Cis-carrier up on table

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Cis-carrier up on table
x = 4, y = 6, rule = B3/S23 2b2o$o2bo$2o2$4o$o2bo! #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 6 × 4
Frequency class 29.8
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The cis-carrier up on table[1] (or para-carrier on table) is a 12-cell still life.

Construction

This still life is known to be constructible with 6 gliders.[1] Some alternate syntheses can be found in Mark Niemiec's database.[2]

x = 48, y = 37, rule = B3/S23 34bo$33bo$33b3o3$16bobo12bo$17b2o12bobo$17bo13b2o2$44bo2bo$44b4o2$44b 2o$44bo2bo$46b2o7$39b3o$39bo$40bo2$8b3o$10bo$9bo7$bo$b2o$obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 61 PAUSE 1 T 67 PAUSE 2 LOOP 68 ]]
A 6G synthesis[3]
(click above to open LifeViewer)
x = 36, y = 31, rule = B3/S23 o26bo$b2o22b2o$2o24b2o$6bo14bo$7bo12bo$5b3o12b3o2$25bo$5bo18bo$6b2o16b 3o$5b2o$32bo2bo$32b4o2$32b2o$32bo2bo$34b2o9$5b3o$7bo$6bo$21b2o$21bobo$ 21bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 39 PAUSE 2 LOOP 40 ]]
A 8G synthesis[2]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the 64th most common still life according to Catagolue.

There are no occurrences of this still life in final patterns of collisions in octohash, octo3obj or octo3g databases.

References

  1. 1.0 1.1 xs12_39c0f9 at Adam P. Goucher's Catagolue
  2. 2.0 2.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-22.rle)
  3. xs12_39c0f9 (archived copy)

External links