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[mniemiec]

Excellent! You can continue:

This one actually came first (see http://codercontest.com/mniemiec/lg/40blt4.rle), of which I removed half to make the example I posted.

[praosylen]

Block+BNG+B -> Trans-twin-bee shuttle:
https://twitter.com/conwaylife/status/6 ... 8713647105

Code: Select all

rle

This should yield a new 9-glider synthesis:

Code: Select all

x = 94, y = 49, rule = B3/S23
6$69b2o$69b2o2$24b2o2bo$25b3o38bo$26bo40bo$65b3o2$68b2o$68b2o$67bo5$
25bo9b2o36b4o$24b3o10bo35bo2b2o6b2o$23bo2bob4o5bo36bo2b2o5b2o$22b2obo
10b2o32b2o2bo2bo$23b2obo3b3o2bo39b2o$24bo5b2o2bo$27b2obo44b2o$27bo3bo
38b2o2bo2bo$13b2o42b2o15bo2b2o$13b2o42b2o14bo2b2o$73b4o5$67bo$68b2o$
68b2o$65bo$65b2o$64bobo!

Edit: This should also yield a synthesis; I'm to lazy to put it together myself:

Code: Select all

x = 24, y = 31, rule = B3/S23
b3o$bo$3o12$3b2o$2bo2bo4bo$2bo2bo4bo$3b2o5bo2$6b3o3b3o2$10bo$10bo10bo$
10bo9bobo$20bobo$21bo3$6b2o13b2o$6b2o12bo2bo$21b2o!

[dvgrn]

Some time ago I left a comment on Catagolue regarding this, and I think this pattern is worth posting here... Link to Catagolue.

The novelty-killing reaction looks like this:

Code: Select all

x = 96, y = 108, rule = B3/S23
bo$2bo$3o28$31bo$32bo$30b3o28$61bo$62bo$60b3o28$91bo$92bo$90b3o6$83b2o
$82bobo$83bo10b2o$94b2o5$86b2o$86b2o!

All that's needed to produce this boat-bit catcher is a little clear space with two blocks and a boat in it. So xs14_354c32ac shows up quite regularly as the final fate of these kaleidoscopes, completely out of proportion to its appearance in random ash.

Bill Gosper took an interest in these types of reactions back in May. Names for a couple of other possible final fates showed up during the discussion.

There's the Jedi Transparency Trick, where 90-degree block-glider reflections show up at the orthogonal axes of symmetry, and drill through everything in their way to reach the diagonal axes. That happens with the sample pattern below, at T=19659494:

Code: Select all

x = 172, y = 172, rule = B3/S23
85b2o$85b2o69$72b3ob2obo2b8o2bob2ob3o$72bo2b2o3bobo6bobo3b2o2bo$70b3o
5b2o2bo2b2o2bo2b2o5b3o$70bo4b5o3bob2obo3b5o4bo$70bo3bo2bobo2b2o4b2o2bo
bo2bo3bo$71bobobo2b2o3bob2obo3b2o2bobobo$70b2obo6bo2b6o2bo6bob2o$70bo
2b2o3b2ob3o4b3ob2o3b2o2bo$72b2obob4ob3o2b3ob4obob2o$70bob4ob3o3bob2obo
3b3ob4obo$71bo4bobo3bo6bo3bobo4bo$77bo5bo4bo5bo$70b3obo2b2obob2ob2ob2o
bob2o2bob3o$70bo2b7ob10ob7o2bo$70bo5bobo4bo4bo4bobo5bo$2o68bob2ob2o2bo
2b2o4b2o2bo2b2ob2obo68b2o$2o68bob2ob2o2bo2b2o4b2o2bo2b2ob2obo68b2o$70b
o5bobo4bo4bo4bobo5bo$70bo2b7ob10ob7o2bo$70b3obo2b2obob2ob2ob2obob2o2bo
b3o$77bo5bo4bo5bo$71bo4bobo3bo6bo3bobo4bo$70bob4ob3o3bob2obo3b3ob4obo$
72b2obob4ob3o2b3ob4obob2o$70bo2b2o3b2ob3o4b3ob2o3b2o2bo$70b2obo6bo2b6o
2bo6bob2o$71bobobo2b2o3bob2obo3b2o2bobobo$70bo3bo2bobo2b2o4b2o2bobo2bo
3bo$70bo4b5o3bob2obo3b5o4bo$70b3o5b2o2bo2b2o2bo2b2o5b3o$72bo2b2o3bobo
6bobo3b2o2bo$72b3ob2obo2b8o2bob2ob3o69$85b2o$85b2o!

Then there's the Jedi Bounce Trick, though that's actually not a final fate, but just a temporary stage along the way -- a 180-degree block-glider reflection that makes things a little more complicated for a while:

Code: Select all

x = 172, y = 172, rule = B3/S23
85b2o$85b2o69$72b3ob2obo2b8o2bob2ob3o$72bo2b2o3bobo6bobo3b2o2bo$70b3o
5b2o2bo2b2o2bo2b2o5b3o$70bo4b5o3bob2obo3b5o4bo$70bo3bo2bobo2b2o4b2o2bo
bo2bo3bo$71bobobo2b2o3bob2obo3b2o2bobobo$70b2obo6bo2b6o2bo6bob2o$70bo
2b2o3b2ob3o4b3ob2o3b2o2bo$72b2obob4ob3o2b3ob4obob2o$70bob4ob3o3bob2obo
3b3ob4obo$71bo4bobo3bo6bo3bobo4bo$77bo5bo4bo5bo$70b3obo2b2obob2ob2ob2o
bob2o2bob3o$70bo2b7ob10ob7o2bo$70bo5bobo4bo4bo4bobo5bo$2o68bob2ob2o2bo
2b2o4b2o2bo2b2ob2obo68b2o$2o68bob2ob2o2bo2b2o4b2o2bo2b2ob2obo68b2o$70b
o5bobo4bo4bo4bobo5bo$70bo2b7ob10ob7o2bo$70b3obo2b2obob2ob2ob2obob2o2bo
b3o$77bo5bo4bo5bo$71bo4bobo3bo6bo3bobo4bo$70bob4ob3o3bob2obo3b3ob4obo$
72b2obob4ob3o2b3ob4obob2o$70bo2b2o3b2ob3o4b3ob2o3b2o2bo$70b2obo6bo2b6o
2bo6bob2o$71bobobo2b2o3bob2obo3b2o2bobobo$70bo3bo2bobo2b2o4b2o2bobo2bo
3bo$70bo4b5o3bob2obo3b5o4bo$70b3o5b2o2bo2b2o2bo2b2o5b3o$72bo2b2o3bobo
6bobo3b2o2bo$72b3ob2obo2b8o2bob2ob3o69$85b2o$85b2o!

The resolution for that one is way out at T=35911778, by the way, with a classic boat-bit-catching eater built from another simple seed:

Code: Select all

#C A bo$obo$b2o boat has been seen in place of the beehive sometimes
x = 52, y = 52, rule = LifeHistory
.A$2.A$3A18$21.A$22.A$20.3A18$41.A$42.A$40.3A2$50.2D$49.ACA$48.D.D$
48.2D$42.A$41.A.A$41.A.A$42.A!

Almost 36 million seems like a pretty impressive survival time. It's the next best thing to random when one of these final-fate configurations is going to show up, though, so longer stabilization times should occur according to some kind of power law.

That means it should be possible to find, say, a 42x42 symmetric pattern that takes a really impressively long time to stabilize, just by testing lots of variants of the following pattern with randomly added symmetrical stable junk near the center (blue area -- too far inside the red circle won't make any difference):

Code: Select all

x = 42, y = 42, rule = LifeHistory
11.A.A14.A.A$10.A20.A$11.A2.A12.A2.A$13.3A10.3A5$16.10B$15.12B$.A12.
14B12.A$A.A10.16B10.A.A$13.16B$A2.A7.2B.14B.2B7.A2.A$2.2A6.4B.12B.4B
6.2A$3.A5.6B.3B4D3B.6B5.A$8.8B.2D4.2D.8B$8.8BD8.D8B$8.8BD8.D8B$8.7BD
10.D7B$8.7BD10.D7B$8.7BD10.D7B$8.7BD10.D7B$8.8BD8.D8B$8.8BD8.D8B$8.8B
.2D4.2D.8B$3.A5.6B.3B4D3B.6B5.A$2.2A6.4B.12B.4B6.2A$A2.A7.2B.14B.2B7.
A2.A$13.16B$A.A10.16B10.A.A$.A12.14B12.A$15.12B$16.10B5$13.3A10.3A$
11.A2.A12.A2.A$10.A20.A$11.A.A14.A.A!
#C [[ VIEWONLY ]]

Without any junk this pattern stabilizes at T=16467511, generating an xs14_354c32ac boat-bit catcher again.

---------------------------------------

Seems as if adding aysmmetric junk in the center might even be an improvement on a line puffer as a source of unlimited novelty, or at least novelty that Golly won't be able to find an end to. With eight glider streams, the odds that all of them would simultaneously generate eaters or boat-bit stoppers seem very very low. Even if most of the eight streams are stopped, the remaining ones would be quite likely to drill through the center and liberate their opposite numbers.

All these patterns make for an interesting extended experiment regarding the drilling ability of a low-period glider stream. It seems pretty clear from watching these "collidoscopes" (not sure if that's a Gosperism or a George Maydwell-ism) that the average drill rate is positive at p768. That is, that a stream of gliders will eventually eat its way through pretty much any amount of random ash in its way, assuming that no eater or boat-bit catcher appears.

[mniemiec]

Block+BNG+B -> Trans-twin-bee shuttle: ...

This should yield a new 9-glider synthesis: ...

Note that this also makes cis twin-bees if the block is moved 7 spaces up. This is an interesting mechanism, but unfortunately, it doesn't improve the state of the art. The standard method (2 gliders each for the two blocks and the B heptominos) takes 8 gliders, and in January, Martin showed how to do it with 7 (i.e. 5 gliders make the engine and one of the blocks), and both mechanisms make trans twin bees by moving the block up.

Code: Select all

x = 204, y = 153, rule = B3/S23
80bo$80bobo$80boo21$107boo38boo$107boo38boo3$144bo$145bo$143b3o$$106b
oo38boo$105bobo37bobo$49bobo54bo39bo$50boo$50bo$$96bobbo36bobbo36bobbo
$5bo93bo7b3o29bo7b3o29bo7b3o$3bobo19boo18boo48bo9bo4bo11boo11bo9bo4bo
11boo11bo9bo4bo11boo$4boo19boo18boo48boo8bo5bo10boo11boo8bo5bo10boo11b
oo8bo5bo10boo$boo98bo8bo30bo8bo30bo8bo$obo95boo8boo28boo8boo28boo8boo$
bbo$98boo8boo28boo8boo28boo8boo$97bo3bo8bo26bo3bo8bo26bo3bo8bo$97bobbo
4bo5bo25bobbo4bo5bo25bobbo4bo5bo$97bobbo4bo4bo26bobbo4bo4bo26bobbo4bo
4bo$81bo16boo7b3o28boo7b3o28boo7b3o$50boo28boo$49bobo28bobo$51bo$44b3o
$46bo59bo39bo$45bo59bobo37bobo$106boo38boo$143boo$142bobo$144bo13$91bo
$89bobo$90boo9$123bo$124bo$122b3o$$135bo$134bo$122bobo9b3o41boo7b3o$
123boo52bobbo4bo4bo11boo$123bo53bobbo4bo5bo10boo$177bo3bo8bo$178boo8b
oo$$178boo8boo$181bo8bo$175boo8bo5bo$175bo9bo4bo$179bo7b3o$176bobbo12$
160b3o$160bo$161bo3$95b3o$97bo$96bo4$87boo$86bobo$88bo10$144bobo$145b
oo9bo$86bo58bo9bo$86bobo66b3o$86boo90boo7b3o$83boo37boo38boo13bobbo4bo
4bo11boo$83bobo36boo38boo13bobbo4bo5bo10boo$83bo93bo3bo8bo$178boo8boo
$$178boo8boo$55bo125bo8bo$53bobo39boo38boo38boo8bo5bo$54boo39boo38boo
38bo9bo4bo$51boo126bo7b3o$50bobo102b3o18bobbo$52bo92bo9bo$145boo9bo$
144bobo!

[dvgrn]

The latest eater2 variant, xs24_0mm0mk453zc87011 is one I haven't seen before, at least from non-symmetric initial conditions:

Code: Select all

x = 42, y = 28, rule = LifeHistory
2.3A3.A.5A$2.A3.A4.A.2A$A3.3A.2A.2A.2A$2.A.A2.4A3.A$2.A2.A.3A2.A.2A$
4.2A5.A.A.A$2A.2A.4A.3A$3A.2A.A.A.2A.A$A.4A6.A$3A.A.3A2.2A.2A$3A3.A.
2A.A3.A$.2A6.A.3A$A.5A.2A.3A$3A.3A5.A.A$2.3A.A2.A2.A.A$2A2.2A.A.A4.2A
4$33.2D$33.D.D$35.D$35.D.2D$34.2D.2D2$34.2D.4D$34.2D.D3.D$40.2D!

I don't see a really good line of attack offhand, but does anyone recognize the chunk that I can't name around T=91, or the more immediate 9-cell ancestor at T=242?

This might be a fairly decent reaction if it could be converted to a slow-salvo seed, because the eater2 is backed right up to the eastern edge of its reaction envelope.

[dvgrn]

I really like the recipes that Catagolue comes up with, that start with a small number of cells that magically expand into a stable object with a larger number of cells.

I just happened to look at xs26_69b88c0siczx3553, for example, which grows from 18 cells to 26. It occurs relatively often due to variants of this reaction:

Code: Select all

x = 24, y = 17, rule = B3/S23
9bo12b2o$9b2o11b2o$8b2o$b2o$o2bo$b2o4$5bo$4bobo$3bo2bo$4b2o3$8b2o$8b2o!

Here's a 10-glider-equivalent synthesis based on a slightly different R-bee source -- cobbled together before I saw the R-pentomino trigger variant, so it's probably not optimal:

Code: Select all

x = 27, y = 21, rule = B3/S23
10bo13bo$10bobo11bobo$10b2o12b2o$2bo$obo12bo$b2o11bo$6bo7b3o$4bobo$5b
2o6$10bo$10bo$10bo$3b2o$4b2o$3bo8b2o$12b2o!

[praosylen]

HF + Pi + block + blinker = symmetrical 38-cell SL + boat:

Code: Select all

x = 11, y = 22, rule = B3/S23
9b2o$9b2o3$8bo$7bobo$6bo3bo$6bo3bo$6bo3bo$o6bobo$o7bo$o8$7b3o$6bo3bo$
6b2ob2o!

[Extrementhusiast]

:

Code: Select all

x = 16, y = 16, rule = B3/S23
obobbooboobbbbob$
oobbboooobbooobb$
bbbooooooooobobo$
bboooooboboobboo$
bbboobobbboooobb$
obbboooobbobbobb$
bbobobooobbbbbbb$
ooobobooobooooob$
boooobbboooboooo$
booboobboobbbbbb$
ooobobbbboobboob$
bbobobbobobobbbb$
bobboboooooboobo$
bbbooooooobbbboo$
bobboobbbbboobbb$
boobobobooooobbo!

[BlinkerSpawn]

:

Code: Select all

x = 16, y = 16, rule = B3/S23
obobbooboobbbbob$
oobbboooobbooobb$
bbbooooooooobobo$
bboooooboboobboo$
bbboobobbboooobb$
obbboooobbobbobb$
bbobobooobbbbbbb$
ooobobooobooooob$
boooobbboooboooo$
booboobboobbbbbb$
ooobobbbboobboob$
bbobobbobobobbbb$
bobboboooooboobo$
bbbooooooobbbboo$
bobboobbbbboobbb$
boobobobooooobbo!

What's that thing on the right?

Code: Select all

x = 80, y = 54, rule = B3/S23
8bo$2bo6bo$obo4b3o$b2o12$47bo$47bobo$20bo14b2o10b2o$20b2o13b2o$22bo11b
obo$21bo12bobo$21bo13bo$19bo2$48b2o$48bobo$48bo10$7b3o$9bo$8bo13$77b2o
$77bobo$77bo!

[gameoflifeboy]

What's that thing on the right?

http://conwaylife.com/wiki/Smiley.
Looks like we could make an 11-12 glider synthesis from this (which is almost 15 gliders less than the current synthesis!).

[Sokwe]

Looks like we could make an 11-12 glider synthesis from this (which is almost 15 gliders less than the current synthesis!).

The previous best synthesis of smiley is actually 11 gliders (see here). This new method takes no more than 9:

Code: Select all

x = 78, y = 48, rule = B3/S23
48bobo$48b2o$49bo$8bobo$9b2o$9bo$32bo$33bo$31b3o3$33b3o$35bo$34bo$22b
3o$24bo$23bo$10b2o$9bobo$11bo2$50bo$49b2o$49bobo8$b2o$obo$2bo12$76bo$
75b2o$75bobo!

Edit: It can be done in 8:

Code: Select all

x = 43, y = 28, rule = B3/S23
28bo$26b2o$27b2o$8bo32bo$9b2o25b2o2b2o$8b2o25bobo2bobo$21b2o14bo$20bob
o$22bo2$28b2o$9b3o16bobo$11bo16bo$10bo12$3o$2bo$bo!

[Billabob]

A new 40-cell still life has appeared!

Code: Select all

x = 16, y = 16, rule = B3/S23
oobbobooboboboob$
boboobbboobobbbb$
oboobbobbbobobbb$
oooooboooobboobo$
boobbbbbooboobbo$
bobobbboobbooooo$
bbbooobobboboboo$
oobbbbbbobobboob$
obobbobbbboooboo$
obobbobbbobobooo$
bobboobooobbbbbo$
ooooboobbooooooo$
obbobbbbobbobobb$
bbooboboobbobbob$
ooooooooboobbbbb$
bboboobbooboboob!

http://catagolue.appspot.com/object/xs4 ... 78b6/b3s23

[Sokwe]

This 8-glider smiley synthesis might be considered better than the previous one, because it doesn't rely on awkwardly crossing glider paths:

Code: Select all

x = 28, y = 46, rule = B3/S23
2bo$obo$b2o6$22bobo$16bo5b2o$14bobo6bo$15b2o9$20bo$21bo$19b3o4$26bo$
25b2o$15b3o7bobo$17bo$16bo10$26bo$25b2o$25bobo$10bo$10b2o$9bobo!

[mniemiec]

I've recently been working on the next update to my web site, and I'll upload it when all the changes are made and working. One major change is that one can now directly search by agp/Catagolue names, and search results link to the corresponding Catagolue object page. I've also addressed bugs as they have been reported:

Main oscillators page (13-bit): jam is labeled as being P4
Main oscillators page (17-bit): Silver's P5 on carrier is labeled as Silver's P5 on snake (the actual Silver's P5 on snake is correctly labeled)
Triple/quintuple piston RLE: top half of one step (first in shortening process) is incorrect
Oscillators by period page (P8): label for blocker hassling P7 is colored as <1 glider/bit in image (and in the P8 oscillators page, but not in the tables in either case)
Main oscillators page (24-bit): P4 and P12 labels in image are swapped
Main oscillators page (24-bit): Merzenich's P10 is labeled in image and table as being unsolved, contradicting other parts of the site
Oscillators by period page (P10): dividing line in image is misplaced
Oscillators by period page (P12): wrongly states that no such oscillators are true P12 oscillators
Oscillators by period page (P276): size label in image colored as >1 glider/bit (when that should only be used for the cost label)
Exotic spaceships page (Caterpillar): wrongly stated that it was engineered in 2013, when it was actually completed in 2004
Flotillae page (4-SS): stated that Ecologist is Gosper puffer plus MWSS, but a LWSS is instead present in the image

Fixed.

Main oscillators page (17-bit): 199 has been typed twice

Fixed. I used to include fixed numbers in the HTML source, but it became harder and harder to maintain as lists kept changing size, so for most lists, I now include metacharacters that count the numbers of objects (i.e. the number of lines in the input file to the ZIP-file builder) instead. In this case, I forgot to remove the hard-coded number.

Main oscillators page (18-bit): French kiss is labeled as unsolved, contradicting other parts of the site (although the table and (unusually) the color of the image label are both correct)

Fixed. I had changed the color indicator, but not the number. For conformity, most of the stamp sections are separate files that are included in the main HTML file with #include, and the HTML files are run through a pre-processor. This way, if a stamp occurs in two places (e.g. 17-bit P3s occurs on both the P3 page and the 17-bit page), it only has to be maintained in one place - and if there are errors, they will occur in both places.

Oscillators by period page: oscillators of periods 23 and 41 aren't yet known (unless if there's something you aren't telling us!)

A few years ago, I was looking through the wiki and various other places to find out what periods were missing. For some reason, I seem to have thought that someone had recently (at that time) found periods 23 and 41, but I can find no evidence of it in my notes, nor on the wiki or anywhere else, so I was likely mistaken. Now corrected.

P3 oscillators page (22-bit): section is labeled as having five oscillators, when image shows six

P3 oscillators page (23-bit): section is labeled as having zero oscillators, when image shows one

Fixed. These are both a result of the automatic stamp-counting mechanism mentioned above; both the file lists were missing the newline at the end of the file, so even though the zip files were generated correctly, the line counting was off by one.

Main oscillators page (22-bit): Elkies's P5 is labeled in image and table as being unsolved, contradicting other parts of the site

This is not an error. While Elkies's P5 (20-bit) has been solved, and most larger stator variants can be derived from it, there are a few, like this 22-bit one, that currently elude synthesis. For object sizes 20-25 bits, I count 1, 1, 3, 5, 12, and 27 stator variants. Unique bases appear at 20, 22, 23, 24(x2), and 25 bits. I have also found some other unique ones at 26, 27, 27, and 28 bits. Of these, only the original 20-bit one, and the 24-bit one with the loaf currently have syntheses:

Code: Select all

x = 146, y = 10, rule = B3/S23
bo14bo14bo14bo14bo14bo14bo14bo14bo14bo$obb3o9bobb3o9bobb3o9bobb3o9bobb
3o9bobb3o9bobb3o9bobb3o9bobb3o9bobb3o$bbo14bo14bo14bo14bo14bo14bo14bo
14bo14bo$3bobobbo9bobobbo9bobobbo9bobobbo9bobobbo9bobobbo9bobobbo9bobo
bbo9bobobbo9bobobbo$bboob4o8boob4o8boob4o8boob4o8boob4o8boob4o8boob4o
8boob4o8boob4o8boob4o$4bo11bobbo11bobbo14bo11bobbo11bobbo11bobbo14bo4b
oo5bobbo11bobbo$4bobo9boo3bo8bobo3bo12boboobo7bobobboo7boobboo9boobboo
12bobobbo7bobobo10bobboboo$5boo13boo9bo3boo13booboo8bo3boo12bo14bo13bo
bobo8bobobo10boo3bo$80bo15bobo12bobo10bobbo15bobo$80boo15boo13bo12boo
17boo!

(UPDATE: you recently posted a synthesis for the 22-bit one, so that is now off the list).

Oscillators by period page (P10): 44-bit P10 labeled in table as taking 65 gliders (and in the P10 oscillators page, but not in the images in either case)

Fixed. 165 (the number shown on the images) is the correct number.

Double (skewed) eureka RLE: blocks aren't necessary

Fixed. I don't know why these blocks are there. My records show that you created the first 30-glider synthesis of this on 2013-10-07, and Matthias reduced it to 22 gliders on 2013-10-10 - and his synthesis included the extra blocks. They do, in fact form a pseudo-object with the oscillator, but as you point out, they are totally unnecessary. Removing the blocks also makes the synthesis of the skewed double eureka trivial, reducing it from 30 to 20 gliders:

Code: Select all

x = 284, y = 37, rule = B3/S23
209bobo$210boo$210bo$202bo$203bo27bobo$201b3o27boo$232bo$216bo$215bo$
215b3o$$4bo3bo119bo3bo$bboboboo121boobobo$3boobboo47bo46bo24boobboo19b
o26bo22bo26bo22bo26bo$55bobo44bobo47bobo24bobo20bobo24bobo20bobo4bo14b
o4bobo$3o53bo46bo30b3o16bo26bo22bo26bo22bo3booboo10booboo3bo$bbo131bo
124bo14bo$bo133bo$$40bo59bo$39bo61bo159bo14bo$39b3o43bo13b3o30bo22bo
26bo22bo26bo22bo3booboo10booboo3bo$84bobo44bobo20bobo24bobo20bobo24bob
o20bobo4bo14bo4bobo$33boobboo46bo16boobboo24bo22bo26bo22bo26bo22bo26bo
$34boobobo61boboboo$33bo3bo65bo3bo$$217b3o$217bo$218bo$234bo$203b3o27b
oo$205bo27bobo$204bo$212bo$212boo$211bobo!

[gameoflifeboy]

We have only 3 13-cell still lives missing, the fourth last holdout having just occurred a few hours ago:

Code: Select all

x = 16, y = 16, rule = B3/S23
obbboooobobboooo$
boobobboooobboob$
boobobbboobbbboo$
oobbbobbbooobboo$
bbboobbboboooboo$
oooboobooboobbob$
bobbobbbbbbboooo$
boboobobbbbbbooo$
bboobobobobbbbob$
ooobobobbboobooo$
oboboboboobboobo$
bobbbooobboobobb$
oboooboobbbbboob$
oobboboobbbboobb$
obooboobobboobbo$
oooooooboooooobb!

!!

Code: Select all

x = 16, y = 16, rule = B3/S23
booboboobbbbobbo$
oobboobbooobobob$
oooboobbbooooooo$
bobbboooboboobbo$
booooooboboobobo$
obbbobbobbobbbbb$
bbbobbbooboobobo$
obbobboobobooooo$
oobooboboooooobo$
ooboooobobooobbo$
obbbbobooobbboob$
boboooboobbobbbo$
obooobboboobobob$
oobbbobbobobobbo$
obboooobbooobobb$
bbboobobobbooboo!

!!!
Wait, I thought this occurred already?
Hmm, no. The integral was one cell closer that time.

Code: Select all

x = 16, y = 16, rule = B3/S23
bbbobobbobboooob$
booobbobobooobob$
obbbobooboobooob$
ooobbbooobobooob$
obooobbbooooobob$
bbobbooooobbobob$
obboobbbooboobob$
obbbbbbbboboobbb$
boboobbbobobobbb$
bboobbooobooboob$
oboboboobobobbbb$
oboobboobooobbbb$
obbboobbobooboob$
bbbbobbbbobboobo$
oooooobbooobbboo$
obobbbobbboboobb!

[calcyman]

Yes, I was also amazed to see those three results appear on the Twitter feed simultaneously!

Do we know which three 13-bitters are missing? One of them is the Sufficiently Long Snake, but I don't know what the other two are.

(I do have comprehensive lists of all small objects, so I suppose I could create a Catagolue page to display 'smallest objects not yet occurring naturally'.)

And, more importantly, when will we actually see a phoenix? Given its size, it seems well overdue.

[gameoflifeboy]

Do we know which three 13-bitters are missing?

I found this one by trial and error:

Code: Select all

x = 6, y = 7, rule = B3/S23
2b2obo$2bob2o$2o$o$bo$2bo$b2o!

[mniemiec]

And, more importantly, when will we actually see a phoenix? Given its size, it seems well overdue.

There are already 39 soups that make a Phoenix (from the dates on the comments, all apparently uploaded within the past week): http://catagolue.appspot.com/object/xp2 ... 0602/b3s23.

[Freywa]

And, more importantly, when will we actually see a phoenix? Given its size, it seems well overdue.

There are already 39 soups that make a Phoenix (from the dates on the comments, all apparently uploaded within the past week): http://catagolue.appspot.com/object/xp2 ... 0602/b3s23.

You haven't looked properly. Those dots aren't black, which stands for a C1 soup.

[mniemiec]

And, more importantly, when will we actually see a phoenix? Given its size, it seems well overdue.

There are already 39 soups that make a Phoenix (from the dates on the comments, all apparently uploaded within the past week): http://catagolue.appspot.com/object/xp2 ... 0602/b3s23.

You haven't looked properly. Those dots aren't black, which stands for a C1 soup.

Yes, I knew that, but it wasn't clear from any of the above messages that people were only looking only for C1 soups (or did I miss something?).

[Extrementhusiast]

Do we know which three 13-bitters are missing?

I found this one by trial and error:

Code: Select all

x = 6, y = 7, rule = B3/S23
2b2obo$2bob2o$2o$o$bo$2bo$b2o!

Here's the last one, elevener with two hooks:

Code: Select all

x = 7, y = 7, rule = B3/S23
2o$bo$o$b3o$3bo$3bob2o$4bobo!

[Lewis]

How long ago did this happen?

Code: Select all

x = 16, y = 16, rule = B3/S23
ooobbobbobboooob$
oooobobbbobobbob$
oboobbbbobboobob$
oooooobooboobbbb$
bboobbobooooooob$
obbbboboobobbbbb$
bbooobbboobbobob$
obobobbbbbbbooob$
bbbbbooboobobbbo$
bobbbboooboboobo$
obbbboooobboobbb$
ooobobbboooobobo$
oobbbbbbbbbbbbbo$
bbbbboboooboobbb$
oobbbbbooboooobo$
obbboobbbbbbobob!

Probably already been posted on here somewhere, but I must have missed it first time round.

[praosylen]

How long ago did this happen?

Code: Select all

rle

Probably already been posted on here somewhere, but I must have missed it first time round.

No, that one's new. I checked earlier today, and it wasn't there.

[Billabob]

xs13_5b8ozx1213 has appeared. Only the stupidly long snake and that python-tie-carrier remain.

Code: Select all

x = 16, y = 16, rule = B3/S23
bbobbooobooboobo$
bbooobobooobbbbo$
bobbooboobobbbob$
oooboobbbbboobbb$
oboboooboobooooo$
ooboboooobobbbbo$
bboobooooooobobo$
ooooobbbbbobbobb$
ooboooobbbooobob$
bbobbbobobbooobb$
bobbbbooboboooob$
bbbbobooooooobbb$
boooboobooobbbob$
obooooobbooobobb$
bobbbobbbbboobob$
booooooboobobbbo!

[gameoflifeboy]

One of the last holdouts from Okrasinski's census, Cloverleaf + 3, just occurred:

Code: Select all

x = 16, y = 16, rule = B3/S23
oobobobbbbboobob$
booooboooooobbob$
bbobobooboobobbb$
boobbbbobobbbbbo$
boboobobboooboob$
obooboobobbbbooo$
oobobbbboobbbbbo$
bbboobooobbbbobo$
obbobbbobooboboo$
booooooboobooboo$
obooooboobbobobb$
bbobobboboobobbb$
obooobbbooobbooo$
bbobbbobbboboobb$
obbooobooboooooo$
bbbbooooboobbobo!

Strangely enough, Cloverleaf + 1 never occurred in that census.

EDIT: Achim's p8:

Code: Select all

x = 16, y = 16, rule = B3/S23
obobooobbboobobo$
ooobobbooboobbob$
oooboobboobooobo$
bboboboooobooobo$
oobooooobboobbbb$
oobbobbbbboobbob$
bbboobbbbooooooo$
oobbobbobboboooo$
bobboobobboobobo$
ooobbbooooobbobb$
boobboobbobobbbo$
oooboooobobboboo$
boooboobbboobboo$
oboobbbbbobbooob$
bbboooobbbbobbbb$
oobooboobbobobbb!