Trans-carrier down on table

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Trans-carrier down on table
x = 5, y = 7, rule = B3/S23 2o$o$2bo$b2o2$b4o$bo2bo! #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 7 × 5
Frequency class 31.0
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The trans-carrier down on table is a 12-cell still life.

Construction

A 5-glider synthesis of this still life was found and submitted to Catagolue by Carson Cheng[1] in March 2022.[2] A few known syntheses are show below; some alternate syntheses can be found in Mark Niemiec's database.[3]

x = 34, y = 23, rule = B3/S23 6bo$7bo$5b3o8$6bo$4bobo15bobo$5b2o15b2o$23bo6bo2bo$30b4o2$30b2o$b2o28bo$obo26bo$2bo26b2o$14b2o$14bobo$14bo! #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 34 PAUSE 2 LOOP 35 ]]
A 5G synthesis[2]
(click above to open LifeViewer)
x = 35, y = 29, rule = B3/S23 9bo$10bo$8b3o5$21bo$19b2o$20b2o7$31bo2bo$31b4o2$31b2o$32bo$30bo$30b2o$6bo$6b2o17b3o$b2o2bobo17bo$obo11b3o9bo$2bo11bo$15bo! #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 34 PAUSE 1 T 51 PAUSE 2 LOOP 52 ]]
A 6G synthesis[4]
(click above to open LifeViewer)
x = 47, y = 52, rule = B3/S23 6bobo$7b2o$7bo$2bo$obo34bobo$b2o34b2o$38bo14$40bo2bo$40b4o2$40b2o$41bo$39bo$39b2o3$16b2o$16bobo$16bo$12b3o$14bo$13bo7b3o$21bo$22bo13$44b3o$44bo$45bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 8 X 0 Y 0 AUTOSTART GPS 12 T 0 PAUSE 3 T 70 PAUSE 1 T 77 PAUSE 2 LOOP 78 ]]
A 7G synthesis[3]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 73rd 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. Carson Cheng (July 15, 2022). Message in #cgol on the Conwaylife Lounge Discord server
  2. 2.0 2.1 shinjuku (#2241385905) (March 23, 2022). Job triggered by Adam P. Goucher at GitLab Catagolue project. Retrieved on May 13, 2022.
  3. 3.0 3.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-20.rle)
  4. xs12_31460ui/b3s23 (archived on July 17, 2021)

External links