Canoe siamese snake

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Canoe siamese snake
x = 8, y = 5, rule = B3/S23 6b2o$7bo$6bo$ob2obo$2ob2o! #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 31.3
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The canoe siamese snake is a 12-cell still life.

Construction

A 5-glider synthesis was found by Carson Cheng on April 5, 2023.[1][2]

x = 34, y = 29, rule = B3/S23 16bo$15bo$15b3o5bo$22bo$22b3o$2bobo$3b2o$3bo5$26b2ob2o$26bob2obo$32bo$ 33bo$32b2o6$20b2o$19b2o$21bo2$b2o$obo$2bo! #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 45 PAUSE 2 LOOP 46 ]]
A 5G synthesis[1][3]
(click above to open LifeViewer)
x = 36, y = 38, rule = B3/S23 32bo$32bobo$32b2o3$2bo$obo$b2o6bo$7bobo$8b2o3$28b2ob2o$28bob2obo$34bo$ 35bo$34b2o5$11b2o13b3o$12b2o12bo$11bo15bo12$30b3o$30bo$31bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 48 PAUSE 1 T 74 PAUSE 2 LOOP 75 ]]
A 6G synthesis[4]
(click above to open LifeViewer)
x = 48, y = 42, rule = B3/S23 6bobo$obo4b2o$b2o4bo$bo8$17bo12bobo$15bobo12b2o$16b2o13bo8b2ob2o$40bob 2obo$46bo$47bo$46b2o8$16bo$4bo11b2o$4b2o9bobo$3bobo7$38b2o$38bobo$38bo 2$8bo$8b2o$7bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME Book ZOOM 8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 84 PAUSE 2 LOOP 85 ]]
A 8G synthesis[5]
(click above to open LifeViewer)

Occurrence

See also: List of common still lifes

Among still lifes with 12 cells, canoe siamese snake is the 76th 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.

See also

References

  1. 1.0 1.1 Carson Cheng (April 5, 2023). Re: Still Life Synthesis Thread (discussion thread) at the ConwayLife.com forums
  2. Carson Cheng (April 5, 2023). Message in #cgol on the Conwaylife Lounge Discord server
  3. shinjuku (#4068003222) (April 5, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
  4. /textsamples/xs12_312312ko/b3s23/synthesis (archived copy)
  5. The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-77.rle)

External links