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Figure eight on pentadecathlon (xp120_4r4y13bg2kgz4r4y511)

x = 1, y = 1, rule = B3/S23
This pattern is an oscillator.
This pattern is periodic with period 120.
This pattern runs in standard life (b3s23).
The population fluctuates between 24 and 66.
This evolutionary sequence works in multiple rules, from b3-kys23-jkr through to b34ckqtyz5-ek6ace7cs234cyz5ejknr6-ce.

Pattern RLE

Code: Select all

Glider synthesis

Code: Select all
#C [[ GRID MAXGRIDSIZE 14 THEME Catagolue ]]
#CSYNTH xp120_4r4y13bg2kgz4r4y511 costs 7 gliders (true).
#CLL state-numbering golly
x = 62, y = 24, rule = B3/S23

Sample occurrences

There are 18 sample soups in the Catagolue:

Official symmetries

SymmetrySoupsSample soup links

C1 3    

G1 1  

Unofficial symmetries

SymmetrySoupsSample soup links

catforce_stdin 6         

mvr_catsoup_stdin 3    

ror_stdin_test 1  

stdin_natural_LCM 4     

Comments (21)

Displaying comments 1 to 20.

On 2020-09-28 at 15:56:20 UTC, mextra200 wrote:


On 2020-04-01 at 01:36:13 UTC, 27saka.fitrady wrote:


On 2020-02-26 at 18:01:03 UTC, Someone wrote:

Seems everyone in this comment thread was wrong — p16 was next (at least, if you count G1, which is functionally identical). I guess I did hedge my bets with "something else as-yet-undiscovered" — but that's not really a specific prediction, even if it was technically a correct one.

On 2020-01-24 at 22:46:07 UTC, Someone wrote:

One in G1!

On 2019-04-28 at 06:04:11 UTC, Someone wrote:

I call this the boring p120 :)

On 2019-04-18 at 17:51:53 UTC, Someone wrote:

Someone bring paulrw64@live back— I wonder what he would say

Probably “I hate how people get excited over Golly Gibberish”

On 2019-03-21 at 19:13:45 UTC, Someone wrote:

Despite having a maximum population of 66, this doesn't appear in the large objects list on the stats page, probably due to its high period preventing it from being automatically calculated.

On 2019-03-08 at 16:46:48 UTC, Someone wrote:

In terms of new tabulations, the only non-boring (in the technical sense) thing I'm expecting to show up in C1 soon is the loafer. More longshot-type things would be 24p10, the copperhead, the pufferfish, Puffer 2, a 2-engine Cordership, and something else as-yet-undiscovered. And even though it isn't C1, I'm also expecting a bi-gun to show up in C2_2 in the fairly near future.

On 2019-03-05 at 08:06:41 UTC, Someone wrote:

Appears in C1!

On 2019-03-04 at 03:13:55 UTC, Someone wrote:

p12 mold on candlefrobra - Maybe p60 mold and pentadecathlon - Maybe xq7 loafer - Probably not yl140 Puffer 2 - Maybe xq12 middleweight schick engine - Probably not Any 43 bit still life - Maybe Any 60 bit still life - Maybe A new linear growth period - Almost definitely The last of the xq4 spaceship flotillae - Maybe 25P3H1V0.1 or 25P3H1V0.2 - No

On 2019-03-04 at 02:50:14 UTC, Someone wrote:

Let's go!! ~Hdjensofjfnen

On 2019-03-03 at 20:10:19 UTC, Someone wrote:

I also feel like Noah's ark (yl1344) should show up in the not-too-distant future since it's just two switch engines, oh and don't forget Gosper glider gun -Ian07

On 2019-03-03 at 18:57:35 UTC, ozziene@yahoo.co.uk wrote:

The next things are gonna be:

p12 mold on candlefrobra p60 mold and pentadecathlon q7 loafer yl140 Puffer 2 q12 middleweight schick engine Any 43 bit still life Any 60 bit still life A new linear growth period The last of the xq4 spaceship flotilla 25P3H1V0.1 or 25P3H1V0.2

Which will come first?

On 2019-03-03 at 18:05:04 UTC, mauro.a.araya wrote:

And it appears!!!

On 2019-03-03 at 16:12:37 UTC, Someone wrote:

My guess is xp60, but specifically a mold on pentadecathlon. -Ian07

On 2019-03-03 at 15:58:07 UTC, wtnmmo wrote:

@apgoucher I think either p60 or p19, p60 from the QB hassling blinker (see 1x256 symmetry) and p19 because I feel like it

(I'm testitemqlstudop)

On 2019-03-03 at 15:50:52 UTC, apgoucher wrote:

Excellent! Now the question of 'what will be the next oscillator period to occur naturally?' is much more difficult. My guess would be a trivial period-10 oscillator.

On 2019-03-03 at 14:58:29 UTC, Someone wrote:

Given that the predecessor to the figure eight this particular isomer involves the pentadecathlon's spark directly, it wouldn't surprise me if this ended up being the most common isomer in the end.

On 2019-03-03 at 14:24:19 UTC, Someone wrote:


On 2019-03-03 at 14:18:46 UTC, wtnmmo wrote:


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