Snake siamese very long snake

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Snake siamese very long snake
x = 9, y = 4, rule = B3/S23 4b2ob2o$3bob2obo$obo$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 4 × 9
Frequency class 32.7
Static symmetry Unspecified
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The snake siamese very long snake is a 12-cell still life.

Construction

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

x = 50, y = 30, rule = B3/S23 36bo$35bo$2bo32b3o$obo$b2o7$10bo15bo$11bo12b2o$9b3o13b2o6$41b2o$41bobo $44bob2obo$45b2ob2o3$28b2o$28bobo$28bo6b2o$35bobo$35bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THEME Book ZOOM 10 AUTOSTART GPS 10 T 0 PAUSE 1 T 20 PAUSE 3 T 46 PAUSE 1 T 74 PAUSE 2 LOOP 75 ]]
A 6G synthesis[3]
(click above to open LifeViewer)
x = 39, y = 66, rule = B3/S23 obo30bo$b2o29bo$bo30b3o10$6bo$6b2o$5bobo$20b2o$19b2o$21bo15bo$29bo6b2o $28b2o6bobo$28bobo2$11b3o$13bo$12bo4$15b2o$15bobo$18bob2obo$19b2ob2o7$ 26bo$26bobo5bo$26b2o6bobo$3bo30b2o$4b2o$3b2o17$30b2o$29b2o6b2o$2b2o27b o4b2o$bobo6b2o26bo$3bo5bobo$11bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 680 THEME Book ZOOM 10 AUTOSTART GPS 8 T 0 PAUSE 1 T 20 PAUSE 3 T 41 PAUSE 2 LOOP 42 ]]
Two 7G syntheses[2]
(click above to open LifeViewer)

Occurrence

See also: List of common still lifes

Among the 121 still lifes with 12 cells, this is the 96th 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. xs12_g853zdb 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: 12/12-75.rle)
  3. "xs12_g853zdb costs 6 gliders". Catagolue (October 28, 2022).

External links