Fuse with two long tails: Difference between revisions

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Line 6: Line 6:
|by              = 8
|by              = 8
|fc              = 36.7
|fc              = 36.7
|symmetry        = .k
|discoverer      = Robert Wainwright
|discoverer      = Robert Wainwright
|discoverer2      = Everett Boyer
|discoverer2      = Everett Boyer
Line 26: Line 27:
This still life is known to be [[Glider synthesis|constructible]] with {{gliders|7|text=7 gliders}}.<ref name="catagolue_object" />
This still life is known to be [[Glider synthesis|constructible]] with {{gliders|7|text=7 gliders}}.<ref name="catagolue_object" />


{|style="margin:auto;width:300px;"
{| style="margin:auto;width:300px"
|{{EmbedViewer
|{{EmbedViewer
|rle          = x = 46, y = 33, rule = B3/S23
|rle          = x = 46, y = 33, rule = B3/S23
Line 49: Line 50:


== Occurrence ==
== Occurrence ==
Among the 121 still lifes with 12 cells, this is the third [[List of common still lifes|rarest]] according to [[Catagolue]].
Among the 121 still lifes with 12 cells, this is the third [[List of common still lifes|rarest]] according to [[Catagolue]].


Line 63: Line 63:
* {{LinkCatagolue|xs12_g8jdz56}}
* {{LinkCatagolue|xs12_g8jdz56}}
* {{LinkPentadecathlonObject|12.91}}
* {{LinkPentadecathlonObject|12.91}}
{{Symmetry|180degree}}


__NOTOC__
__NOTOC__

Revision as of 15:23, 9 August 2024

Fuse with two long tails
x = 4, y = 8, rule = B3/S23 2o$bo$o$obo$bobo$3bo$2bo$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]]
View static image
Pattern type Strict still life
Number of cells 12
Bounding box 4 × 8
Frequency class 36.7
Static symmetry .k (C2_4)
Discovered by Robert Wainwright
Everett Boyer
Year of discovery 1973

The fuse with two long tails is a 12-cell still life.

Construction

This still life is known to be constructible with 7 gliders.[1]

x = 46, y = 33, rule = B3/S23 4bo$5bo$3b3o27bo$31b2o$32b2o9$35bo$33b2o$34b2o$42b2o$17bo25bo$18bo23bo $16b3o23bobo$43bobo$45bo$44bo$44b2o2$30b2o$29b2o$31bo$3o$2bo$bo18b3o$ 22bo$21bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 8 T 0 PAUSE 3 T 12 PAUSE 1 T 42 PAUSE 1 T 61 PAUSE 2 LOOP 62 ]]
A 7G synthesis[2]
(click above to open LifeViewer)
x = 47, y = 29, rule = B3/S23 27bo$12bobo12bobo4bo$7bo5b2o12b2o4bo$8bo4bo19b3o$6b3o$17bo$15bobo$16b 2o3$43b2o$44bo$43bo$43bobo$25b2o17bobo$26bo19bo$11b2o12bo9b2o8bo$12b2o 11b2o8bobo7b2o$11bo23bo4$7b2o$6bobo$8bo2$b2o$obo$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 0 Y 0 AUTOSTART GPS 8 T 0 PAUSE 3 T 20 PAUSE 1 T 29 PAUSE 1 T 37 PAUSE 1 T 64 PAUSE 2 LOOP 65 ]]
A 9-glider conversion from snake[2]
(click above to open LifeViewer)

Occurrence

Among the 121 still lifes with 12 cells, this is the third rarest according to Catagolue.

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

References

  1. ↑ xs12_g8jdz56 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: 12/12-47.rle)


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