Tub with two down cis tails: Difference between revisions

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Line 6: Line 6:
|by              = 5
|by              = 5
|fc              = 31.9
|fc              = 31.9
|symmetry        = -c
|discoverer      = Robert Wainwright
|discoverer      = Robert Wainwright
|discoverer2      = Everett Boyer
|discoverer2      = Everett Boyer
Line 23: Line 24:
The '''tub with two down cis tails''' is a {{slcells|12|text=12-cell}} [[still life]].
The '''tub with two down cis tails''' is a {{slcells|12|text=12-cell}} [[still life]].


== Construction ==
This still life is known to be [[Glider synthesis|constructible]] with 5 gliders.<ref name="catagolue_object" /> A {{gliders|5}} synthesis was found in October {{year|2022}}.<ref name="j3168149776" />
{| style="margin:auto;width:300px"
|{{EmbedViewer
|rle          = x = 43, y = 37, rule = B3/S23
26bo$25bo$25b3o5$obo$b2o$bo21bo$21b2o$22b2o5$36b2o3b2o$37bo3bo$37bobob
o$38bobo$39bo8$7b3o$9bo$8bo4$36b3o$36bo$37bo!
|viewerconfig = #C [[ HEIGHT 400 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 35 PAUSE 1 T 59 PAUSE 2 LOOP 60 ]]
|position    = center
|caption      = A 5G synthesis<ref name="j3168149776" />
}}
|-
|{{EmbedViewer
|rle          = x = 30, y = 51, rule = B3/S23
28bo$27bo$27b3o11$9bo$9bobo$9b2o9$13bo$13bobo$13b2o$obo$b2o$bo2$23b2o
3b2o$24bo3bo$24bobobo$25bobo$obo23bo$b2o$bo4$12b3o$12bo$13bo5$10b2o$
10bobo$10bo!
|viewerconfig = #C [[ HEIGHT 400 THEME Book ZOOM 10 X -8 Y 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 43 PAUSE 1 T 102 PAUSE 2 LOOP 103 ]]
|position    = center
|caption      = A two-stage 7G synthesis<ref>[https://web.archive.org/web/20210717110539/https://catagolue.hatsya.com/object/xs12_178k871/b3s23 xs12_178k871/b3s23] (archived copy)</ref>
}}
|-
|{{EmbedViewer
|rle          = x = 27, y = 16, rule = B3/S23
7bo$8bo$6b3o2$13bobo$3bo9b2o$bobo10bo$2b2o2$11bobo$11b2o$2o10bo7b2o3b
2o$bo19bo3bo$bobo17bobobo$2bobo17bobo$3bo19bo!
|viewerconfig = #C [[ THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 19 PAUSE 2 LOOP 20 ]]
|position    = center
|caption      = A different conversion from [[tub with tail]] with 4 gliders<ref name="niemiec" />
}}
|}
== Occurrence ==
Among the 121 still lifes with 12 cells, this is the 86th [[List of common still lifes|most common still life]] according to [[Catagolue]].
Among the 121 still lifes with 12 cells, this is the 86th [[List of common still lifes|most common still life]] according to [[Catagolue]].


== Glider synthesis ==
There are no collisions in [[Octohash database|octohash]], octo3obj or octo3g databases with this still life occurring in the ash.
{{Small constructible periodic object}}


== See also ==
== See also ==
Line 32: Line 66:
* [[Spiral]]
* [[Spiral]]
* [[Hat]]
* [[Hat]]
== References ==
<references>
<ref name="j3168149776">{{CiteCatagolueJob|job=3168149776|date=October 13, 2022}}</ref>
<ref name="catagolue_object">{{LinkCatagolue|xs12_178k871|style=nobullet}}</ref>
<ref name="niemiec">{{LinkNiemiec|p1-12.htm|The 121 twelve-bit still-lifes|rle=12/12-59.rle|nobullet=nobullet}}</ref>
</references>


== External links ==
== External links ==
* {{LinkCatagolue|xs12_178k871}}
* {{LinkCatagolue|xs12_178k871}}
* {{LinkNiemiec|p1-12.htm|patternname=The 121 twelve-bit still-lifes}} (12.59)
* {{LinkPentadecathlonObject|12.25}}
* {{LinkPentadecathlonObject|12.25}}
{{Symmetry|orthogonal2}}


__NOTOC__
__NOTOC__

Latest revision as of 15:06, 9 August 2024

Tub with two down cis tails
x = 7, y = 5, rule = B3/S23 3bo$2bobo$bobobo$bo3bo$2o3b2o! #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 7 × 5
Frequency class 31.9
Static symmetry -c (D2_+1)
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The tub with two down cis tails is a 12-cell still life.

Construction

This still life is known to be constructible with 5 gliders.[1] A 5-glider synthesis was found in October 2022.[2]

x = 43, y = 37, rule = B3/S23 26bo$25bo$25b3o5$obo$b2o$bo21bo$21b2o$22b2o5$36b2o3b2o$37bo3bo$37bobob o$38bobo$39bo8$7b3o$9bo$8bo4$36b3o$36bo$37bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 35 PAUSE 1 T 59 PAUSE 2 LOOP 60 ]]
A 5G synthesis[2]
(click above to open LifeViewer)
x = 30, y = 51, rule = B3/S23 28bo$27bo$27b3o11$9bo$9bobo$9b2o9$13bo$13bobo$13b2o$obo$b2o$bo2$23b2o 3b2o$24bo3bo$24bobobo$25bobo$obo23bo$b2o$bo4$12b3o$12bo$13bo5$10b2o$ 10bobo$10bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 X -8 Y 8 AUTOSTART GPS 12 T 0 PAUSE 3 T 43 PAUSE 1 T 102 PAUSE 2 LOOP 103 ]]
A two-stage 7G synthesis[3]
(click above to open LifeViewer)
x = 27, y = 16, rule = B3/S23 7bo$8bo$6b3o2$13bobo$3bo9b2o$bobo10bo$2b2o2$11bobo$11b2o$2o10bo7b2o3b 2o$bo19bo3bo$bobo17bobobo$2bobo17bobo$3bo19bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 19 PAUSE 2 LOOP 20 ]]
A different conversion from tub with tail with 4 gliders[4]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 86th 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.

See also

References

  1. ↑ xs12_178k871 at Adam P. Goucher's Catagolue
  2. ↑ 2.0 2.1 shinjuku (#3168149776) (October 13, 2022). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  3. ↑ xs12_178k871/b3s23 (archived copy)
  4. ↑ The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-59.rle)


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