Difference between revisions of "Very long prodigal"

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m (Update synth cost)
 
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Line 6: Line 6:
|by              = 4
|by              = 4
|fc              = 33.0
|fc              = 33.0
|discoverer      = Robert Wainwright
|discoverer2      = Everett Boyer
|discoveryear    = 1973
|rulemin          = B/S23
|rulemin          = B/S23
|rulemax          = B3678/S012345678
|rulemax          = B3678/S012345678
Line 11: Line 14:
|isorulemin      = B/S2-i3cn
|isorulemin      = B/S2-i3cn
|isorulemax      = B2cin34-ejk5-q678/S012345678
|isorulemax      = B2cin34-ejk5-q678/S012345678
|synthesis        = 8
|synthesis        = 6
|plaintext        = true
|plaintext        = true
|rle              = true
|rle              = true
|apgcode          = xs12_25a842ac
|apgcode          = xs12_25a842ac
|niemiecid        = 12.51
|pentadecathlonid = 12.18
|pentadecathlonid = 12.18
}}{{stub}}
}}
The '''very long prodigal''' is a [[still life]] with {{slcells|12}} cells, and the 97th most common such still life according to [[Catagolue]].
The '''very long prodigal''' is a {{slcells|12|text=12-cell}} [[still life]].


==External links==
== Construction ==
{{LinkPentadecathlonObject|12.18}}
 
{{LinkCatagolue|xs12_25a842ac}}
This still life is known to be [[Glider synthesis|constructible]] with 7 gliders.<ref name="catagolue_object" /> A {{gliders|8}} synthesis was found in April {{year|2019}}.<ref name="post75318" /> A {{gliders|7}} synthesis was found by [[Oscar Cunningham]] in March {{year|2021}}.<ref name="message821424425214803968" /> Some alternate syntheses can be found in [[Mark Niemiec's database]].<ref name="niemiec" />
 
{|style="margin:auto;width:300px;"
|{{EmbedViewer
|rle          = x = 51, y = 56, rule = B3/S23
13bo$11bobo$12b2o21$24bo$25bo$23b3o12bo$38bobo$28bo9b2o$27bo$27b3o$2o$
obo$2bo39bo$bo38b2o$o40b2o$obo$bobo$2bo13$48b3o$48bo$49bo$42bo$41b2o$
41bobo!
|viewerconfig = #C [[ HEIGHT 450 THEME Book ZOOM 8 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 16 PAUSE 1 T 27 PAUSE 1 T 69 PAUSE 1 T 125 PAUSE 1 T 168 PAUSE 1 T 169 PAUSE 2 LOOP 170 ]]
|position    = center
|caption      = A 7G synthesis<ref name="catagolue_object" />
}}
|-
|{{EmbedViewer
|rle          = x = 49, y = 54, rule = B3/S23
29bo$29bobo$29b2o2$11bobo$12b2o$12bo8$2bobo$3b2o$3bo9$b2o3bo11b2o$obo
3b2o11b2o$2bo2bobo10bo8b2o$27bobo$27bo17b2o$45bobo$47bo$46bo$45bo$45bo
bo$46bobo$47bo15$2b2o$bobo$3bo!
|viewerconfig = #C [[ HEIGHT 450 THEME Book ZOOM 8 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 14 PAUSE 1 T 28 PAUSE 1 T 34 PAUSE 1 T 90 PAUSE 1 T 91 PAUSE 2 LOOP 92 ]]
|position    = center
|caption      = A 8G synthesis<ref name="post75318" />
}}
|}
 
== Occurrence ==
 
Among the 121 still lifes with 12 cells, this is the 97th [[List of common still lifes|most common still life]] according to [[Catagolue]].
 
There are no collisions in [[Octohash database|octohash]], octo3obj or octo3g databases with this still life occurring in the ash.
 
== References ==
<references>
<ref name="post75318">{{LinkForumThread
|format  = ref
|p      = 75318
|title  = Re: Soup-based syntheses
|author  = Freywa
|date    = April 22nd, 2019
}}</ref>
<ref name="message821424425214803968">{{CiteDiscord
|author  = Oscar Cunningham
|date    = March 16, 2021
|channel = cgol
|id      = 821424425214803968
}}</ref>
<ref name="catagolue_object">{{LinkCatagolue|xs12_25a842ac|style=nobullet}}</ref>
<ref name="niemiec">{{LinkNiemiec|p1-12.htm|The 121 twelve-bit still-lifes|rle=12/12-51.rle|nobullet=nobullet}}</ref>
</references>
 
== External links ==
* {{LinkCatagolue|xs12_25a842ac}}
* {{LinkPentadecathlonObject|12.18}}
 
__NOTOC__

Latest revision as of 17:58, 31 December 2023

Very long prodigal
x = 8, y = 4, rule = B3/S23 bo$obo2b2o$bo2bo2bo$2b2o2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
View static image
Pattern type Strict still life
Number of cells 12
Bounding box 8 × 4
Frequency class 33.0
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The very long prodigal is a 12-cell still life.

Construction

This still life is known to be constructible with 7 gliders.[1] A 8-glider synthesis was found in April 2019.[2] A 7-glider synthesis was found by Oscar Cunningham in March 2021.[3] Some alternate syntheses can be found in Mark Niemiec's database.[4]

x = 51, y = 56, rule = B3/S23 13bo$11bobo$12b2o21$24bo$25bo$23b3o12bo$38bobo$28bo9b2o$27bo$27b3o$2o$ obo$2bo39bo$bo38b2o$o40b2o$obo$bobo$2bo13$48b3o$48bo$49bo$42bo$41b2o$ 41bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 8 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 16 PAUSE 1 T 27 PAUSE 1 T 69 PAUSE 1 T 125 PAUSE 1 T 168 PAUSE 1 T 169 PAUSE 2 LOOP 170 ]]
A 7G synthesis[1]
(click above to open LifeViewer)
x = 49, y = 54, rule = B3/S23 29bo$29bobo$29b2o2$11bobo$12b2o$12bo8$2bobo$3b2o$3bo9$b2o3bo11b2o$obo 3b2o11b2o$2bo2bobo10bo8b2o$27bobo$27bo17b2o$45bobo$47bo$46bo$45bo$45bo bo$46bobo$47bo15$2b2o$bobo$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 8 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 14 PAUSE 1 T 28 PAUSE 1 T 34 PAUSE 1 T 90 PAUSE 1 T 91 PAUSE 2 LOOP 92 ]]
A 8G synthesis[2]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 97th most common still life according to Catagolue.

There are no collisions in octohash, octo3obj or octo3g databases with this still life occurring in the ash.

References

  1. ↑ 1.0 1.1 xs12_25a842ac at Adam P. Goucher's Catagolue
  2. ↑ 2.0 2.1 Freywa (April 22nd, 2019). Re: Soup-based syntheses (discussion thread) at the ConwayLife.com forums
  3. ↑ Oscar Cunningham (March 16, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  4. ↑ The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-51.rle)

External links


Retrieved from "https://conwaylife.com/w/index.php?title=Very_long_prodigal&oldid=143865"