Line of three

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Revision as of 11:35, 16 September 2023 by Confocal (talk | contribs) (while I can see how this page is [supposed to be] linked from the pages listed in "See also", is it that useful to list those pages here? Are all the "See also" links really needed here? Would Special:WhatLinksHere/Line_of_three or something else do?)
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Not to be confused with blinker.
Line of three
x = 1, y = 3, rule = B3/S23 o$o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] #C [[ THUMBSIZE 3 ZOOM 63 ]]
View static image
Pattern type Still life component
Number of cells 3
Bounding box 3 × 1
Static symmetry Unspecified
Discovered by John Conway
Year of discovery 1969

A line of three[citation needed] is a three cell leading edge on an object or part of object.

A line of three consecutive cells can be a segment known as "line" in certain still lifes; the most basic of these being integral sign but can also be used to connect any number of pre-blocks, tubs, beehives, loaves, mangoes, hooks, claws, etc. together. One example is boat line hook.

x = 7, y = 7, rule = LifeHistory 5.A$4.A.A$3.C.A$3.C$.A.C$A.A$.A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 WIDTH 600 THUMBSIZE 2 ZOOM 42 THEME LifeHistory ]]
The line of three (white) in tub trans-line tub
(click above to open LifeViewer)

It can also be seen in oscillators such as spark coil and test tube baby.

x = 8, y = 5, rule = LifeHistory 2A4.2A$A.C2.C.A$2.C2.C$2.C2.C$3.2A! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 WIDTH 600 THUMBSIZE 2 ZOOM 42 THEME LifeHistory ]]
The line of threes (white) in test tube baby.
(click above to open LifeViewer)

See also

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