Thread For Your Useless Discoveries

[hotcrystal0]

Code: Select all

x = 10, y = 17, rule = LifeHistory
2A$.2A$.A6$2.C$.C.C$.C2.C$2.2C2$6.2A$6.A$7.3A$9.A!

Useless not conduit:

Code: Select all

x = 27, y = 28, rule = B3/S23
7bo$7b3o$10bo$9b2o7$23b2o$2o21b2o$b2o$bo$25b2o$21b2obobo$14b2o5b2obo$
14b2o9bo$21b2ob2o$2bo19bobo$bobo18bobo$bo2bo18bo$2b2o2$6b2o$6bo$7b3o$
9bo!

[TigerCub414]

I found an r-pentomino-to-herschel converter using CatForce. Its systematic name is RBx60H. It's useless because it isn't connectable. It's also probably already known.

Code: Select all

x = 24, y = 54, rule = LifeHistory
$.3D.2D6.3D.3D.D.D$.D.D.D.D5.D3.D.D.D.D$.3D.2D2.D.D.3D.D.D.3D$.2D2.D.
D2.D2.D.D.D.D.D.D$.D.D.2D2.D.D.3D.3D.D.D12$15.2E$15.2E$7.15B$8.7B3D4B
$8.8BD5B$8.8B3D3B$7.15B$8.14B$8.14B$9.11B$10.12B$10.12B$10.12B$7.2A2.
2BC8B$7.2A.3B3C6B$11.3BC7B$11.11B$12.10B$13.9B$14.7B$15.6B$8.2A6.5B$
7.A.A5.4B$7.A7.5B$6.2A8.2B.B$19.B7$14.2A$14.2A!

EDIT: Useless unconnectable RRx30W:

Code: Select all

x = 28, y = 29, rule = LifeHistory
$.3D.3D5.3D.3D.D.D.D$.D.D.D.D7.D.D.D.D.D.D$.3D.3D.D.D.3D.D.D.D.D.D$.
2D2.2D3.D4.D.D.D.D.D.D$.D.D.D.D.D.D.3D.3D2.D.D11$4.2A$3.A.A9.2D$3.A
10.D.D.2C$2.2A9.2D2.2C$18.C3$11.2A$11.2A!

[Period1GliderGun]

HF + blinker + catalysts = an induction coil

Code: Select all

x = 22, y = 22, rule = B3/S23
13b2o$13bo$14bo$13b2o6$9b3o$8bo3bo$2o5bo5bo$2o5bo5bo$7bo5bo5b3o$8bo3b
o$9b3o3$7b2o$8bo$5b3o$5bo!

EDIT by dvgrn: Checked the mango induction coil via Catagolue's Objects page. It turns out that a key moment at T=20 with a pi-heptomino interacting with another active blob to its right in the above reaction ... is completely different, but produces the same 14-omino final effect, as a pi explosion getting redirected by a glider:

Code: Select all

x = 14, y = 20, rule = B3/S23
12b2o$11bobo$11bo$10b2o5$2bo$obo$b2o$5b2o$4bobo$6bo4$b2o$2b2o$bo!

[pifricted]

G + block + boat = boat-tie + blinker

Code: Select all

x = 14, y = 16, rule = LifeHistory
.A$2.A$3A5$11.2A$10.A.A$11.A5$12.2A$12.2A!

[tommyaweosme]

strange glider gun combinations that make strange outputs

EDIT by dvgrn: specifically, combinations of two Gosper glider guns to produce an intermittent two-out-of-three stream and a period-doubled stream. First seen somewhat over fifty years ago when p30 guns were first studied.

Code: Select all

x = 57, y = 36, rule = LifeHistory
51.2A$51.2A7$24.A$22.A.A$12.2A6.2A12.2A14.3A$11.A3.A4.2A12.2A13.A3.A$
2A8.A5.A3.2A26.A5.A$2A8.A3.A.2A4.A.A23.A5.A$10.A5.A7.A26.A$11.A3.A33.
A3.A$12.2A36.3A$51.A3$52.3A$52.3A$51.A3.A2$50.2A3.2A10$53.2A$53.2A!

Code: Select all

x = 58, y = 36, rule = LifeHistory
52.2A$24.A27.2A$22.A.A$12.2A6.2A12.2A$11.A3.A4.2A12.2A$2A8.A5.A3.2A$2A
8.A3.A.2A4.A.A$10.A5.A7.A$11.A3.A$12.2A$51.3A$50.A3.A$49.A5.A$49.A5.A
$52.A$50.A3.A$51.3A$52.A3$53.3A$53.3A$52.A3.A2$51.2A3.2A10$54.2A$54.2A
!

will edit later. my touchpad is being stupid because i accidentally poured water all over my laptop

[Period1GliderGun]

12 traffic lights -> 8 long bookends

Code: Select all

x = 51, y = 51, rule = B3/S23
25bo$25bo$25bo2$21b3o3b3o2$25bo$25bo$25bo5$21b3o3b3o$21bobo3bobo$21b3o
3b3o6$4bo8b3o19b3o8bo$4bo8bobo19bobo8bo$4bo8b3o19b3o8bo2$3o3b3o33b3o3b
3o2$4bo8b3o19b3o8bo$4bo8bobo19bobo8bo$4bo8b3o19b3o8bo6$21b3o3b3o$21bo
bo3bobo$21b3o3b3o5$25bo$25bo$25bo2$21b3o3b3o2$25bo$25bo$25bo!

[d/dx]

Code: Select all

x = 16, y = 16, rule = B3/S23
15bo$14b2o$13b2o$14bo$9b2o$4b2o2bo2bo$bo2bo4bobo$obobo5bo$bo2bob2o$4bo
2bo$5bo4bo$6b5o2$8bo$7bobo$8bo!
[[ STOP 12 ]]

not a C to X

[hotcrystal0]

LWSS from a failed conduit (probably known):

Code: Select all

x = 5, y = 13, rule = B3/S23
2b2o$2bobo$3b2o7$o$obo$3o$2bo!

[confocaloid]

LWSS from a failed conduit (probably known):

Code: Select all

x = 5, y = 13, rule = B3/S23
2b2o$2bobo$3b2o7$o$obo$3o$2bo!

Yes, known:

I have to have rediscovered this:

Code: Select all

x = 23, y = 39, rule = LifeSuper
6.B$5.3D2.3BD$5.8BDB$3.D5BD3BD3B$2.BD5BD7B$3.D5BD8B$5.14B$5.3D2.9B$6.
B2.9B$8.10B$7.12B$7.12B$8.10B$8.10B$9.9B$9.10B$8.10B$9.8B$7.4B2E3B$5.
6BEBE3B$3.4D5B2E4B$3.D3BD10B$3.D16B$4.D2BD14B$8.B2.11B$9.14B$7.15B$7.
2BE8BDB$6.3BEBE4B.B2D$7.2B3E4B.2D$6.5BE4B$5.10B$4.4B$4.3B$2.4B$2.2A$
3.A$3A$A!

A way to let the LWSS escape

Code: Select all

(an enormous F116 chain omitted)

No need to use that enormous F116 chain. RR56H suffices:

Code: Select all

x = 32, y = 75, rule = B3/S23
15bo$14bobo$14bobo6b2o$12b3ob2o5b2o$11bo$12b3ob2o$14bob2o16$23b2o$23bo
bo$24b2o7$21bo$21bo$5b2o3b2o9b3o$5b2o3b2o11bo6b2o$30b2o7$2b2o$2b2o13b
2o$17b2o9$b2o$b2o12$26bo$2b2o20bobo$3bo20b3o$3o4b2o3b2o10bo$o6bo4bo2bo
$8bo4b3o$7b2o$12bob2o$12b2obo!

EDIT: Two eaters suffice for the top. It is possible to extract a herschel:

Code: Select all

x = 65, y = 75, rule = B3/S23
22bo$22b3o$25bo$15b2o7b2o$16bo$16bobo$17b2o16$23b2o$23bobo$24b2o7$21bo
$21bo42bo$5b2o3b2o9b3o38b3o$5b2o3b2o11bo21b2o15bo$45b2o15bo3$34bo$33bo
bo$33b2o$42b2o$2b2o38bo$2b2o13b2o21bobo$17b2o21b2o9$b2o$b2o12$26bo$2b
2o20bobo$3bo20b3o$3o4b2o3b2o10bo$o6bo4bo2bo$8bo4b3o$7b2o$12bob2o$12b2o
bo!

+ 2 blocks + Eater 2 = Almost—H-to-LWSS:

Code: Select all

x = 24, y = 43, rule = B3/S23Super
4.A$3.A.A$3.A.A6.2A$.3A.2A4.B2AB$A4.B5.4B$.3AB2AB4.2B$3.A.2AB.7B$7.11B
$7.11B$7.12B$8.12B$11.9B$10.9B$9.10B$8.12B$8.12B$9.10B$9.10B$10.9B$10.
10B$9.10B$10.8B$8.4B2E3B$6.6BEBE3B$4.4D5B2E4B$4.D3BD10B$4.D16B$5.D2BD
14B$9.B2.11B$10.14B$8.15B$8.2BE10B$7.3BEBE4B2.B$8.2B3E4B.3B$7.5BE4B.B
2AB$6.10B3.2A$5.4B$5.3B$3.4B$3.2A$4.A$.3A$.A!

[whatislife]

From the Oscillator discussion thread:

Achim's P144 modification, easily convertible into a powerful active-region factory:

Code: Select all

x = 38, y = 34, rule = B3/S23
36b2o$36b2o3$13b2o$13b2o3$2b2o$bobo$bo11bo$2o11b2o$12bob2o3$16b3o$16bo
2bo$19bo$18bo3$20bo$19bo$19bo2bo$20b3o3$23b2obo$24b2o$25bo3$10b2o15b2o
$10b2o15b2o!

... and I fed this active region to Silk. Some results (sharing the main rotor for fun):
Two different big sparks. Sadly neither sticks out much into open space, and I haven't seen it output any typical conduit objects.

Code: Select all

x = 47, y = 62, rule = LifeHistory
26.2A$26.A$28.A.2A7.2A$27.2A.A.A6.A.A.2A$27.4BA2B7.A.A2.A$25.10B5.B2A
2.2A$25.11B5.2B$25.17B$25.18B.B$24.20B2A$12.2B3.2B2.23B2A$9.26BABA4B.
2B$7.5BA22B3A3B$6.4B3AB3A14B2A2B2A4B$5.2B4A4B2A14B2A8B$4.2BA2B3A3BA
25B$4.3B2A11B3.3B4.11B$2.2AB.18B.2B4.9B$.A.AB5.B.16B3.8B$.A10.15B5.7B
$2A10.15B5.6B$12.15B5.5B$11.14BA2B5.2B$11.13BABAB$10.14BABA2B$11.14BA
2B$13.13B$14.6B3A2B$13.3B5ABA3B$13.3BAB5A3B$14.2B3A6B$13.13B$11.2BA
14B$10.2BABA14B$11.BABA13B$11.2BA14B3.B$12.15B3.3B$2A10.15B3.3B$.A10.
15B2.5B$.A.AB5.B.16B.5B$2.2AB.21B.6B$4.16B.5B2.7B$4.31B$5.8B2A21B$6.
7B2A16BA5B$7.23BABA3B$9.20B2AB2A2B$12.2B3.2B2.8B2A5B$24.4B2A6B$25.3BA
BA5B$25.4B3A4B2A$24.5B2A5BA.A$23.A.BA4BA3B3.A$23.4A4B2A2B3.2A$29.BA2B
AB.2A$25.2A3.B2A3B.A$25.2A4.3B2.A$29.4B2.A$29.2A5.3A$30.A7.A$27.3A$
27.A!

Two orientations of glider gun. Not a reduction in any sense as far as I can tell.

Code: Select all

x = 86, y = 73, rule = LifeHistory
49.2A3.2A$49.A.A.A.A3.2A$36.2A13.A.A4.B2A2B$36.A2.A.2A7.2A.2A4.4B$38.
2A.A.A6.5B2.6B$38.4BA2B7.B4.6B$36.10B5.3B.7B$36.8BA2B3.12B$36.10BA16B
$36.11B3A14B$35.10BA3BA14B$23.2B3.2B2.13BA2B2A15B$20.24BA2BA17B$18.
21B2A4BA19B$17.7B2A16B2.2B2.B.16B$16.8B2A16B9.16B$15.26B11.10B2.4B$
15.16B3.3B16.4B2.3B3.4B$13.2AB.18B.2B28.4B$12.A.AB5.B.16B28.4B$12.A
10.15B30.4B$11.2A10.15B31.4B$23.15B32.4B$22.2BA14B32.4B$22.BABA13B33.
4B$21.2BABA14B33.4B$22.2BA14B35.4B$24.13B38.4B$25.2B3A6B40.4B$24.3BAB
5A3B40.4B$24.3B5ABA3B41.4B$25.6B3A2B43.3B$24.13B43.4B$22.14BA2B43.2A$
21.14BABA2B42.A$22.13BABAB44.3A$22.14BA2B46.A$23.15B$23.15B10.2A$23.
15B10.A$22.16B.B5.BA.A$23.2B.18B.B2A$24.3B3.16B$20.26B$19.16B2A8B$15.
2B2.16B2A7B$15.2A3B2A21B$13.4A3BA20B$4.2A4.B.8BA8B2.2B3.2B$3.A.A3.2A
2B3ABA2B2A4B$3.A5.ABABABA3B3A3B$2A.2A5.4A3BA3B2A3B$.A.B.4B5A2BA4B3A2B
$.A.4A.2A2.2B3A4BABA2B$2.A2.BABABA10B2A2B$3.2A.A.A.A2.AB2.4B.2B$4.A.A
BA.4A4.4B$2.A2.A.ABA9.4B$2.2A.A.A.A2.2A6.4B$5.A.2A3.2A7.4B$5.A16.4B$
4.2A17.4B$24.4B$25.4B$26.4B$27.4B$28.4B$29.3B$30.4B$32.2A$32.A$33.3A$
35.A!

[wwei47]

You can flip the figure 8 in the P16 independent reflector.

Code: Select all

x = 31, y = 49, rule = B3/S23
2bo$obo$b2o2$6bo$4bobo$5b2o2$10bo$8bobo$9b2o2$14bo$12bobo$13b2o3$b2o6b
3o$b2o6b3o15b2o$3b3o3b3o8b2o5bo$3bo8b3o7bo2bobo$b3o8b3o10b2o$b2o9b3o$b
o19bo$2bo18b2o$7b2o14bo3bo$b2o3bo2bo9b3obo2bobo$6bo9b2o2bo2bo3bo$2b2o
2bo2bo5bobo5bo$o2bo2b2ob2o6bo2bo2bo$o2bo3bo2bo10b2o$2b2o4bobo$9bo4bo$b
2o10b3o5b2o$6bo5b2o2bo3bobo$2bo2bobo4bo3bo3bobob2o$bo4bo5bob2o5bobobo$
b2o9b2o9bo$b3o18bo2bo$3bo13bo4bo$3b3o10bo5bo$b2o13bo2bo2bo4bo$b2o12bo
2b2o2bo3bobo$15b4o4bo2b2obo$27bobo$11b2o10b4ob3o$12bo9bo7bo$9b3o11b3ob
3o$9bo15bobo!

[confocaloid]

Comparison (the original version by JP21 shown on the left):

Code: Select all

x = 81, y = 52, rule = B3/S23
5bo$3bobo$4b2o$52bo$9bo40bobo$7bobo41b2o$8b2o$56bo$13bo40bobo$11bobo
41b2o$12b2o$60bo$17bo40bobo$15bobo41b2o$16b2o$64bo$62bobo$63b2o$30b2o$
23b2o5bo$b2o22bo2bobo20b2o6b3o$b2o12b3o10b2o21b2o6b3o15b2o$3b3o9b3o35b
3o3b3o8b2o5bo$3bo11b3o6bo28bo8b3o7bo2bobo$b3o8b3o9b2o25b3o8b3o10b2o$b
2o9b3o11bo3bo20b2o9b3o$bo10b3o7b3obo2bobo19bo19bo$2bo16b2o2bo2bo3bo21b
o18b2o$7b2o9bobo5bo30b2o14bo3bo$b2o4b2o11bo2bo2bo24b2o3bo2bo9b3obo2bob
o$24b2o30bo9b2o2bo2bo3bo$2b2o11b2o35b2o2bo2bo5bobo5bo$o2bo3b2o5bobo33b
o2bo2b2ob2o6bo2bo2bo$o2bo3bob2o5bo33bo2bo3bo2bo10b2o$2b2o4b3o41b2o4bob
o$59bo4bo$b2o18b2o28b2o10b3o5b2o$6bo7bo5bobo33bo5b2o2bo3bobo$2bo2bobo
5b3o4bobob2o26bo2bobo4bo3bo3bobob2o$bo4bo5b2obo5bobobo25bo4bo5bob2o5bo
bobo$b2o20bo27b2o9b2o9bo$b3o18bo2bo25b3o18bo2bo$3bo18bo30bo13bo4bo$3b
3o10b2o4bo30b3o10bo5bo$b2o7b2o5b2o3bo4bo23b2o13bo2bo2bo4bo$b2o13b2o4bo
3bobo22b2o12bo2b2o2bo3bobo$16bo6bo2b2obo35b4o4bo2b2obo$27bobo47bobo$
11b2o10b4ob3o30b2o10b4ob3o$12bo9bo7bo31bo9bo7bo$9b3o11b3ob3o29b3o11b3o
b3o$9bo15bobo31bo15bobo!

[wwei47]

An illegal collision between a honey farm and two blocks forms two ponds and two LWSSes.

Code: Select all

x = 9, y = 13, rule = LifeSuper
6.2A$6.2A$4.A$3.3A$2.5A$.2A3B2A$3AB.B3A$.2A3B2A$2.5A$3.3A$4.A$.2A$.2A
!

[hotcrystal0]

An illegal collision between a honey farm and two blocks forms two ponds and two LWSSes.

Code: Select all

x = 9, y = 13, rule = LifeSuper
6.2A$6.2A$4.A$3.3A$2.5A$.2A3B2A$3AB.B3A$.2A3B2A$2.5A$3.3A$4.A$.2A$.2A
!

Can you change the rule to regular Life? This isn’t the roleplay thread.

[hotdogPi]

It's not an illegal collision if the blocks form that generation. Here it is backed up by 1.

Code: Select all

x = 7, y = 13, rule = B3/S23
5b2o$6bo2$2b3o$bo3bo$o5bo$o5bo$o5bo$bo3bo$2b3o2$o$2o!

[get_Snacked]

I+dot=glider+C, maybe this can be made into something cool

Code: Select all

x = 6, y = 7, rule = B3/S23
3b3o$bo3bo$o4bo$o3bo$b3o2$3bo!

p14 partial that either needs a biblocklike catalyst or an oscillator that adds and removes blocks, both of which aren't very likely (bespoke catalysts won't work afaict)

Code: Select all

x = 35, y = 18, rule = LifeHistory
7.2A17.2A$2A6.3A13.3A6.2A$A5.A4.A11.A4.A5.A$.3A.A.4A13.4A.A.3A$3.A.A9.
2D.2A9.A.A$4.2A2.3A4.2D.2A4.3A2.2A$4.2A2.3A13.3A2.2A$2.A.A3.3A7.A5.3A
3.A.A$.A.A.2A.3A6.A.A4.3A.2A.A.A$.A.A.2A.3A5.A2.A4.3A.2A.A.A$2.A.A3.3A
6.2A5.3A3.A.A$4.2A2.3A13.3A2.2A$4.2A2.3A13.3A2.2A$3.A.A23.A.A$.3A.A.4A
13.4A.A.3A$A5.A4.A11.A4.A5.A$2A6.3A13.3A6.2A$7.2A17.2A!

EDIT: the partial is agnostic and doesn't have to be p14, can be p14+2n

[wwei47]

This is the highest population-one-generation-before-death (32 -> 0) I've seen in a diehard. Obviously it's possible to repeat copies of this to increase it further, but I found this interesting as a "prime" diehard.

Code: Select all

x = 14, y = 14, rule = B3/S23
3b2o4b2o$3b2o4b2o2$2o10b2o$2o3b2o5b2o$5b2ob2o$8b2o$4b2o$4b2ob2o$2o5b2o
3b2o$2o10b2o2$3b2o4b2o$3b2o4b2o!

EDIT: It's 40 -> 0; not 32 -> 0.

[confocaloid]

I'm not sure if that's really a diehard, though, the lifespan is only 12.

Here is a naturalistic spark, generation 47 has population 8, generation 48 is empty:

Code: Select all

x = 8, y = 8, rule = B3/S23
ob2ob2o$o2bo$bobob3o$b3obobo$obob4o$o3bo2bo$b4obo$2b6o!
#C [[ THEME MCell GRID ZOOM 8 STOP 47 SHOWGENSTATS ]]

added later: lifespan 53, generation 52 has population 8:

Code: Select all

x = 8, y = 8, rule = B3/S23
o3bob2o2$2bobo$b2o$o5bo$4b2o$bobo$3bo2bo!
#C [[ THEME MCell GRID ZOOM 8 STOP 52 SHOWGENSTATS ]]

Generation 14 has population 9, generation 15 is empty:

Code: Select all

x = 8, y = 8, rule = B3/S23
bo2b2obo$o4b2o$2o3bobo$3bo3bo$2bobo2bo$6obo$o2bob2o$2b4obo!
#C [[ THEME MCell GRID ZOOM 8 STOP 14 SHOWGENSTATS ]]

Lifespan = 6, population 1 tick before death = 10:

Code: Select all

x = 8, y = 8, rule = B3/S23
o2bo3bo$obob2obo$bobob2o$8o$2o2b4o$3b2ob2o$b2ob4o$bob3o!
#C [[ THEME MCell GRID ZOOM 8 STOP 5 SHOWGENSTATS ]]

Lifespan = 35, population 1 tick before death = 10:

Code: Select all

x = 8, y = 7, rule = B3/S23
o4bo$2b2o2bo$obobo$2bo3bo$o2bo$o3bo$6b2o!
#C [[ THEME MCell GRID ZOOM 8 STOP 34 SHOWGENSTATS ]]

Lifespan = 27, population 1 tick before death = 14:

Code: Select all

x = 8, y = 7, rule = B3/S23
2o$b3o3bo$4bo$2bob2o$o$4bo2bo$7bo!
#C [[ THEME MCell GRID ZOOM 8 STOP 26 SHOWGENSTATS ]]

edit: here are three ways to get population 12 in the last non-empty generation:

Code: Select all

x = 49, y = 10, rule = B3/S23
2o2b2o2b2o10bo5b3o12b2o4bo$b2o4bo15b2o4bo11bo$obobo3b2o13bo16b2o2bo2b
2o$2b3o3bo12bobo4b2o13bo$2bo3bo2bo11bob2o18bo4bo$7bobo10bo19b2obo2b2o$
b2o22b3o13b2o$3b2o19b2o3bo11bo$2bo25bo11bo5bo$2bo2bo18bo18bo3bo!

[wwei47]

Traffic light "eater":

Code: Select all

x = 9, y = 9, rule = B3/S23
4bo$2o2bo2b2o$2o2bo2b2o2$3o3b3o2$4bo$4bo$4bo!

[confocaloid]

I think I would rather put the quotes around "traffic light". The pair of blocks does indeed eat what appears to be a "traffic light". It's just that the "traffic light" could not possibly form there from an usual predecessor via a common sequence.

Traffic light "eater":

Code: Select all

x = 9, y = 9, rule = B3/S23
4bo$2o2bo2b2o$2o2bo2b2o2$3o3b3o2$4bo$4bo$4bo!

[hotcrystal0]

P24 “partial”:

Code: Select all

x = 24, y = 51, rule = B3/S23
4b2o9b2o$4bo11bo$5bo9bo$4b2o9b2o$3bo4bo3bo4bo$2b7o3b7o$2bo15bo$6bo7bo
$3bobobo2bo2bobobo$b3obob7obob3o$o5bo7bo5bo$2ob2ob4ob4ob2ob2o$9bobo$4b
o2bobobobo2bo$3bo4bo3bo4bo$4b3obo3bob3o$5b2o7b2o$7bo5bo$8b5o6$10bob2o
$10bo2bo$10b2obo6$11b5o$10bo5bo$8b2o7b2o$7b3obo3bob3o$6bo4bo3bo4bo$7b
o2bobobobo2bo$12bobo$3b2ob2ob4ob4ob2ob2o$3bo5bo7bo5bo$4b3obob7obob3o$
6bobobo2bo2bobobo$9bo7bo$5bo15bo$5b7o3b7o$6bo4bo3bo4bo$7b2o9b2o$8bo9b
o$7bo11bo$7b2o9b2o!

[Tawal]

Useless E to B + 2G

Code: Select all

x = 47, y = 49, rule = LifeHistory
16.D$3.A11.3D$3.3A8.2D2BD$6.A7.5B$5.2A7.6B$5.5B3.8B$7.3B.9B$5.15B$5.
15B$5.17B$4.18B$4.18B$4.12B2C2D2B2.4B$2.2AB.9BCBCB2D7B$.A.AB.10BCB2D
7B2A$.A5.20B2A$2A5.7B3.9B.B$6.8B3.8B$5.9B3.7B$4.DBDB2.12B$4.2DB4.4B.
6B$5.D6.4B2.3B$13.4B.3B$14.2BDB.B$15.2B2D$16.2D21$44.2A$44.A.A$44.A!

[hotcrystal0]

E to blinker where the blinker “catalyzes” the diehard next to it shortly after forming:

Code: Select all

x = 34, y = 25, rule = LifeHistory
3.2A$4.A$4.A.A$5.2A5.3C$14.2C$13.2C7.2A$22.2A7$9.A13.2A$8.A.A12.2A$7.
A2.A5.2C$8.2A6.2C$2A$A.A.2A14.2A$2.A.2A3.2A9.A$.A7.2A10.3A$.2A.2A17.A
$2.A.A$2.A.A$3.A!

[confocaloid]

"Naturalistic" eventually dying 10-by-10 pattern, population one tick before death equals 15:

Code: Select all

#C tested 3707463 so far, 589 died in 1 tick, 380913 died harder
#C lifespan:                       29
#C population 1 tick before death: 15
#CLL state-numbering golly
x = 10, y = 10, rule = B3/S23
3b2o$5bo$5bob2o$3bob2o$bo2b4obo$o5b2obo$2b3o2bo$bo3b2obo$4bobo$3bob2o2bo!
#C [[ THEME MCell GRID ZOOM 8 STOP 28 SHOWGENSTATS ]]

For all lower values of "p1tbd", reasonably long-lived eventually dying 10-by-10 patterns were already found: post197240 post197459.

A suffix of the evolutionary sequence can be rewound arbitrarily far back in time, as follows:

Code: Select all

x = 46, y = 40, rule = B3/S23
44bo$43bo$43b3o3$3bo$4b2o$3b2o7$28b2o$27bo2bo$28b2o4$27b2o3bo$27b2o2bo
bo$31bobo$32bo14$bo$b2o$obo!
#C [[ THEME MCell GRID ZOOM 8 T 91 PAUSE 1 STOP 99 SHOWGENSTATS ]]

EDIT 2024-11-12: population one tick before death equals 16:

Code: Select all

#C tested 5956843 so far, 977 died in 1 tick, 612008 died harder
#C lifespan:                       66
#C population 1 tick before death: 16
#CLL state-numbering golly
x = 10, y = 9, rule = B3/S23
o$2b3o$3bo$6b2obo$4bobo$2bobob2o$bo2bo4bo$3bo4b2o$9bo!
#C [[ THEME MCell GRID ZOOM 8 STOP 65 SHOWGENSTATS ]]

[FWKnightship]

Transparent block:

Code: Select all

x = 21, y = 25, rule = LifeHistory
11.2C$11.2C8$5.3A$5.A2.A7.3A$5.A10.A2.A$5.A3.A6.A$5.A10.A3.A$6.A.A7.A
3.A$16.A$17.A.A$.A$3A$A.2A14.A$.3A13.3A$.2A13.2A.A$16.3A$16.3A$17.2A!