2b3o$66b5o8b5o$65b4obo3b
2o3bob4o$65bobob2o8b2obobo$64b4ob2o2b4o2b2ob4o$64b8o6b8o$65b7ob4ob7o$
64bob6o6b6obo$6b4o55b4ob4o2b4ob4o ...
by Katrina
October 12th, 2026, 7:26 pm
Forum: Other Cellular Automata
Topic: OCA Discovery of the Year 2025 Nominations
Replies: 20
Views: 3045

Re: OCA Discovery of the Year 2025 Nominations


Lowest periods INT SMOS and SMOSMOS
P5 SMOS (From deleted user on discord) (Would need to repost here and find the identity of the deleted user if we were to use in the nomination)
https://discord.com/channels/357922255553953794/370571046971244545/1412644518058004543


Credit me for it. That ...
by Katrina
October 12th, 2026, 1:30 pm
Forum: Other Cellular Automata
Topic: Outer-totalistic hexagonal rules with spaceships
Replies: 78
Views: 25314

Re: Outer-totalistic hexagonal rules with spaceships

Smaller (2,1)c/5
Used multiple LLSSS commands.
LSSS_HALT_ON_ENDS=true LLSSS_MAX_TABLE_SIZE=23 ./rlife llsss-recentering --pre-reify-autochoke 512MB --rule 'B2/S25H' raw:1:0:0:-2:-3:5:0:1:0 (@bg or 0.in) __
x = 64, y = 101, rule = B2/S25H
2b2o$b2obob3o$b2o3bobo$bobo5bo$4bo2b2o2bo$bo6b6o ...
by Katrina
October 12th, 2026, 6:54 am
Forum: Other Cellular Automata
Topic: Crystal Chaos Collapse Contemplation Center
Replies: 16
Views: 5047

Re: Crystal Chaos Collapse Contemplation Center

c/23o in this rule:

Code: Select all

x = 13, y = 5, rule = R2,C0,S4-7,9-12,B4,11-12,NB
bo3bobo3bo$o4b3o4bo$2bobobobobo$2bo3bo3bo$3bo5bo!
by Katrina
October 11th, 2026, 10:42 am
Forum: Other Cellular Automata
Topic: Ships with speed between c/2 and c
Replies: 115
Views: 43616

Re: Ships with speed between c/2 and c

Really small 3c/5o rake
x = 33, y = 34, rule = B26/S5
14bo3bo2$14bo3bo$11b4o3b4o$10bo2bo5bo2bo$13b7o$10bobo7bobo2$6b4obo9bob
4o$8bo15bo$3bo4bobo2bo5bo2bobo4bo$4bo3bo3bobo3bobo3bo3bo$2b2obo6bo7bo
6bob2o$bo3bo21bo3bo$b3o4bo2bo9bo2bo4b3o$2o5bo17bo5b2o$6bo2bo13bo2bo$5b
3o2bo11bo2b3o$o9bo2b3ob3o2bo9bo ...
by Katrina
October 9th, 2026, 11:10 am
Forum: Other Cellular Automata
Topic: DualWars and variants (B2ei3aeijr4eikrz5aciky6-ik7c8/S1e2ik3ejnqr4-ckntz5cknqy6-ei78)
Replies: 3
Views: 186

Re: DualWars and variants (B2ei3aeijr4eikrz5aciky6-ik7c8/S1e2ik3ejnqr4-ckntz5cknqy6-ei78)

Here's a very different rule with the same premise. It only has stripes and vacuum, but it has interesting growth.
x = 0, y = 0, rule = B2e3acin4-qrwy5-ejkq6-en7e8/S1c2en3ejkq4jnqw5-acin6-e78
!
[[ RANDOMIZE RANDWIDTH 100 RANDHEIGHT 100 ]]

Spaceships (none exist in the stripes dual):
x = 92, y ...
by Katrina
October 8th, 2026, 2:39 pm
Forum: Other Cellular Automata
Topic: DualWars and variants (B2ei3aeijr4eikrz5aciky6-ik7c8/S1e2ik3ejnqr4-ckntz5cknqy6-ei78)
Replies: 3
Views: 186

DualWars and variants (B2ei3aeijr4eikrz5aciky6-ik7c8/S1e2ik3ejnqr4-ckntz5cknqy6-ei78)

DualWars: Rule with competing duals

x = 0, y = 0, rule = B2ei3aeijr4eikrz5aciky6-ik7c8/S1e2ik3ejnqr4-ckntz5cknqy6-ei78
!
[[ RANDOMIZE RANDWIDTH 64 RANDHEIGHT 64 ]]


I golfed this rule using a script to flip self-complementary rule transitions. This rule has amoeba-like growth on a vacuum, with ...
by Katrina
October 8th, 2026, 10:24 am
Forum: Other Cellular Automata
Topic: Ships with speed between c/2 and c
Replies: 115
Views: 43616

Re: Ships with speed between c/2 and c

2c/5d searches give the best partials in the rule space B25(678)/S4(5678). (with one or more of S5, S6)
x = 95, y = 95, rule = B25/S456
16b3o$16bo2bo$14b2ob2ob2o$13bo2bo6bo$15bo3bob3obobo$16bobo2b5o$15b2o5b
ob3obo$14bobo3bo2b2ob3o$15bo4bo3bob2obo$16bo2bo4b3obo$24b2obobobo$11bo
b2o4b4ob2ob2ob2obo ...
by Katrina
October 7th, 2026, 8:05 pm
Forum: Other Cellular Automata
Topic: Ships with speed between c/2 and c
Replies: 115
Views: 43616

Re: Ships with speed between c/2 and c

self-complementary 3c/4o partial:
x = 72, y = 152, rule = B2568/S14578
32bo6bo$30b2o2bo2bo2b2o$33b2o2b2o$28b3obob4obob3o$29b4o2b2o2b4o$30b3o
2b2o2b3o$26bo3bo2b6o2bo3bo$28bobobo2b2o2bobobo$25b2o3b12o3b2o$24bo3bob
o10bobo3bo$23bob2o7bo2bo7b2obo$24b2obo2b2o3b2o3b2o2bob2o$24bobo4b2o2b
2o2b2o4bobo ...
by Katrina
October 3rd, 2026, 7:02 pm
Forum: Other Cellular Automata
Topic: HROT,NW (Higher-range outer-totalistic, weighted)
Replies: 168
Views: 66226

Re: HROT,NW (Higher-range outer-totalistic, weighted)

This rule looks like an alternating R1 INT rule at double speed for some reason. It's also self-complementary.

Code: Select all

#R R2,C0,S1-4,13-19,22-28,B7-8,16-23,28,NW0010002420140410242000100
!
[[ RANDOMIZE RANDWIDTH 100 RANDHEIGHT 100 RANDFILL 50 ]]
by Katrina
August 16th, 2026, 8:56 pm
Forum: Other Cellular Automata
Topic: Simple Ruletables
Replies: 35
Views: 3884

Re: Simple Ruletables

Pi Rep-tomino (except it's not a heptomino as the predecessor)

x = 4, y = 3, rule = pi_rep
3A$3A$A2.A!
@RULE pi_rep

@TABLE
n_states:3
neighborhood:Moore
symmetries:permute

var a={0,1,2}
var b=a
var c=a
var d=a
var e=a
var f=a
var g=a
var h=a
var i=a

0,1,1,1,0,0,0,0,0,1
0,1,1,1,1,1,1,a,b,2
2,1,a ...
by Katrina
August 10th, 2026, 8:28 am
Forum: Other Cellular Automata
Topic: Thread For Your Unrecognised CA
Replies: 3903
Views: 1404515

Re: Thread For Your Unrecognised CA

What the hell is this rule (originally MAPgggggg (von Neumann), but converted to Moore for extra compatibility)
Indescribable photon wick mess things.
x = 65, y = 3, rule = MAPzAAAzAAAzADMAADMAADMAADMAADMAADMAMwAAMwAAMzMAADMAADMAMwAAMwAAMwAAMwAAMwAAMwAzAAAzAAAzA
o11bo9bo2bo10bob2obo12bobobo3bobo ...
by Katrina
August 10th, 2026, 7:56 am
Forum: Other Cellular Automata
Topic: Thread for basic non-CGOL questions
Replies: 1691
Views: 482460

Re: Thread for basic non-CGOL questions


Are spaceships possible in either of these rules?

MAPAj8PAX6IQhRIiAYFSgEnFAiJFQVQCKCEdhBixcgA5RQBlgwBCBTgECaQwEGIDSEUyJmWAchIQaTkWKJQAwgiJA
MAPAj8PAX6IQhRIiAYFSgEnFAiJFSVQCKCEdhBixcgA5RQBngwBCBTgECaQwEGIDSEUyJmWAchIQaTkWKJQAwgiJA


Yes.
x = 8, y = 9, rule ...
by Katrina
August 9th, 2026, 1:15 pm
Forum: Other Cellular Automata
Topic: Simple Ruletables
Replies: 35
Views: 3884

Re: Simple Ruletables

Chaotic replicator and a handful of spaceships, 5 lines and 3 states
x = 76, y = 8, rule = Kat1
63.A$58.A$33.A2.A27.A$A2.A29.A15.B.B12.A$A2.BA29.3B.A5.A6.B4.A.2B2.3B
$.B34.B7.A11.A4.B10.A2.A$2.B33.B8.2B10.2B4.A8.A$3.2A32.2A9.2A10.2A11.
2B!
@RULE Kat1

@TABLE
n_states:3
neighborhood:Moore
symmetries ...
by Katrina
August 9th, 2026, 12:42 pm
Forum: Website Discussion
Topic: Signature Spamdexing on Forums
Replies: 6
Views: 509

Re: Signature Spamdexing on Forums


Its clear now this is not the case, we're getting attacked by a LLM-based spambots that are very convincing up until the point they post the spam link. I am fooled my then in all three times.


I wouldn't be fooled if it said "I've been experimenting with Still Life and was wondering how well it ...
by Katrina
August 8th, 2026, 6:48 pm
Forum: General Discussion
Topic: Strangest CA-related mathematical coincidences?
Replies: 24
Views: 21929

Re: Strangest CA-related mathematical coincidences?

I don't even know if this makes sense for this channel, but if you run a pattern in B3/S234 for long enough it very closely approximates a circle.
by Katrina
August 8th, 2026, 6:36 pm
Forum: Scripts
Topic: amling search program principles discussion / brain dump
Replies: 627
Views: 158088

Re: amling search program principles discussion / brain dump


I think a more layman explanation would be very tough to give.


I can very barely understand what LSSS is doing and how LLSSS is similar. However when many of the features completely surpass the features LSSS already has, including stuff like recentering, even the size of the source code, it ...
by Katrina
July 26th, 2026, 2:21 am
Forum: Other Cellular Automata
Topic: 1and0nlycordershippr’s Garden Of Rules
Replies: 8
Views: 249

Re: 1and0nlycordershippr’s Garden Of Rules

Fun objects:

x = 126, y = 68, rule = MAPARMTNxM2N34TNjd+Nmx+7DZsfuxsyOzIbMjsyMiAyIATNjd+Nmx+7DZsfuxsyOzIbMjsyMiAyIDIgMiAgACAAA
bo4b2o4b2o4bo4bo4bo5b2o4bo3bo4b2o7bo5b4o6bo4b4o15bo4bo$3o2b4o2b4o2b3o
2b3o2b3o3b4o2b2o3b2o3b2o5bo3bo4bobo4bo6bo2bo9b3o2b3o2b3o10b2o6b2o$obo ...
by Katrina
July 26th, 2026, 1:50 am
Forum: Other Cellular Automata
Topic: 1and0nlycordershippr’s Garden Of Rules
Replies: 8
Views: 249

Re: 1and0nlycordershippr’s Garden Of Rules

NNlk05 wrote: July 26th, 2026, 1:03 am Since this is a R1 weighted rule with symmetric weights, there should be a corresponding INT rule.

Code: Select all

1 2 1
1 C 1
1 2 1
This would only allow MAP rules because this is D2 symmetric, not D8

Code: Select all

MAPARMTNxM2N34TNjd+Nmx+7DZsfuxsyOzIbMjsyMiAyIATNjd+Nmx+7DZsfuxsyOzIbMjsyMiAyIDIgMiAgACAAA
by Katrina
July 21st, 2026, 12:34 pm
Forum: The Sandbox
Topic: Search Program Reviews
Replies: 1
Views: 106

Search Program Reviews

Search Program Review: LLSSS

Katrina Pleasedon'tstalkme
Please don't stalk me, Earth
✭✭✭☆☆ - 7/21/2026

This program is good, but it is very intensive on even medium-end computers. While attempting to find a 2c/5d in B256/S4568 in w19 with LLSSS my computer managed to restart itself due to the ...
by Katrina
July 16th, 2026, 3:12 pm
Forum: Help / Support
Topic: Problems with software
Replies: 57
Views: 13959

Re: Problems with software

How are people using apgsearch with B0 rules? Whenever I run them I always get an error.

A lot of hauls seem to be from apgsearch version 5, as recently as 2021-2022.
https://catagolue.hatsya.com/rules/lifelike
https://catagolue.hatsya.com/rules/lifelike
apgsearch_b0.png (16.87 KiB) Viewed 252 times
apgsearch_error.png
apgsearch_error.png (24.27 KiB) Viewed 252 times
by Katrina
July 13th, 2026, 5:05 am
Forum: Other Cellular Automata
Topic: Rules with interesting replicators
Replies: 550
Views: 221346

Re: Rules with interesting replicators

I have no idea

Code: Select all

x = 2, y = 3, rule = B2ce3c/S1
o$bo$o!
Edit: similar one

Code: Select all

x = 2, y = 3, rule = B2ce4y5k/S1
o$bo$o!
by Katrina
July 4th, 2026, 7:00 pm
Forum: Other Cellular Automata
Topic: Spaceships made up of other spaceships (SMOS)
Replies: 331
Views: 179848

Re: Spaceships made up of other spaceships (SMOS)

Gun made of replicator made of spaceships.
AKA: Glider Gun

x = 50, y = 51, rule = B3aeijn4jw5ij6-i7e8/S2-c3jknqr4-ekny5-inqr6aik
21bo12bo$21bobo8bobo$21b2o10b2o3$10bo$9b2o$5bobo3bo9b2o10b2o$6b6o9bobo
8bobo$3bo3bo3bo9bo12bo$5b3o4bo$7b2obo$7b2o$7b2o$4bo3bo31b2o6b2o$7bo33b
2o4b2o$5bo2bo31bo8bo7 ...
by Katrina
June 16th, 2026, 4:19 pm
Forum: Other Cellular Automata
Topic: Outer-totalistic hexagonal rules with spaceships
Replies: 78
Views: 25314

Re: Outer-totalistic hexagonal rules with spaceships

(4, 2)c/4 spaceship according to square grid.
edit: it's p2 photon on hex
x = 22, y = 25, rule = B01/S0235H
4b2ob2ob2o$6bo3bo$3b2obob2obob2o$5b3o2b4o$3bob3o4b3obo$6bo7bo$10b2obo$
b2o2bob3o2bo4bo$4bob4ob2obo2b3o$2obob2obo4bo2bobo$4bob2obo3bobo3bobo$
2bobobo5bobo2bobo$o3bo3bo2bo2bobo$3bobob2obo2bobo ...
by Katrina
June 9th, 2026, 4:42 pm
Forum: The Sandbox
Topic: Goodbye forever.
Replies: 17
Views: 863

Re: Goodbye forever.

It isn't bullying if it's meant to protect you (and the server)