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Pattern of the Year 2017

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Pattern of the Year 2017

Postby calcyman » January 1st, 2018, 10:19 am

I decided to organise a Pattern of the Year competition, starting from 2010. The competition is designed to encourage people to make exciting discoveries and ingenious patterns in Life. The rules are as follows:

  • You may enter as many patterns as you like.
  • You can vote for at most three patterns.
  • You are not allowed to vote for patterns you created or discovered yourself.
  • You cannot enter a pattern into more than one Pattern of the Year competition.
  • Only Life patterns, i.e. those that operate in the semi-totalistic Moore-neighbourhood rule B3/S23, will be permitted.
  • The pattern should be discovered in the year specified.

Apart from the above restrictions, the competition is very open-ended.


The deadline for pattern entries is 2018-01-25, at which point I will begin a new thread for voting. The pattern with the most votes by 2018-02-14 will be declared the Pattern of the Year 2017.

EDIT: Rules modernised in accordance with Dave's post below:
Last edited by calcyman on January 1st, 2018, 10:41 am, edited 1 time in total.
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Re: Pattern of the Year 2017

Postby dvgrn » January 1st, 2018, 10:30 am

calcyman wrote:I decided to organise a Pattern of the Year competition, starting from 2010...

  • You may enter as many patterns as you like, as long as you have discovered or engineered the pattern(s) yourself.

Well, of course whoever wants to do the maintenance on Pattern of the Year 2018 obviously gets to set the rules. This seems to be a copy-paste from the original Pattern of the Year 2010 thread.

Is the only-discoverer-can-nominate rule intentional? It hasn't been a feature of the last several Pattern of the Year competitions. Seems like it has worked well to allow anyone to nominate patterns -- tends to bring up a wider variety of interesting stuff to review.

... It appears I brought this up already, exactly half a decade ago:

dvgrn wrote:The first and third rules seem to need an addendum. By tradition and precedent, you're also allowed to nominate an unspecified reasonable number of patterns discovered or engineered by others -- just provide links and proper attribution as usual... According to Calcyman in the 2010 thread, it's okay to vote for patterns you nominated, as long as you didn't have a hand in the construction.
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Re: Pattern of the Year 2017

Postby Kazyan » January 1st, 2018, 11:43 am

Getting a few out of the way:

Orthogonoid 2^23: Do you like self-constructing spaceships? Do you not like it when something has a CPU-imploding bounding box but only uses a thin diagonal strip of it? Me too. But the orthogonoid transmits information with MWSSs instead of gliders, letting it fit into a thin horizontal sliver of space instead of a diagonal one, making its bounding box very small (as far as engineered spaceships are concerned).

Single-Channel Quadratic Growth: So you have some gliders and some snarks, and that's basically it. Yet, it's somehow a quadratic growth pattern, which builds itself out of a single stream of gliders. A culmination of single-channel technology that looks like an exercise in how to break HashLife, and combines elegant simplicity with incomprehensibility.

Tanner's p46: A sparky p46 oscillator that various guns can be made from, and it's not the twin bees shuttle. It's still a niche addition to p46 technology, but has already been used to make smaller guns in the gun collection, and is the basis for a small gliderless MWSS gun.

Runny Nose: It's minor, but worth at least a footnote. This 21-bit period 3 oscillator was an unexpected gap in the lists of small objects, which caused a minor investigation into if there was anything else down there. Answer: yes. It's an example of the "beginner's luck" that sometimes happens in this hobby when you search where you're not expected to find anything.
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Re: Pattern of the Year 2017

Postby danny » January 1st, 2018, 2:31 pm

I would like to nominate Two-engine cordership because it is now the smallest 8c/96 spaceship.
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Re: Pattern of the Year 2017

Postby M. I. Wright » January 1st, 2018, 2:36 pm

The Quest for Tetris behemoth. Personally I don't like this solution at all, but I suppose it deserves recognition if just for the time that went in.
I was going to further nominate some of AbhpzTa's early contributions but it turns out those were 2016 haha. Will probably edit this post with any that come to mind.
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Re: Pattern of the Year 2017

Postby A for awesome » January 1st, 2018, 3:01 pm

M. I. Wright wrote:The Quest for Tetris behemoth.

My basic impression of that pattern:
David Wheeler wrote:All problems in computer science can be solved by another level of indirection, except for the problem of too many layers of indirection.
x₁=ηx
V ⃰_η=c²√(Λη)
K=(Λu²)/2
Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt)

$$x_1=\eta x$$
$$V^*_\eta=c^2\sqrt{\Lambda\eta}$$
$$K=\frac{\Lambda u^2}2$$
$$P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}$$

http://conwaylife.com/wiki/A_for_all

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Re: Pattern of the Year 2017

Postby gmc_nxtman » January 1st, 2018, 3:14 pm

I have a soft spot for this kind of thing, but I'd like to nominate the p148 B29 gun completed by AbhpzTa, Dave Greene, and Adam P. Goucher.

EDIT: I'd additionally like to nominate the 39-glider synthesis of sufficiently large odd N-bit still lifes by Tanner Jacobi, Adam P. Goucher, and Chris Cain, as well as the 38-glider synthesis of sufficiently high even bit counts by the same people and BlinkerSpawn.
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Re: Pattern of the Year 2017

Postby Majestas32 » January 1st, 2018, 3:35 pm

Any of these:
dvgrn wrote:
Tom Mazanec wrote:What is lifology's biggest development of the year (feel free to update if there is a new one in the next 13 days)?


January 2017: Stephen Eker found a record-setting small Garden of Eden with a population of 50 and only 88 ON cells.

February 2017: wildmyron's fixed-length tail for a lightspeed bubble of arbitrary width in the 'stripes' agar.

March 2017: AbhpzTa's three-glider synthesis of a switch engine.

June 2017: new and much smaller spiral-growth pattern based on single-channel technology, demonstrating the construction of lossless signal elbows (Snark reflectors). -- I may be a little biased about this one, and the impenetrable jargon probably gives it away. Also in June, new Demonoid and Orthogonoid spaceships.

September 2017: Also, a small "tremi-Snark" period tripler allowed the gun collection to be packed into a smaller space... yet again.

October 2017: discovery of Kazyan's quadri-Snark.

November 2017: color-preserving and color-changing "semi-cenarks".

December 2017: dbell's adjustable cordership and the Synthesis of 25P3H1V0.2.
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Re: Pattern of the Year 2017

Postby Macbi » January 1st, 2018, 3:51 pm

calcyman wrote:
  • You can vote for at most three patterns.

Why only three votes each?
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Re: Pattern of the Year 2017

Postby dvgrn » January 1st, 2018, 4:01 pm

Macbi wrote:
calcyman wrote:
  • You can vote for at most three patterns.

Why only three votes each?

That was the original wording from 2010. It's possible that Calcyman might be convinced to adopt Alexey's voting system from 2016:

Alexey_Nigin wrote:Vote only for the patterns you like, and give each of them 1, 2, or 3 stars depending on how much you like them. You can vote for your own patterns if you want. Here is an example vote:

#01 *
#02 **
#04 ***
#08 *

That voting system got at least one positive comment (and for the record I liked it too):

Nathaniel wrote:Glad we get to vote for more than just our top 3 :)
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Re: Pattern of the Year 2017

Postby Sokwe » January 2nd, 2018, 5:31 am

-Matthias Merzenich
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Re: Pattern of the Year 2017

Postby Gamedziner » January 2nd, 2018, 9:41 am

danny wrote:I would like to nominate Two-engine cordership because it is now the smallest 8c/96 spaceship.

I second this notion.
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Re: Pattern of the Year 2017

Postby Naszvadi » January 3rd, 2018, 11:27 am

Does this count (as first Glider-less Unit cell)?

../forums/viewtopic.php?f=2&t=3154
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Re: Pattern of the Year 2017

Postby dvgrn » January 9th, 2018, 7:51 pm

Guess I'll nominate my triple wickstretcher from back in June, also in Golly as Patterns/HashLife/triple-Snark-wick-extruder.rle.gz . It uses pretty much the same technology as, but is maybe a little more well-behaved than, the smallest spiral-growth pattern -- seems to run at a reasonable speed, and then it should give you a decent speedup after it runs long enough, if you have enough memory to keep hashtiles through a full cycle.

... That's if you switch the pattern over to the HashLife algo before you start it. I checked the pattern in as an rle.gz because it was smaller that way -- but I probably shouldn't have done that if I wanted it to live in the HashLife folder.
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Re: Pattern of the Year 2017

Postby Entity Valkyrie » January 10th, 2018, 9:27 pm

Hi! This is Entity Valkyrie! I made this period 960 2-engine Cordership Gun. Can I enter it into this competition?

x = 615, y = 366, rule = B3/S23
606bo$604b3o$603bo$430b2o122bo48b2o$430b2o122b3o$557bo42b2o$556b2o43b
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obo36bo34b4o13b2o$453b3o3b2o37bob2o30b2ob3o$499bo31b3o3bo48b3o4b2o$
431bo2bo18b3o3b2o42bo25bobo5b3o43bob2obo3bo2bo$429b4o19bo2b2o2bobo39bo
26bob2ob3obo44bo9bo2b2o$435bo15b6o3bo41bo26b2o3b2o36b2o8bo3bo4bo2b2o$
429b2o2b2o17bo2b2o109b3o3bobo8b4o4b4o$453b2obo72b2o3b2o30bo7bo2b2o$
433b2o19b3o59b3o9bob2ob3obo28bobo4b2o2b2o$434b2o79bo2bo10bobo5b3o27b2o
$430bo2b2o80bo3bo11b3o3bo$441b2o71b2o2bo13b2ob3o$441b2o73bo16b4o$517b
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461b2o117bo12bob4ob4obo$461bo55b2o37bo2b2ob2o2bo12bo14bo3bobo3bo$444b
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444b2o73bo2bo$67bo283b2o80bobo8b2o72b2ob2o$67b3o272b2o7b2o21bo2bo55bo
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$117b3o224b2o30b2ob2o76bo2bo$116bo256bo7bo50bo2b3o18bo2bo61b2o$116b2o
255bobob3o2bo49b2o22bo6bo55b2obo$166b2o206b2obob3o52b3o18bo2bo3bobo53b
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186b3o18bo7bo73bo2bo3bobo17b2o47bobo3bo2bo$68b2o50bo5b2o35bo3bo184bo
23b2ob2o75bo6bo18bo49b2o3b3o$65b2obo52bo4b2o31bo7bo183b3o19bo5bo46b2o
28bo2bo23b3o$65b4o51bo37bo4bo4bo204bo4bo46bobo29bo2bo24bo19bobo24b2o3b
3o18b2o$67b2obo47b2o18b2o19b2o3bo3bo6b2o192bobo2bo2bo47bo32b2o45b2o24b
obo3bo2bo16bobo$64bob4o46b3o18b4o24bobo7bo194b2o52b2o7b2o71bo25bo4bo2b
o16bo$64bobo19b2o28bo3bo15b3ob2o24bo6bobo186b2o6bo62b2o67b2o33bo2bo15b
2o$65bo20b2o29b4o15bo3b3o30b2o187b2o137bobo32bob2o$121bo12b3o5bobo291b
2o63bo34b2o$74bo8b2o5b2o7b2o19b2o14bob3ob2obo213b2o75b2o62b2o7b2o$75b
2o6b2o5b2o7b2o19b2o16b2o3b2o214b2o148b2o$74b2o36bo41bo$95b2o5b2o7bo26b
2o3b2o8bo279b2o77b2o$95b2o5b2o7b3o22bob3ob2obo7b3o206b2o69b2o77b2o$
134b3o5bobo217b2o$136bo3b3o$136b3ob2o240b2o125b2o$137b4o241bo126b2o$
138b2o225b2o16b3o$365b2o18bo78b2o13bo3bo$72bo3bo78b2o307bo13bobobobo$
71bobobobo77b2o305bobo14b2ob2o$72b2ob2o285b2o77bo3bo16b2o$106bo3bo3bo
3bo39b2o202b2o76bobobobo$106bo2bobobobo2bo39b2o279bo2bobo2bo27b5o3b5o$
68b2o9b2o29b2ob2o250b2o71b2ob2ob2ob2o26bob4ob4obo$68bob4ob4obo284b2o
70bo3bo3bo3bo25b2obobobobob2o$69bo3bobo3bo27bo2b2ob2o2bo37b2o215b2o62b
o2bob2ob2obo2bo25bobobobobobo$69bo3bobo3bo26bobo7bobo36b2o214bobo65bo
7bo29b3o3b3o$70b3o3b3o28b2ob2ob2ob2o255bo4b3o60b2ob2o32bo5bo$107b2o2bo
bo2b2o237bo21b2obo55bo5bobo5bo$109bobobobo238b3o19bo2b2o56b2ob2o3b2ob
2o$110bo3bo37b2o200b3o18b6o3bo$152b2o222bo2b2o2bobo$354b4o19b3o3b2o$
353b5o$155b2o196b2obo20b3o3b2o$155b2o219bo2b2o2bobo17b2o$375b6o3bo18bo
60b2o5b2o$104bo47b2o193b2o27bo2b2o23b3o57b2o5b2o$105b2o45b2o192bobo28b
2obo25bo$104b2o18bo221bo31b3o71b2o5b2o7b2o$123bo221b2o7b2o96b2o5b2o7b
2o64bo$123b3o10b2o216b2o176b3o$134b2obo317b2o74bo$133bo2bo220b2o96b2o
17bo3bo52b2o$94b2o37bo2bo4bo215b2o114b3obo2bo10b2o$94b2o37bo2bo3bobo9b
o296b2o22bobobo13b2o$134b3o3b2o9b2o294b3ob2o26bo$151bobo200b2o76b2o13b
obob2o26b2o7b2o5b2o$134b3o3b2o212b2o76b2o11b2obo24bo3bobo8b2o5b2o$133b
o2bo3bobo334bobo$133bo2bo4bo286b2o5b2o7bo$133bo2bo21bo11b2o256b2o5b2o$
134b2obo19bo3b2o7bobo353b2o3b2o$136b2o19b6o9bo$79b2o76b3o3bo8b2o211b2o
13bo3bo80b2o40bo3bo$79b2o75b2ob2o2b2o220bo13bobobobo79bo42b3o$155bo3b
2ob2o219bobo12bo2bobo2bo79b3o39b3o$156b2o203b2o3b2o15b2o12b2ob2ob2ob2o
30b2o48bo$360b2obobob2o27bo3bo3bo3bo30bo$359b3obobob3o25bo2bob2ob2obo
2bo26b3o79b2o$358bo3b2ob2o3bo27bo7bo29bo81b2o11b2o$163b2o193bo11bo29b
2ob2o126bo$163b2o194bo9bo25bo5bobo5bo122b3o$148b2o19b2o225b2ob2o3b2ob
2o125bo$149bo19bo192b2ob2o$15bo83b2o48bobo10bo4bobo191bobobobo26b2o$
15b3o81bo50b2o9b4ob3o193bo3bo2b2o22b2o$18bo81b3o57b2obob2o228bo$17b2o
48bo34bo56b3obo2bo203b2o$65b3o92b2obobo204b2o161b2o$64bo96b4o368b2o$
64b2o96bo2$385b2o5b2o$7b2o5b2o369b2o5b2o$7b2o5b2o$25b2o53b2o291b2o5b2o
7b2o$11b2o12b3o30b2o7b2o5b2o5bo291b2o5b2o7b2o$11b2o12bo4b2o35b2o5b2o2b
3o$27b2o2bo25bobo18bo297b2o$29b2o24bo14b2o304b2o135b2o83bo$29bo21b2obo
b2o12b2o340b2o100bo81b3o$34b2o16bob2o35b2o306bo12b2o97b3o81bo$34b2o17b
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ob2o86bo164b2o11b4o27bo11b2o5b2o131bo$31b2o5b2o7b2o49b2obo84b3o181bo
177b2o$185bo163b2o5b2o8bo4bo$43b2o5b2o133b2o162b2o5b2o9b2obo$43b2o5b2o
317bo229bo5b2o$182b2o414b3o4b2o$181bobo222b2o124b2o62b2o2bo$110b2o71bo
181bo3b2o35bo125bo5b2o5bo50b2o$110bo238bo14bobo3bo36b3o123b3o2b2o4bo
52bob2o$101b2o5bobo238b3o5b2o4bobo3bo39bo125bo9bo51b4o$101b2o5b2o242bo
4bo5bo4bo177b2o47bob2o$20bo3bo73b2o211bo39bo3bobo4b2o5b3o175b3o46b4obo
$18b2obobob2o6bobo61b3o211b3o36bo3bobo14bo149b2o22bo3bo28b2o19bobo$17b
o3bobo3bo6b2o62b2o214bo35b2o3bo165b2o22b4o29b2o20bo$16bo3b2ob2o3bo5bo
13bo9bo3bo38b2o210b2o229bo$16bobo7bobo19bobo6bobobobo37b2o160b2o247b2o
bo28b2o19b2o7b2o5b2o8bo$17bo9bo20b2o8b2ob2o200b2o93bobo151bob2o28b2o
19b2o7b2o5b2o6b2o$56b3o3b3o288b3o7b2o5b2o181bo36b2o$20b2ob2o30b2o7b2o
87b2o198bo2b2o4bobo5b2o182bo7b2o5b2o$19bobobobo28b3obo3bob3o27bo58b2o
111b2o43bo3b3o35b2ob4o192b3o7b2o5b2o$20bo3bo16b2o10b2o3b2ob2o3b2o25b3o
170b2o35b2o5bobo2b5o35b3o8b2o$41bobo9b3o2b2ob2o2b3o25b3o207b2o5bo8b2o
45b2o$43bo10b2o9b2o83b2o111b2o46b3o4b2o165bo16b2o$43b2o10b4o3b4o25b2o
3b2o52b2o102b2o7b2o42b2o4b2o3bo164b3o17bo$57bo5bo27b2o3b2o157bo32b2o
17b2o173bo20bobo7b2o$57bo5bo89b2o100bobo28b2obo53b2o137b2o20b2o5bo2bo$
153b2o101b2o27bo2bo54b2o165bo7b2o67b3o3b3o$127bo3b2o152bo2bo4bo216bo6b
o2bo65bo3bobo3bo$125b2obo156bo2bo3bobo35b2o7b2o5b2o132bo29bo6bo2bo65bo
3bobo3bo$12b2o92b2o17b3o135bo22b3o3b2o36b2o7b2o5b2o131b3o29bo2bo5bo30b
o3bo29bob4ob4obo$12b2o77b2o13bo17bo6bo130b5o211bo3bo30b2o5bo29bobobobo
28b2o9b2o$92bo11bobo16bo2bobobobo134bo18b3o3b2o33b2o5b2o141bob3obo34bo
bo27b2o2bobo2b2o$89b3o12b2o18b3obob2o153bo2bo3bobo32b2o5b2o142b5o35bob
o27b2ob2ob2ob2o$15b2o72bo172bo3bo18bo2bo4bo56bo168bo27bobo7bobo29b2ob
2o$15b2o107b3obob2o131b3o19bo2bo60bo198bo2b2ob2o2bo29bobobobo$123bo2bo
bobobo19b2o132b2obo59b3o219b2o16bo3bo$12b2o110bo6bo19bobo126bobo5b2o
32bobo191b2o3b2o28b2ob2o14bobo$3b2o7b2o111b3o25bo127b2o40b2o191bo5bo
24bo2bobobobo2bo10bo$4bo34b2o84b2obo152bo41bo223bo3bo3bo3bo9b2o$4bobo
32bob2o21bo62bo3b2o15b2o124b2o78bo3bo158bo3bo$5b2o33bo2bo18b3o82b2o2bo
122b2o77bobobobo158b3o$35bo4bo2bo17bo84bo4bo199b2o2bobo2b2o$34bobo3bo
2bo17b2o79b2o2b4obo119b2o43bo3bo30b2ob2ob2ob2o120b2o$35b2o3b3o99b2o3bo
2b2o119b2o42bobobobo28bobo7bobo119bo$14bo131b5o165b2ob2o30bo2b2ob2o2bo
121b3o114b2o$15bo19b2o3b3o102b3obo335bo35b2o77b2o$12bob3o17bobo3bo2bo
84bo16b2o127b2o37b3o5b3o30b2ob2o162bo$11b2o2b2o18bo4bo2bo84bobo143b2o
36bo4bobo4bo25bo2bobobobo2bo159b3o$11b2o2b2o23bo2bo84b2o181bo5bobo5bo
10b2o12bo3bo3bo3bo161bo71bobo$39bob2o99b2o150b2o16bo4bobo4bo10bobo255b
2o$15b2o22b2o59bo3bo37b2o150bo17b2o3bobo3b2o10bo256bo5bo$11bo4bo82bobo
bobo171b2o16b3o36b2o256bo7b2o$11bo4bo83b2ob2o172b2o18bo16b3o3b3o250bo
17b2ob2obo2b2o7b2o$13bobo7b2o37bo3bo504b2obo16b2obo2bo11bo$23b2o8bobo
25bobobobo29b3o5b3o37b2o361b2o39bo21bo3bo17b4o10bobo$34b2o23b2o2bobo2b
2o19bo6bo4bobo4bo22bo13b2o127b2o232b2o39b3o17bo5bo18b3o10b2o$20b2o12bo
24b2ob2ob2ob2o18b2o5bo5bobo5bo20b2o142b2o276bo16bo5bo2bo$20b2o36bobo7b
obo17bobo5bo4bobo4bo21bobo418b2o16bo7bobo11bo$59bo2b2ob2o2bo7b3o16b2o
3bobo3b2o168b2o292b4o2b2o10b2o$79bo197b2o311b2o$23b2o18bo18b2ob2o11bo
19b3o3b3o39bo6b2o416b4o2b2o$23b2o16b3o14bo2bobobobo2bo74bobo3bobo129b
2o284bo7bobo$40bo17bo3bo3bo3bo74bobo2b2o130bobo7bo3b2o271bo5bo2bo$40b
2o107bobo132bo5b2obo275bo5bo$149b2o3bo135b3o230b2o46bo3bo$20b2o107b2o
19bo115b3o20bo6bo226b2o46b2obo$20b2o105b2obo135bobo19bo2bobobobo275bo$
126bo2bo136bo2bo19b3obob2o$126bo2bo4bo20bobo109b3o319b2o$17b2o66b2o5b
2o32bo2bo3bobo20b2o109b3o19b3obob2o18b2o272b2o$17b2o12b3o51b2o5b2o33b
3o3b2o21bo108bo2bo19bo2bobobobo16bobo$33bo234bo20bo6bo17bo277b2o$20b2o
10bo40b2o5b2o7b2o36b3o3b2o89bo34b2o4bo24b3o20b2o277b2o$13bo6b2o51b2o5b
2o7b2o35bo2bo3bobo89b2o31bobo29b2obo107bo$13b2o79b2o30bo2bo4bo89b2o32b
o8bo24bo3b2o101b2o$15bo21b2o37b2o14b2obo30bo2bo33b2o92b2o7bo133b2o101b
2o65bo18b2o$13b2o21b4o32b2ob3o14bo34b2obo32bobo100b2o236bo65b3o16b2o$
12bobo20b2ob3o30bob4o15bobo17b2o15b2o34bo335b3o69bo$13bo20b3o3bo29b2ob
obo17b2o2bobo12b2o42b2o7b2o102b2o230bo70b2o$11bobo18bobo5b3o27bo2bob2o
21b2o56b2o111b2o$9bo21bob2ob3obo12b2o19b2o22bo10b2o5b2o474b2o$9bobo20b
2o3b2o14b2o12bo3b4o34b2o5b2o35b2o437b2o$66bo86b2o111b2o$32b2o3b2o10b2o
5b2o8b3o197b2o$31bob2ob3obo8b2o5b2o537b2o$32bobo5b3o113b2o437b2o$2b2o
30b3o3bo115b2o364b2o$bobo31b2ob3o65b2o414bo69b2o$bo34b4o66bo416b3o66b
2o$2o7b2o26b2o68b3o415bo$9b2o48b2o48bo$60bo197bobo312b2o3bo$12b2o43b3o
199b2o250b2o64bob2o$12b2o43bo201bo251b2o65b3o$217bo174bo181bo6bo$215b
3o172b2o110b2obo67bobobobo2bo$9b2o203bo176b2o109bob2o68b2obob3o10b2o$
9b2o154bo48b2o376bobo$165b3o406b2obob3o10bo$168bo404bobobobo2bo$167b2o
405bo6bo$117b2o459b3o18b2o9b2o$117b2o373b2o83bob2o17bobo9bobo$208b2o7b
2o5b2o267bo79b2o3bo19bob2o10bo$217b2o5b2o267bobo5b2o95bo2bo10b2o$120b
2o53b2o2b2o26bobo284b2o5b3o91b2ob2o2bobo$120b2o35b2o5b2o8b3o28bo14b2o
281b2obo88b3o5bo$157b2o5b2o15bo19b2obob2o12b2o281bo2bo$117b2o53bobo27b
ob2o297b2obo$108b2o7b2o42b2o10b4obo2bo21bo297b3o$109bo34b2o15b2o11b3ob
3o71bo248b2o$109bobo31bo2bo50b2o54b2o348b2o$110b2o32bo2bo49b2o53b2o
349b2o$140bo6bo$139bobo3bo2bo35b2o7b2o5b2o169bobo134b3o$140b2o3b3o36b
2o7b2o5b2o169b2o$372bo135bobo$140b2o3b3o33b2o5b2o317b5o$139bobo3bo2bo
32b2o5b2o316b2o3b2o$119b3o18bo6bo358b2o3b2o$119b2o23bo2bo$120bobo20bo
2bo$122bo21b2o$123b2o82bo5bo279b2o$121bobo83bo5bo279b2o$121b2o5b2o75b
4o3b4o295b2o$128b2o74b2o9b2o294bo$203b3o2b2ob2o2b3o278b2o14b3o$125b2o
41b3o3b3o26b2o3b2ob2o3b2o157bo120b2o16bo$125b2o40bo3bobo3bo26b3obo3bob
3o158bobo$167bo3bobo3bo27b2o7b2o159b2o116b2o$166bob4ob4obo27b3o3b3o
269b2o7b2o5b2o19bo$128b2o36b2o9b2o29b2ob2o272bo13bobo18bob2o$128b2o77b
obobobo271bobo10b2o19bo3bo$190b2o16bo3bo273b2o12bo18bo5bo14b2o$148b2o
20b2ob2o14bobo308bobo13bo2bo5bo15bo$148bo20bobobobo13bo312b2o11bobo7bo
15bobo$131b2o16b3o18bo3bo13b2o311b3o12b2o2b4o18b2o$131b2o18bo$516b2o2b
4o$515bobo7bo$128b2o386bo2bo5bo$128b2o389bo5bo$519bo3bo$131b2o387bob2o
$124bo6b2o388bo$124b2o$126bo17b2o358b2o$124b2o17b4o357b2o$123bobo16b3o
b2o$124bo17bo3b3o352b2o$122bobo15b3o5bobo350b2o$120bo21bob3ob2obo$120b
obo21b2o3b2o$504b2o18bo$144b2o3b2o353b2o16b3o17b2o3b2o12b2o$142bob3ob
2obo369bo19b2obobob2o12bo$140b3o5bobo370b2o17b3obobob3o11bobo14b3o3b3o
$113b2o27bo3b3o390bo3b2ob2o3bo11b2o$112bobo27b3ob2o353b2o36bo11bo25b2o
3bobo3b2o$112bo30b4o248bo105b2o37bo9bo26bo4bobo4bo$111b2o7b2o22b2o248b
o181bo5bobo5bo$120b2o272b3o146b2ob2o29bo4bobo4bo$498b2o42bobobobo29b3o
5b3o$123b2o373b2o43bo3bo$123b2o456b2ob2o$501b2o77bobobobo$501b2o78bo3b
o$120b2o172bo$120b2o171bobo$293b2o221bo3b2o$514b2obo$514b3o$513bo6bo$
512bo2bobobobo23b2o7b2o5b2o$513b3obob2o33b2o5b2o$544bobo$499b2o12b3obo
b2o21bo14b2o7b2o5b2o$498bobo11bo2bobobobo16b2obob2o12b2o7b2o5b2o$500bo
12bo6bo18bob2o41b2o$483b2o11bo17b3o23bo29b2o12b3o$482bobo10bo18b2obo
52b2o12bo4b2o$482bo12bo2b2o16bo3b2o12b2o50b2o2bo$132b2o71b4o272b2o7b2o
4b3o35b2o52b2o$132bobo69bo3bo281b2o5bo90bo$127b2o4b3o72bo321b2o5b2o54b
2o$123b4o2bo4b3o67bo2bo285b2o35b2o5b2o54b2o$123b3ob2o4b3o357b2o$132bob
o455b2o5b2o$132b2o456b2o5b2o$490b2o$490b2o$540b2o$541bo$538b3o$282bo2b
o252bo48b2o$139bo39b2o105bo300bo$138b3o31b3o4b2o101bo3bo301b3o$137b5o
29b5o6b2o99b4o303bo$136b2o3b2o27bobo3bo5b3o$137b5o28b2o3bo6b2o$137bo3b
o37b2o$138bobo38b2o$137b3o$136b2o$137bo$134b3o$134bo$186bo$185b3o$184b
5o$183b2o3b2o3$187bo$187bo2$183b2o$184bo$181b3o$181bo!
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Re: Pattern of the Year 2017

Postby Majestas32 » January 11th, 2018, 12:54 am

Entity Valkyrie wrote:Hi! This is Entity Valkyrie! I made this period 960 2-engine Cordership Gun. Can I enter it into this competition?

x = 615, y = 366, rule = B3/S23
RLE


This is PotY *2017* and the gun was discovered in 2018 so no. (And even then it might not meet the notability guidelines. Though they're much less strict than wikipedai)
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Re: Pattern of the Year 2017

Postby Naszvadi » January 17th, 2018, 4:04 am

Naszvadi wrote:Does this count (as first Glider-less Unit cell)?

../forums/viewtopic.php?f=2&t=3154


Note that I am confused: the mentioned constuction heavily based on Kazyan's and Sokwe's p46 MWSS guns - so I encourage the authors to merge if they are allowing it!
Is it worth to notice that the unit cell also counts as an alien rule discovery, improving "portability" of logic universality results from 2005 by Jason Summers.
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Re: Pattern of the Year 2017

Postby Goldtiger997 » January 22nd, 2018, 9:53 pm

To clarify, these are all the entries I see:
Edit: adding some more that were suggested:

Some of the entries (such as runny nose) are not that notable, but while that have no chance of winning the competition, It's probably fine to keep them as the POTY can also function as recognition for some interesting but not very interesting/notable/useful patterns.

Lastly, I'm too biased to tell, but are the stable signal converters created mostly by dvgrn and myself worthy enough for entry?

Edit 2: Sorry Macbi, I should have tested that that link went where I thought went :oops: . I've added the single channel quadratic-growth pattern as a separate entry.
Last edited by Goldtiger997 on January 23rd, 2018, 11:53 pm, edited 3 times in total.
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Re: Pattern of the Year 2017

Postby dvgrn » January 22nd, 2018, 10:24 pm

Goldtiger997 wrote:To clarify, these are all the entries I see...

Thanks for all the links! Here's the triple-wickstretcher link.

Goldtiger997 wrote:Lastly, I'm too biased to tell, but are the stable signal converters created mostly by dvgrn and myself worthy enough for entry?

Well, I'm biased too, but really anybody is perfectly well allowed to nominate anything they want to nominate. So please add them to the list!
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Re: Pattern of the Year 2017

Postby gameoflifeboy » January 23rd, 2018, 1:41 am

Before it's too late, I'd like to nominate my cumulative sum generator: a device that takes in a stream of gliders and returns a stream of gliders whose positions correspond to the partial sums of the positions of the original gliders.
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Re: Pattern of the Year 2017

Postby Macbi » January 23rd, 2018, 9:15 am

Goldtiger997 wrote:To clarify, these are all the entries I see:

I think you've accidentally combined the single channel spiral-growth pattern (by Dave Greene) and the single channel quadratic-growth pattern (by Dave Greene and me). At the moment the entry you describe as spiral-growth links to the quadratic-growth pattern.
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Re: Pattern of the Year 2017

Postby 77topaz » January 23rd, 2018, 5:53 pm

calcyman wrote:You can vote for at most three patterns.


To clarify, does this mean three equal votes, or ranked votes, like some of the POTY competitions have used in the past?
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Re: Pattern of the Year 2017

Postby BlinkerSpawn » January 23rd, 2018, 6:23 pm

77topaz wrote:
calcyman wrote:You can vote for at most three patterns.


To clarify, does this mean three equal votes, or ranked votes, like some of the POTY competitions have used in the past?

Sounds like equal votes for now: the ranked-votes system from last year didn't have this limitation.
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Re: Pattern of the Year 2017

Postby dbell » January 23rd, 2018, 11:36 pm

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Re: Pattern of the Year 2017

Postby Apple Bottom » January 24th, 2018, 4:26 am

Majestas32 wrote:(And even then it might not meet the notability guidelines. Though they're much less strict than wikipedai)


POTY competitions do not have rules regarding notability; you're thinking of the LifeWiki, most likely.
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