Long snake siamese long snake: Difference between revisions

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The '''long snake siamese long snake''' is a {{slcells|12|text=12-cell}} [[still life]].
The '''long snake siamese long snake''' is a {{slcells|12|text=12-cell}} [[still life]].
== Construction ==
This still life is known to be [[Glider synthesis|constructible]] with 6 gliders.<ref name="catagolue_object" /> A {{gliders|6}} synthesis was found in March {{year|2021}}.<ref name="message821126391210573895" /> Some alternate syntheses can be found in [[Mark Niemiec's database]].<ref name="niemiec" />
{|style="margin:auto;width:300px;"
|{{EmbedViewer
|rle          = x = 48, y = 44, rule = B3/S23
26bo$24bobo$25b2o2$36bo$34b2o$35b2o11$3b2o$3bobob2o$6b2obobo$10b2o7$
36b2o$36bobo$36bo3$10b2o$11b2o$10bo4$45b3o$45bo$46bo$2o$b2o$o!
|viewerconfig = #C [[ HEIGHT 480 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 3 T 14 PAUSE 1 T 49 PAUSE 1 T 94 PAUSE 1 T 95 PAUSE 2 LOOP 96 ]]
|position    = center
|caption      = A 6G synthesis<ref>[https://web.archive.org/web/20210716175222/https://catagolue.hatsya.com/object/xs12_0ol3zca1/b3s23 xs12_0ol3zca1] (archived copy)</ref>
}}
|-
|{{EmbedViewer
|rle          = x = 56, y = 39, rule = B3/S23
32bo$31bo$3bo27b3o3bobo$4b2o4bo26b2o$3b2o3bobo27bo$9b2o$32bo9bo$32bobo
5b2o$12bo19b2o7b2o$10bobo$11b2o4$47b2o$47bobob2o$50b2obobo$54b2o6$3b2o
$2bobo$4bo31b3o$36bo6b3o$22bo14bo5bo$21b2o21bo$b2o18bobo$obo29bo$2bo
28b2o$31bobo4$30b2o$30bobo$30bo!
|viewerconfig = #C [[ HEIGHT 450 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 3 T 32 PAUSE 1 T 60 PAUSE 1 T 81 PAUSE 2 LOOP 82 ]]
|position    = center
|caption      = A 14G synthesis<ref name="niemiec" />
}}
|}
== Occurrence ==


Among the 121 still lifes with 12 cells, this is the 111th [[List of common still lifes|most common]] (i.e. 11th rarest) still life according to [[Catagolue]].
Among the 121 still lifes with 12 cells, this is the 111th [[List of common still lifes|most common]] (i.e. 11th rarest) still life according to [[Catagolue]].


A {{gliders|6}} [[Glider synthesis|synthesis]] of this still life was found in March {{year|2021}}.<ref name="message821126391210573895" />
There are no collisions in [[Octohash database|octohash]], octo3obj or octo3g databases with this still life occurring in the ash.


== References ==
== References ==
Line 35: Line 63:
|id      = 821126391210573895
|id      = 821126391210573895
}}</ref>
}}</ref>
<ref name="catagolue_object">{{LinkCatagolue|xs12_0ol3zca1|style=nobullet}}</ref>
<ref name="niemiec">{{LinkNiemiec|p1-12.htm|The 121 twelve-bit still-lifes|rle=12/12-74.rle|nobullet=nobullet}}</ref>
</references>
</references>


== External links ==
== External links ==
* {{LinkCatagolue|xs12_0ol3zca1}}
* {{LinkCatagolue|xs12_0ol3zca1}}
* {{LinkNiemiec|p1-12.htm|patternname=The 121 twelve-bit still-lifes}} (12.74)
* {{LinkPentadecathlonObject|12.36}}
* {{LinkPentadecathlonObject|12.36}}


Revision as of 15:32, 1 November 2022

Long snake siamese long snake
x = 9, y = 4, rule = B3/S23 7b2o$3b2obobo$obob2o$2o! #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 9 × 4
Frequency class 34.4
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The long snake siamese long snake is a 12-cell still life.

Construction

This still life is known to be constructible with 6 gliders.[1] A 6-glider synthesis was found in March 2021.[2] Some alternate syntheses can be found in Mark Niemiec's database.[3]

x = 48, y = 44, rule = B3/S23 26bo$24bobo$25b2o2$36bo$34b2o$35b2o11$3b2o$3bobob2o$6b2obobo$10b2o7$ 36b2o$36bobo$36bo3$10b2o$11b2o$10bo4$45b3o$45bo$46bo$2o$b2o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 480 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 3 T 14 PAUSE 1 T 49 PAUSE 1 T 94 PAUSE 1 T 95 PAUSE 2 LOOP 96 ]]
A 6G synthesis[4]
(click above to open LifeViewer)
x = 56, y = 39, rule = B3/S23 32bo$31bo$3bo27b3o3bobo$4b2o4bo26b2o$3b2o3bobo27bo$9b2o$32bo9bo$32bobo 5b2o$12bo19b2o7b2o$10bobo$11b2o4$47b2o$47bobob2o$50b2obobo$54b2o6$3b2o $2bobo$4bo31b3o$36bo6b3o$22bo14bo5bo$21b2o21bo$b2o18bobo$obo29bo$2bo 28b2o$31bobo4$30b2o$30bobo$30bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 3 T 32 PAUSE 1 T 60 PAUSE 1 T 81 PAUSE 2 LOOP 82 ]]
A 14G synthesis[3]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 111th most common (i.e. 11th rarest) 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. ↑ xs12_0ol3zca1 at Adam P. Goucher's Catagolue
  2. ↑ goldenratio (March 15, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  3. ↑ 3.0 3.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-74.rle)
  4. ↑ xs12_0ol3zca1 (archived copy)


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