Long snake siamese long snake: Difference between revisions

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|niemiecid        = 12.74
|niemiecid        = 12.74
|pentadecathlonid = 12.36
|pentadecathlonid = 12.36
|viewerconfig    = #C [[ ZOOM 48 ]]
}}
}}
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]].
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49bobo$49b2o$50bo$2bo$obo$b2o4$39bobo$39b2o$40bo2$11bo$12bo$10b3o9$38b
49bobo$49b2o$50bo$2bo$obo$b2o4$39bobo$39b2o$40bo2$11bo$12bo$10b3o9$38b
2o$38bobob2o$41b2obobo$45b2o12$12bo$12b2o$11bobo3$24b3o$24bo$25bo!
2o$38bobob2o$41b2obobo$45b2o12$12bo$12b2o$11bobo3$24b3o$24bo$25bo!
|viewerconfig = #C [[ HEIGHT 480 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 55 PAUSE 1 T 101 PAUSE 2 LOOP 102 ]]
|viewerconfig = #C [[ HEIGHT 520 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 55 PAUSE 1 T 101 PAUSE 2 LOOP 102 ]]
|position    = center
|position    = center
|caption      = A 6G synthesis<ref name="catagolue_20210716" />
|caption      = A 6G synthesis<ref name="catagolue_20210716" />

Revision as of 04:22, 23 May 2023

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 ]] #C [[ ZOOM 48 ]]
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 = 52, y = 47, rule = B3/S23 49bobo$49b2o$50bo$2bo$obo$b2o4$39bobo$39b2o$40bo2$11bo$12bo$10b3o9$38b 2o$38bobob2o$41b2obobo$45b2o12$12bo$12b2o$11bobo3$24b3o$24bo$25bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 520 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 55 PAUSE 1 T 101 PAUSE 2 LOOP 102 ]]
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 1 T 32 PAUSE 3 T 60 PAUSE 1 T 81 PAUSE 2 LOOP 82 ]]
A 14G synthesis[3]
(click above to open LifeViewer)


Occurrence

See also: List of common still lifes

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 costs 6 gliders". Catagolue (July 16, 2021).


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