ConwayLife.com

Posted: **May 6th, 2026, 10:10 am**

Two gliders

x = 27, y = 39, rule = B3/S23
11bo$9b3o$8bo$8b2o4$2o$2o8$10b2o$9bo5bo5bo$9bo5bo5bo$5bo3bo3b5ob5o$4b
obo2bo5bo5bo$4bobo2bo5bo5bo3b2o$5bo4b2o13bo$23bobo$23b2o13$b2o$b2o!

x = 5, y = 7, rule = B3/S23
2bo$b4o$b4o2$4o$4o$3bo!

edit:

synperiplanar wrote: December 19th, 2025, 5:02 pm
Code: Select all
x = 13, y = 14, rule = B3/S23
9b2o$9b2o2$10bo$9bobo$5bo3bobo$2o3bobo2bo$2o3b3o$7bo2$9b2o$9bo$10b3o$
12bo!
eaten

turns out i used the wrong pattern (the beehive is in the wrong place) but thankfully this is just an octomino II which i have recently learned can be turned into an R

Code: Select all

x = 7, y = 19, rule = B3/S23
o$obo$3o$2bo2bo$4bobo$4bobo$5bo9$b2o$2bo$bo$b2o!

Posted: **May 9th, 2026, 3:15 am**

synperiplanar wrote: May 6th, 2026, 10:10 am next
Code: Select all
x = 5, y = 7, rule = B3/S23
2bo$b4o$b4o2$4o$4o$3bo!

TL (with extra glider):

Code: Select all

x = 12, y = 14, rule = B3/S23
2bo$b4o$b4o2$4o$4o$3bo$7b2o$8bo$8bob2o$5b2ob2obo$6bo$4bobo$4b2o!

Next (this is a bit of a weird active region):

Code: Select all

x = 21, y = 11, rule = B3/S23
18bo$17bobo$17bo2bo$9b3o3bobo$8bo3bo2b2o$7bo5bo$bo5bo5bo$2o5bo5bo$8bo
3bo5bo$9b3o6bo$16b3o!

Challenge: try to turn this into 2 clean gliders using only a single still life.

Posted: **May 28th, 2026, 1:28 am**

Entity Valkyrie 2 wrote: May 9th, 2026, 3:15 am
Code: Select all
x = 21, y = 11, rule = B3/S23
18bo$17bobo$17bo2bo$9b3o3bobo$8bo3bo2b2o$7bo5bo$bo5bo5bo$2o5bo5bo$8bo
3bo5bo$9b3o6bo$16b3o!
Challenge: try to turn this into 2 clean gliders using only a single still life.

This technically uses a single still life but probably isn't what you were thinking of.

Code: Select all

x = 52, y = 46, rule = B3/S23
17bo$16bobo$16bobo$14b3ob2o$13bo$13b4ob2o$16bob2o$13b2o$13bo$14bo$15b
o$11b2o3bo$11bo2bobo25b2o$12b4o26bobo$44bo$12b2o30b2o$11bob3o18bo12bo
$10bo5bo16bobo8b3obo$9bo5bobo15bo2bo7bo3bo$8bo7bo8b3o3bobo14bobo$ob2o
bobo16bo3bo2b2o16bobo$2obob2o16bo5bo21bo$3bo13bo5bo5bo20bo$3bo12b2o5b
o5bo19bo$4b2ob2o15bo3bo5bo13bo$2bobob2obo15b3o6bo12bo$2b2o6bo6b2o13b3o
11bo$11bo5b2o26bo$12bo31bo$13bob4o24bo$14b2o2bo23bo$17bo23bo$18b3o19b
o$21bo17bo$20bo17bo$21b3o13bo$24bo11bo$23bo11bo$24b3o7bo$27bo5bo$26bo
3bobo$27b5o2$29bo$28bobo$29bo!

This shall be the next region:

Code: Select all

x = 22, y = 6, rule = B3/S23
21bo$obo9b3o6bo$3o18bo$bo2bo2bo8b3o$6b3o$6bobo!

I won't restrict to making ∏s, but there is a way to get a ∏ by using one common catalyst doing a standard catalysis, just with an unusual setup before interaction begins.

Posted: **July 15th, 2026, 10:26 am**

MathAndCode wrote: May 28th, 2026, 1:28 am This shall be the next region:
Code: Select all
x = 22, y = 6, rule = B3/S23
21bo$obo9b3o6bo$3o18bo$bo2bo2bo8b3o$6b3o$6bobo!
I won't restrict to making ∏s, but there is a way to get a ∏ by using one common catalyst doing a standard catalysis, just with an unusual setup before interaction begins.

Eaten in an overly complicated way:

Code: Select all

x = 32, y = 15, rule = B3/S23
12b2o7bo$6bo5b2o5b3o2b2o$4b3o11bo5bo2b2o$3bo14b2o5b2ob3o$3b2o26bo$25b
2ob3o$2o23b2obo$obo$b2o$24bo$3bobo9b3o6bo$3b3o18bo$4bo2bo2bo8b3o$9b3o
$9bobo!

x = 4, y = 5, rule = B3/S23
2o$obo$2bo$b2o$3bo!

Try to turn this into an eater 1 with only one catalyst doing a standard catalysis reaction, though I won’t restrict to that only.

Posted: **July 15th, 2026, 10:36 am**

hotcrystal0 wrote: July 15th, 2026, 10:26 am Next:
Code: Select all
x = 4, y = 5, rule = B3/S23
2o$obo$2bo$b2o$3bo!
Try to turn this into an eater 1 with only one catalyst doing a standard catalysis reaction, though I won’t restrict to that only.

Eater 1:

Code: Select all

x = 8, y = 13, rule = B3/S23
o$3o$3bo$2b2o5$4b2o$4bobo$6bo$5b2o$7bo!

x = 9, y = 9, rule = B3/S23
3b3o$2bo3bo$7bo$4bo3bo$3bobo2bo$o3bo3bo$bo5bo$2bo3bo$3b3o!

Posted: **July 16th, 2026, 7:10 am**

2 LoM’s

Code: Select all

x = 15, y = 15, rule = B3/S23
3b2o$3b2o4$3b3o$2bo3bo$7bo$4bo3bo$3bobo2bo$o3bo3bo$bo5bo3b2o$2bo3bo4b
obo$3b3o7bo$13b2o!

x = 8, y = 8, rule = B3/S23
bo3b2o$o2b2o2bo$3bobobo$2obo2b2o$2b3o$3bo3bo$3obo$bob2o!

Posted: **July 17th, 2026, 1:10 am**

Nothing:

Code: Select all

 x = 11, y = 14, rule = B3/S23
4bo3b2o$3bo2b2o2bo$6bobobo$3b2obo2b2o$5b3o$6bo3bo$3b3obo$4bob2o3$2b2o
$3bo$3o$o!

Next:(try to catalyse it before it turns pi):

Code: Select all

 x = 6, y = 4, rule = B3/S23
2o$obo$ob2obo$3b2o!

Posted: **July 17th, 2026, 5:36 am**

yyh_baboon wrote: July 17th, 2026, 1:10 am Next:(try to catalyse it before it turns pi):
Code: Select all
 x = 6, y = 4, rule = B3/S23
2o$obo$ob2obo$3b2o!

No CatForce, no Barrister, no anything, only by hand:
(To pi with bad clearance (i.e. very bad))

Code: Select all

#C [[ STOP 7 ]]
x = 13, y = 11, rule = B3/S23
o$3o$3bo$2b2o4$4b2o$4bobo4b2o$4bob2obob2o$7b2o!

x = 7, y = 5, rule = B3/S23
$6o$o4bo$o4bo$bo2bo!

Posted: **July 17th, 2026, 6:01 am**

Beehive

Code: Select all

x = 16, y = 7, rule = B3/S23
5b6o$5bo4bo$5bo4bo$2b2o2bo2bo2b2o$bobo8bobo$bo12bo$2o12b2o!

x = 8, y = 8, rule = B3/S23
3bo$2bo$2b3o2bo$2b2ob2o$bo4bo$ob4obo$2bobobo$4b2o!

Posted: **July 17th, 2026, 6:05 am**

LWSSONHWSSONLWSS wrote: July 17th, 2026, 6:01 am Beehive

Violation of rules:

pzq_alex wrote: June 5th, 2021, 4:17 pm Then someone places catalysts around the active region, to 1. eat the active region or 2. turn the active region into a 'standard' methuselah, plus some optional gliders.

Posted: **July 17th, 2026, 10:39 am**

NNlk05 wrote: July 17th, 2026, 5:36 am Next:
Code: Select all
x = 7, y = 5, rule = B3/S23
$6o$o4bo$o4bo$bo2bo!

Eaten:

Code: Select all

x = 18, y = 8, rule = B3/S23
2o14b2o$bo14bo$bobo10bobo$2b2o10b2o$6b6o$6bo4bo$6bo4bo$7bo2bo!

LWSSONHWSSONLWSS wrote: July 17th, 2026, 6:01 am Next:
Code: Select all
x = 8, y = 8, rule = B3/S23
3bo$2bo$2b3o2bo$2b2ob2o$bo4bo$ob4obo$2bobobo$4b2o!

Two low-clearance Rs:

Code: Select all

x = 27, y = 25, rule = B3/S23
9b2o$6b2o2bo$4b3ob2o$3bo$4b3ob2o$6bob2o2$11bo$10bo$10b3o2bo$10b2ob2o$
9bo4bo$8bob4obo9b2o$10bobobo10b2o$12b2o3$2o$o2bob2o$b3obobo$5bobo$b5o
b3o$bo4bo3bo$4bobo2b2o$4b2o!

x = 7, y = 12, rule = B3/S23
2bo$bobo$bobo$2ob3o$6bo$2ob3o$2o$obobobo2$obobobo2$obobobo!

Posted: **July 19th, 2026, 3:18 pm**

Glider:

Code: Select all

x = 7, y = 15, rule = B3/S23
2b2o$2b2o2$2bo$bobo$bobo$2ob3o$6bo$2ob3o$2o$obobobo2$obobobo2$obobobo!

x = 7, y = 7, rule = B3/S23
o3b3o$2obobo$b2o$bobo$3bob2o$b2obo$o4b2o!

Challenge: get a signal other than a glider

Posted: **August 7th, 2026, 1:00 am**

ray1234 wrote: July 19th, 2026, 3:18 pm Glider:
Code: Select all
x = 7, y = 15, rule = B3/S23
2b2o$2b2o2$2bo$bobo$bobo$2ob3o$6bo$2ob3o$2o$obobobo2$obobobo2$obobobo!
Next:
Code: Select all
x = 7, y = 7, rule = B3/S23
o3b3o$2obobo$b2o$bobo$3bob2o$b2obo$o4b2o!
Challenge: get a signal other than a glider

To something

Code: Select all

x = 11, y = 12, rule = B3/S23
10bo$8b3o$7bo$7b2o2$o3b3o$2obobo$b2o$bobo$3bob2o$b2obo$o4b2o!

Unfortunately, the loaf doesn't seem to be removable.
To a R with a banana spark (Do this count? I'm tired.), this is also almost a XWSS output

Code: Select all

x = 18, y = 13, rule = B3/S23
7b2o8bo$7b2o6b3o$14bo$14b2o2$7bo3b3o$7b2obobo$8b2o$8bobo$2b2o6bob2o$b
obo4b2obo$bo5bo4b2o$2o!
[[
T 0 GPS 60
STOP 27
T 36 GPS 2
T 38 GPS 60
]]

x = 14, y = 16, rule = B3/S23
2b2o$2b2o$4b2o$4b2o$6o$6o3$6b4o$6b4o$6b2o$6b2o$8b6o$8b6o$12b2o$12b2o!

Posted: **August 15th, 2026, 9:32 am**

NNlk05 wrote: August 7th, 2026, 1:00 am ...
Next:
Code: Select all
x = 14, y = 16, rule = B3/S23
2b2o$2b2o$4b2o$4b2o$6o$6o3$6b4o$6b4o$6b2o$6b2o$8b6o$8b6o$12b2o$12b2o!

This is not really an eater, but it does demonstrate the 'intended outcome' of the double-sized eater 1:

Code: Select all

x = 35, y = 31, rule = B3/S23
bo$2bo$3o2$5bo$6bo$4b3o5$23b2o$23b2o$25b2o$25b2o$21b6o$21b6o3$27b4o$
27b4o$27b2o$27b2o$29b6o$17b2o10b6o$18bo14b2o$15b3o15b2o$15bo10b2o$26bo
$27b3o$29bo!

x = 7, y = 5, rule = B3/S23
3b2o$4b2o$7o$2obo2bo$b6o!

Challenge: do a catalysis for >=200 gens with no more than 20 cells added

Edit 1: here is an eater for my next challenge but it does not last for >=200 gens. The top block does look nice though.

Code: Select all

x = 19, y = 12, rule = B3/S23
7b2o$7b2o3$17b2o$17bo$15bobo$2o6b2o5b2o$2o7b2o$5b7o$5b2obo2bo$6b6o!

Posted: **August 17th, 2026, 11:08 am**

Eaten:

Code: Select all

x = 58, y = 60, rule = B3/S23
54b2o$54b2o3$54b2o$55b2o$51b7o$51b2obo2bo$52b6o48$2b2o$bobo$bo$2o!

x = 7, y = 7, rule = B3/S23
o5bo$b2o3bo$2b2obo$4bo$4bo$b2o$o3bobo!

Posted: **August 17th, 2026, 4:38 pm**

A glider and a blinker

Code: Select all

x = 12, y = 17, rule = B3/S23
2b2o$2b2o9$o5bo$b2o3bo$2b2obo4b2o$4bo5b2o$4bo$b2o$o3bobo!

x = 8, y = 8, rule = B3/S23
o2b2o$2o2bob2o$o4bo$bob4o$o2b2o2bo$2bo2bo$bobo2b2o$3o2bo!

Posted: **August 17th, 2026, 4:50 pm**

Beehive:

Code: Select all

x = 11, y = 17, rule = B3/S23
o$3o$3bo$2b2o6$3bo2b2o$3b2o2bob2o$3bo4bo$4bob4o$3bo2b2o2bo$5bo2bo$4bo
bo2b2o$3b3o2bo!

x = 8, y = 8, rule = B3/S23
2o2b4o$obob3o$o4bo$2o3bo$o2b4o$obo4bo$5b3o$3obob2o!

Posted: **August 17th, 2026, 6:04 pm**

B, assuming this counts because the coe's p8 works in any phase.

Code: Select all

x = 23, y = 17, rule = B3/S23
2o2b4o$obob3o$o4bo$2o3bo$o2b4o$obo4bo$5b3o2b2o$3obob2o2b2o4$11b2o$11b
2o2b2o$16b2o$15bo2bo$18bo2b2o$16bobo2b2o!

x = 11, y = 8, rule = B3/S23
2o$obo$o3bobo$bob2o2bo$2b2o$5bo3b2o$6bo3bo$7b3o!

Posted: **August 18th, 2026, 2:16 pm**

Traffic light:

Code: Select all

x = 14, y = 16, rule = B3/S23
2o$obo$o3bobo$bob2o2bo$2b2o$5bo3b2o$6bo3bo$7b3o5$10b2o$10bo$11b3o$13b
o!

#R B3/S23
1o$2o$3o$4o$6o$8o$9o$13o!

Posted: **August 18th, 2026, 4:19 pm**

unname4798 wrote: August 18th, 2026, 2:16 pm Next:
Code: Select all
#R B3/S23
1o$2o$3o$4o$6o$8o$9o$13o!

LOM:

Code: Select all

x = 19, y = 16, rule = B3/S23
o$2o$3o8b2o$4o7b2o$6o$8o9b2o$9o8b2o$13o5$11b2o$6bo4bo$5bobo4b3o$6bo7b
o!

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

Posted: **August 18th, 2026, 5:09 pm**

hotcrystal0 wrote: August 18th, 2026, 4:19 pm Next:
Code: Select all
x = 10, y = 10, rule = B3/S23
o2bo2bo2bo$2bo$4b2o$o5bo2bo$bobo$4bo2bo$o5bo2bo$b2o5bo2$o2bo2bo2bo!

Herschel:

Code: Select all

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!

x = 12, y = 7, rule = B3/S23
9b3o$5bo3bobo$o2b2obob4o$o2b2ob2o$o2b2obob4o$5bo3bobo$9b3o!

Posted: **August 19th, 2026, 5:30 pm**

PK22 wrote: August 18th, 2026, 5:09 pmNext:
Code: Select all
x = 12, y = 7, rule = B3/S23
9b3o$5bo3bobo$o2b2obob4o$o2b2ob2o$o2b2obob4o$5bo3bobo$9b3o!

I got a ∏ output with the help of an unusual hook with tail catalysis.

Code: Select all

x = 27, y = 31, rule = B3/S23
6bo$5bobo$5bobo$3b3ob2o$2bo$3b3ob2o$5bob2o6$24b3o$20bo3bobo$2b2o11bo2b
2obob4o$2bo12bo2b2ob2o$3bo11bo2b2obob4o$3o17bo3bobo$o23b3o6$5bob2o$3b
3ob2o$2bo$3b3ob2o$5bobo$5bobo$6bo!

This shall be the next region:

Code: Select all

x = 3, y = 6, rule = B3/S23
3o$o$2o$2bo$obo$bo!

Since it dies on its own, "eating" it does not count, but I have verified that it is possible to get a recognized output with one well-known catalyst (without any obscure catalysts).

By the way, the catalysis that I had in mind a while back was a block catalysis.

MathAndCode wrote: May 28th, 2026, 1:28 am
Code: Select all
x = 22, y = 6, rule = B3/S23
21bo$obo9b3o6bo$3o18bo$bo2bo2bo8b3o$6b3o$6bobo!
I won't restrict to making ∏s, but there is a way to get a ∏ by using one common catalyst doing a standard catalysis, just with an unusual setup before interaction begins.

Code: Select all

x = 22, y = 10, rule = B3/S23
b2o$b2o3$21bo$obo9b3o6bo$3o18bo$bo2bo2bo8b3o$6b3o$6bobo!

Posted: **August 19th, 2026, 7:05 pm**

Beehive+TL

Code: Select all

x = 14, y = 6, rule = B3/S23
6b3o$2o4bo$2o4b2o4b2o$8bo3b2o$6bobo$7bo!

Next (don’t eat it):

Code: Select all

x = 8, y = 8, rule = B3/S23
2o2bobo$bo3bo$bo4b2o$ob3o2bo$2b4obo$5b3o$4bo2bo$obo2bo!

Posted: **August 19th, 2026, 11:57 pm**

LOM:

Code: Select all

x = 16, y = 9, rule = B3/S23
14b2o$2o2bobo7bo$bo3bo6bobo$bo4b2o4b2o$ob3o2bo$2b4obo$5b3o$4bo2bo$obo
2bo!

x = 7, y = 5, rule = B3/S23
6bo2$3o2b2o$obob2o$3o2b2o!

Posted: **August 20th, 2026, 7:29 am**

To a blinker:

Code: Select all

x = 15, y = 12, rule = B3/S23
12bo2$6b3o2b2o$6bobob2o$6b3o2b2o$2b2o$bobo$bo$2o9b2o$11bo$12b3o$14bo!

To B-heptomino:

Code: Select all

x = 29, y = 16, rule = B3/S23
2$13bo$13b3o$16bo$15b2o2$9bo$8bobo13bo$8bobo$6b3ob2o6b3o2b2o$5bo12bob
ob2o$6b3ob2o6b3o2b2o$8bob2o!

To Herschel:

Code: Select all

x = 15, y = 14, rule = B3/S23
$2bo$2b3o$5bo$4b2o3$13bo2$7b3o2b2o$7bobob2o$7b3o2b2o!

How to eat it?

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