Trans-long barge with tail

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Trans-long barge with tail
x = 7, y = 7, rule = B3/S23 bo$obo$bobo$2bobo$3bobo$5bo$5b2o! #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 × 7
Frequency class 27.5
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The trans-long barge with tail is a 12-cell still life.

Construction

x = 16, y = 20, rule = B3/S23 bo$2bo$3o2$8bo$8bobo$8b2o3$bo$2b2o$b2o10b3o$13bo$14bo4$11b3o$11bo$12bo! #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 30 PAUSE 2 LOOP 31 ]]
A 5G synthesis[1]
(click above to open LifeViewer)

A 5-glider synthesis of this still life was found in January 2020.[2] Several known alternate syntheses for this still life can be found in Mark Niemiec's database.[3]

Occurrence

Among the 121 still lifes with 12 cells, this is the 39th 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.

See also

References

  1. xs12_0g8ka52z23 at Adam P. Goucher's Catagolue
  2. Ian07 (January 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
  3. The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-63.rle)

External links