Search found 624 matches

by PK22
Yesterday, 5:22 pm
Forum: Other Cellular Automata
Topic: Tables (B3/S23-q4i)
Replies: 58
Views: 2266

Re: Tables (B3/S23-q4i)

p420 glider gun:
x = 67, y = 66, rule = B3/S23-q4i
20b3o31b2o$20bo33bo$21bo24bobo3bobo$41b3obo6b2o$41b4o3bo$44bo2bo14b2o$
45b2o15b2o4$59bobo$62bo$59bo3bo$60bo2bo$61b2o2$63b2o$63bo$64b3o$66bo$
58b2o$59bo$59bob2o$60bobo4$25b3o$60bo$23bo5bo29bobo$23bo5bo30b2o$23bo
5bo$8b2o$8bobo14b3o$9bo3$21b2o$20bobo ...
by PK22
October 13th, 2026, 4:05 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

P183 glider gun, which I think is the lowest period for an adjustable T-loop based gun:
x = 185, y = 186, rule = B3/S23-a5
9b2ob2o70b3o$9bo3bo72bo$10bobo72bo$7b4ob4o$6bo2b5o2bo$6b2o7b2o$60b2o$
60bobo$27bo34bo$27bob2o31bob2o105b2ob2o$27bo32bob2obo105bo3bo$60bo111b
obo$60bob2obo103b4ob4o ...
by PK22
October 10th, 2026, 6:00 am
Forum: Patterns
Topic: Gun Discussion Thread
Replies: 1019
Views: 493726

Re: Gun Discussion Thread


A p297 gun
x = 132, y = 74, rule = B3/S23
rle



You can shrink the BB slightly by making the guns share blocks:
x = 128, y = 72, rule = B3/S23
48b2o28b2o$48b2o28b2o3$51bo28bo$19bo7bo22b2obo21b2o3bo19bo7bo$19b3o5b
3o10bo10bo2bo21b2o9bo10b3o5b3o$22bo7bo7b3o10bo20bobo12b3o7bo7bo$21b2o ...
by PK22
October 7th, 2026, 10:51 am
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants


P18 from the D4_+1 census, presumably found by PK22’s searches: x = 13, y = 13, rule = B3/S23-a5
o3bo3bo3bo$o3bo3bo3bo$b2o2bobo2b2o$bo3bobo3bo$o2bobobobo2bo$b4o3b4o2$
b4o3b4o$o2bobobobo2bo$bo3bobo3bo$b2o2bobo2b2o$o3bo3bo3bo$o3bo3bo3bo!


Yep, /attribute shows I found it about 4 hours ago (at the ...
by PK22
October 1st, 2026, 2:40 am
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

Tiny new c/4d from C2_4, which is the second smallest after the glider:

Code: Select all

x = 7, y = 8, rule = B3/S23-a5
o2bob2o$3ob3o$bobo$4b3o$5bo$3bo$2bo$2b3o!
by PK22
September 30th, 2026, 10:47 am
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

New p9 discovered by the supercomputer searches in C4_1 (original form on the left, stator reduction on the right):
x = 34, y = 15, rule = B3/S23-a5
4b2obob2o12b2o4b2o$5bob2o2bo11bo2b2o2bo$5bobob2o13bobob2o$bo2b2obobo9b
2o2b2obobo$obo4bobobo2bo4bobo4bobobob2o$ob3o2bo3b4o6b3o2bo3b2obo$bo5bo
12bo5bo ...
by PK22
September 23rd, 2026, 3:17 am
Forum: General Discussion
Topic: Catagolue Discussion Thread
Replies: 639
Views: 350654

Re: Catagolue Discussion Thread


Is the Conchita achievement only granted when you find a phoenix in Life, or is it granted for other rules too?


x = 9, y = 9, rule = B2i3-r4-eikr5-ae6ain8/S2-ac3-a4-akrw5-ijqy6-ak
3bo$bobobobo2$bo5b2o2$2o5bo2$bobobobo$5bo!


With the exception of Sprotsmanship (granted for contributing ...
by PK22
September 22nd, 2026, 4:48 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

Strange p12 flipper from D4_x4, probably discovered by me:
x = 18, y = 18, rule = B3/S23-a5
8b4o4$8b2o$7b2ob2o$7b2obobo4bo$5b2obo2b2o4bo$o3b4o5bo3bo$o3bo5b4o3bo$
o4b2o2bob2o$o4bobob2o$6b2ob2o$8b2o4$6b4o!

EDIT: Also, a cool tiny p10 (only 4 cells larger than SKOP!) with a weak domino and other ...
by PK22
September 20th, 2026, 7:52 am
Forum: Patterns
Topic: Thread for your unsure discoveries
Replies: 4052
Views: 1922768

Re: Thread for your unsure discoveries


The pattern I created rotates the herschel by 90 degrees. Is this a pattern that has already been discovered? Also, how can I erase the remaining block when it passes?

x = 25, y = 31, rule = LifeHistory
7.A$7.3A$10.A$9.2A$4.A$3.A.A6.2A$3.A.A5.A.A$.3A.2A4.2A$A$.3A.2A$3.A.2A
$22.D$22.D.D$11.2D9.3D ...
by PK22
September 18th, 2026, 5:29 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

Hybrid synthesis for the new p132 in 15G + 4T (probably convertible into a pure 23G synth):
x = 79, y = 62, rule = B3/S23-a5
76bobo$76b2o$77bo3$5bobo$6b2o$6bo28b3o3b3o$35b3o3b3o$36bo5bo2$2bo$obo$
b2o3$71bo$71bobo$71b2o4$47bo$46bo$36bo9b3o$35bo$35b3o5$43bo$43b2o$20b
3o19bobo11b3o$22bo33bo$21bo35bo8 ...
by PK22
September 12th, 2026, 6:44 am
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

I finally figured out how to search for oscillators using LLS, so here are some p4-6 pipsquirters:
x = 54, y = 15, rule = B3/S23-a5
5bo13bo14bo13bo$2o3bo3b2o8bo14bo13bo$obo5bobo18b2o7b2o3b2o7b2o$b4ob4o
7bobobo7bo2bobobo2bo3bo2bo3bo2bo$2o7b2o4bob2ob2obo6b2ob3ob2o6b2obob2o ...
by PK22
September 9th, 2026, 1:07 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

p14 table hassler, based on a p7 from D8_4:
x = 30, y = 16, rule = B3/S23-a5
28b2o$28b2o$28b2o$28b2o$18bo9b2o$18bo9b2o$20bo7b2o$16o4bo7b2o$16o4bo7b
2o$20bo7b2o$18bo9b2o$18bo9b2o$28b2o$28b2o$28b2o$28b2o!

EDIT: Weird p6 corner dot, found in recent D8_4 hauls (not mine):
x = 20, y = 20, rule = B3 ...
by PK22
September 6th, 2026, 3:21 am
Forum: Scripts
Topic: Thread for your script-related questions
Replies: 670
Views: 272611

Re: Thread for your script-related questions


How do I de/encode mutistate RLE? I need to decode LifeHistory for one of my programs.

For rules with <=27 states:
. = State 0
A = State 1
B = State 2
C = State 3
…
The encoding of runs is the same as normal.
Example (manually typed out):
x = 0, y = 0, rule = LifeHistory
ABC.3D2EF
It’s a bit ...
by PK22
September 4th, 2026, 4:09 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants


Alright, everyone, I'm dusting off the old LLSSS again. What spaceship speeds are missing, what spaceship speeds aren't minimal? :D


Missing:

Orthogonal:

3c/7 - Needs at least width 14 odd. I tried a search last night, and it became incredibly slow since it took up >50GB including swap.
c ...
by PK22
August 28th, 2026, 12:24 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants


(...)
EDIT 3: Reduced to 11258 cells by removing the eater synth, adjusting the p20 T killer, and a couple other things.
New goal: 10k cells, because there's still plenty of phase optimization and testing to be done.


Massive reduction to 7108 cells (at the expense of massively increased ...
by PK22
August 19th, 2026, 4:26 pm
Forum: Other Cellular Automata
Topic: Miscellaneous Discoveries in Other Cellular Automata
Replies: 5417
Views: 1341633

Re: Miscellaneous Discoveries in Other Cellular Automata


x = 8, y = 6, rule = 2-a3-aei4-aceik/2-a3-ak45/4
4.C$.BC4A$2A.2AC2A$.AB.2ACA$2.3AC2A$4.3A!


Cool oscillator, any ships in this rule?

Yes: 4c/8, 180c/360, and 5c/20d, respectively, found using apgsearch:
x = 73, y = 43, rule = 2-a3-aei4-aceik/2-a3-ak45/4
2.3A$2.ACA33.A29.B$.BA.AB31.ABA27.C3A ...
by PK22
August 18th, 2026, 5:09 pm
Forum: The Sandbox
Topic: Catalyses (Game)
Replies: 794
Views: 157797

Re: Catalyses (Game)


Next: x = 10, y = 10, rule = B3/S23
o2bo2bo2bo$2bo$4b2o$o5bo2bo$bobo$4bo2bo$o5bo2bo$b2o5bo2$o2bo2bo2bo!

Herschel:
x = 26, y = 26, rule = B3/S23
21b2o$22bo$21bo$21b2o6$24b2o$5bo2bo2bo2bo9b2o$7bo$9b2o$5bo5bo2bo$6bobo
$9bo2bo$2o3bo5bo2bo$2o4b2o5bo2$5bo2bo2bo2bo3$13b2o$13bo$14b3o$16bo!

Next:
x ...
by PK22
August 17th, 2026, 3:43 pm
Forum: Other Cellular Automata
Topic: B35y/S23 (hatlife)
Replies: 64
Views: 12273

Re: B35y/S23 (hatlife)

8G synthesis of the c/6o ship:

Code: Select all

x = 120, y = 140, rule = B35y/S23
118bo$117bo$117b3o52$52bo27bobo$50bobo27b2o$51b2o28bo10$81bo$81bobo$
81b2o12$46bo$46b2o$45bobo21b3o$69bo$70bo5$60b3o$62bo$61bo46$2o$b2o$o!
by PK22
August 16th, 2026, 10:35 am
Forum: Patterns
Topic: Synthesising Oscillators
Replies: 2537
Views: 1497666

Re: Synthesising Oscillators

Reduction to the canonical form of Jason's p11 (76G -> 74G) by reducing xs48_g8o6530356o8gzdloy3oldzx3560653 (16G -> 14G):
x = 87, y = 87, rule = B3/S23
22bo$23bo$21b3o6$60bo$59bo$59b3o2$26bo$27b2o$26b2o4$23bobo$24b2o$24bo$
84bo$84bobo$84b2o5$65bobo$65b2o$66bo7$25bo$26b2o$25b2o8$60b2o$59b2o$
61bo7 ...
by PK22
August 15th, 2026, 12:53 pm
Forum: Patterns
Topic: The Hunting of the Spark Conduits
Replies: 107
Views: 49702

Re: The Hunting of the Spark Conduits

I had a look at the MES and found these two potential baits (producing a HF and century), if anyone wants to run catalyst searches on them:
x = 12, y = 23, rule = B3/S23
$2o$2o3b2o$4b3o$5b3o$7bo13$2b2o$2b2o2b2o$5b3o$6b3o$8bo!

Also, stupid blinker factory:
x = 34, y = 25, rule = B3/S23
31b2o$31bo ...
by PK22
August 13th, 2026, 6:40 pm
Forum: Patterns
Topic: Thread for your unsure discoveries
Replies: 4052
Views: 1922768

Re: Thread for your unsure discoveries



Could you help me create these LWSSes using glider synthesis? It can’t be found in Catagolue either. (The above is for reference only.)

x = 108, y = 98, rule = B3/S23
26bobo$26b2o$27bo9$18bo9b2o$18b2o8bobo$17bobo8bo5$23bo$23bobo$23b2o2$
15bo$13bobo$14b2o7$18b2o$19b2o$18bo3$24bo$23bo$23b3o3 ...
by PK22
August 12th, 2026, 9:52 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

Monomerisation of a D8_1 p10 tetramer using two copies of one of the 'quaint p5s':

Code: Select all

x = 20, y = 20, rule = B3/S23-a5
6b2o$5b4o6bo$3b2o4bo3b5o$2bo5b2o2bo5bo$2bo3bob2obob2ob2obo$bo5bo5bobob
o$2o2bo8b3obo$2o3bo8b2ob2o$bob2o11b3o$2b3o2$4bo$3bo$2bob3o$2bobob2o$b
2o2b3o$2bobo3bo$2bob5o$3bo3b2o$4bo!
by PK22
August 10th, 2026, 1:50 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

I ran a width 13 odd 3c/7 search in LLSSS, since it seems better than qfind for 3c/7.
It took about 1hr 45 min, and this was the longest partial:
x = 21, y = 129, rule = B3/S23-a5
6bo7bo$5bob2obob2obo$4b2obobobobob2o$3b3o3bobo3b3o$5b2o2bobo2b2o$bo2b
obo2bobo2bobo2bo$bo5bo5bo5bo$2ob3obo5bob3ob2o ...
by PK22
August 9th, 2026, 1:27 pm
Forum: Other Cellular Automata
Topic: Travelling Ts(b3s23-a5) and its variants
Replies: 1336
Views: 103105

Re: Travelling Ts(b3s23-a5) and its variants

Sparky 5c/10o (found using qfind):

Code: Select all

x = 13, y = 18, rule = B3/S23-a5
2b3o3b3o$b2ob2ob2ob2o$b2ob2ob2ob2o2$b11o$2o4bo4b2o$2o9b2o$5bobo$4bo3b
o$2b2o2bo2b2o$3bobobobo$5bobo$3bobobobo2$3b3ob3o$4bo3bo$2b2o5b2o$2ob
2o3b2ob2o!
by PK22
August 7th, 2026, 3:15 pm
Forum: Patterns
Topic: Small Unnatural Objects Watchlist
Replies: 18
Views: 9298

Re: Small Unnatural Objects Watchlist


What the hell is this:
x = 6, y = 6, rule = B3/S23
2b2o$bo2bo$ob2obo$o2bobo$bo2bo$2b2o!

I have never seen such an absurd still live before. How rare is this, what is it called, and what is its frequency class?


Rarity: 19829 occurrences in C1, so roughly one in every 367.5 billion objects is ...