Cis-carrier tie snake

From LifeWiki
Revision as of 16:00, 2 November 2022 by Confocal (talk | contribs) (expand)
Jump to navigation Jump to search
Cis-carrier tie snake
x = 8, y = 5, rule = B3/S23 4bob2o$4b2obo$2b2o$o2bo$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
Pattern type Strict still life
Number of cells 12
Bounding box 8 × 5
Frequency class 35.7
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The cis-carrier tie 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 by Goldtiger997 in March 2021.[2][3] Some known syntheses can be found in Mark Niemiec's database.[4]

x = 45, y = 24, rule = B3/S23 31bo$3bobo25bobo$4b2o25b2o$4bo5$37b2obo$37bob2o$41b2o$12bo28bo2bo$12b 2o10b3o16b2o$11bobo10bo$25bo5$3o$2bo$bo5b2o$6bobo$8bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 8 T 0 PAUSE 3 T 16 PAUSE 1 T 43 PAUSE 1 T 48 PAUSE 1 T 68 PAUSE 2 LOOP 69 ]]
A 6G synthesis[2]
(click above to open LifeViewer)
x = 53, y = 38, rule = B3/S23 50bo$49bo$2bo46b3o$obo$b2o6$33bobo$33b2o$15bo18bo$13bobo$14b2o3$45b2ob o$33b3o9bob2o$33bo15b2o$34bo14bo2bo$51b2o5$16b3o$18bo$17bo7$4b2o30b2o$ 5b2o29bobo$4bo31bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 8 T 0 PAUSE 3 T 8 PAUSE 1 T 75 PAUSE 2 LOOP 76 ]]
A 8G synthesis[4]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the sixth rarest 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_3123c4go at Adam P. Goucher's Catagolue
  2. 2.0 2.1 Goldtiger997 (March 17th, 2021). Re: n-in-m: A Collection of Efficient Synthesis Projects (discussion thread) at the ConwayLife.com forums
  3. Goldtiger997 (March 17, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  4. 4.0 4.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-13.rle)

External links