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'''Amoeba''' is a [[Life-like cellular automaton]] with [[rulestring]] B357/S1358. It is characterised by larger soups very slowly exploding, being well balanced between life and death. | '''Amoeba''' is a [[Life-like cellular automaton]] with [[rulestring]] B357/S1358. It is characterised by larger soups very slowly exploding, being well balanced between life and death. | ||
== Patterns == | |||
=== Still lifes === | |||
[[Domino]], [[duoplet]] and [[block]] are the simplest still lifes in Amoeba. Some bigger examples are shown as well. | |||
{{EmbedViewer | |||
|rle = x = 37, y = 5, rule = B357/S1358 | |||
o2bo3b2o4bo6bo6bo6b2o$o3bo2b2o4bo4b5o2b5o2b3obo$11b2ob2o16b2ob2o$13bo | |||
6bo4b5o4b2o$13bo6bo6bo6b2o! | |||
|position = center | |||
}} | |||
=== Oscillators === | |||
Natural [[oscillator]]s of even periods up to 16 are known, as well as a few examples of period 3. | |||
{{EmbedViewer | {{EmbedViewer | ||
|rle = x = | |rle = x = 92, y = 94, rule = B357/S1358 | ||
2ob2obo4b2o2b2o7b2o4b2o3bo4b2o24bobo4bob2obo5bobo$7bo2bo5b2o5bo4b4o2bo | |||
bo2bo2bo22bo3bo2bo6bo5b2o$22bobo57bobobobo$7bo14bo5b4o2bobo2bo2bo20bo | |||
5bo2bo6bo4b2o$7bo3bobo3bo12b2o3bo4b2o20bo6bo2bo6bo4bobo$10bobo3bob2o$ | |||
7bo61bo2bo6bo$bob2obo62bo2bo6bo$o15bo16bo3bo$11bobo2b2o2bobo5bobo2bo3b | |||
o2bobo26bo2bo6bo$o9bo3bobo3bobo4bo3bobo3bobo3bo25bo2bo6bo$o10bobo2b2o | |||
$ | 2bobo5bobo2bo3bo2bobo$16bo16bo3bo31bo2bo6bo$o68bo3bob2obo$bob2ob2o6$2o | ||
b2obo7bo6bobo42bobo3b2ob2obo9bo$7bo7bo3b2ob2o41bo3bo9bo4b5o$13b2obo3bo | |||
3bo61bobo$7bo4bobo6b2ob2o37bo5bo9bo4b5o$7bo2bob2o7bobo38bo6bo9bo8bo$ | |||
11bo$7bo4bo56bo9bo$2ob2obo62bo3bob2obo$72bo$7bo61bo17bo$7bo2b3o7b6o43b | |||
o2bo11b2ob2o$11bo2bo5b2o2b2o46bo14bo$7bo4bo2bo53bo14b2ob2o$2ob2obo7b3o | |||
5b2o45bo2bo14bo$22b2o49bob2ob2o6$o6bo11b2o5bo6b2o5bo25bobo3bo6bo4bo3bo | |||
bo$o6bo10b4o4b4o3bobo2b2o4b3o18bo3bo2bo6bo2b2ob2ob2obo$10b5o4b2o5bo6bo | |||
bo3bo3b4o39bobo$o6bo25b2o4b2o22bo5bo2bo6bo$o6bo4bo26b2o3bobo15bo6bo2bo | |||
6bo2$o6bo61bo2bo6bo$bob2obo19bo42bo3bob2obo$19bo5bobo2bobo2bo4bobo$7bo | |||
2b3o5b2obo2bob2o2bo4bo4bo4b2o22bo9bo$7bo2bo3bo3bo7bo4bo3bobo3bo2b4o21b | |||
o9bo$12b3o3b2obo4bo8bo9b2o$7bo11bo15bo33bo9bo$7bo61bo9bo7$bob2ob2o3bob | |||
o52bobo4bob2ob2o4bo$o9bobobo4b3obo41bo3bo2bo11bob2o$10b2ob2o3b2ob2o61b | |||
ob2o$o62bo5bo2bo11bob2o$o17b2ob2o39bo6bo2bo11bo$19b3obo$bob2obo62bo3bo | |||
b2obo$o6bo61bo2bo6bo2$o6bo2b2o2bo4b3o47bo2bo6bo$o6bo6bo3b2ob3o45bo2bo | |||
6bo$11bobo$o6bo10b2ob3o45bo2bo6bo$bob2obo6b2o4b3o47bo3bob2obo7$bob2obo | |||
$o6bo7bo$14b3o$o6bo5b3o$o6bo4b3o$11b3o$bob2obo5bo$o6bo2$o6bo$o6bo2$o6b | |||
o$bob2obo! | |||
|position = center | |position = center | ||
|caption = Collection of | |caption = Collection of oscillators | ||
|style = width:300px; | |style = width:300px; | ||
}} | }} | ||
=== Spaceships === | |||
There are known [[spaceships]] of speeds c/2o, c/3o, c/4o, c/5o, 2c/5o, c/6o, c/7o, 2c/7o, c/9o, c/12o, c/3d, c/4d, c/6d, c/14d.<ref name="gliderdb" /> | |||
== Infinite growth == | |||
== See also == | == See also == | ||
Revision as of 12:07, 1 August 2026
| Amoeba | |
| Rulestring | 1358/357 B357/S1358 |
|---|---|
| Rule integer | 152744 |
| Character | Explosive |
| Black/white reversal | B12468/S024678 |
Amoeba is a Life-like cellular automaton with rulestring B357/S1358. It is characterised by larger soups very slowly exploding, being well balanced between life and death.
Patterns
Still lifes
Domino, duoplet and block are the simplest still lifes in Amoeba. Some bigger examples are shown as well.
| (click above to open LifeViewer) |
Oscillators
Natural oscillators of even periods up to 16 are known, as well as a few examples of period 3.
| Collection of oscillators (click above to open LifeViewer) |
Spaceships
There are known spaceships of speeds c/2o, c/3o, c/4o, c/5o, 2c/5o, c/6o, c/7o, 2c/7o, c/9o, c/12o, c/3d, c/4d, c/6d, c/14d.[1]
Infinite growth
See also
References
External links
- Melwin22/Workspace at Adam P. Goucher's Catagolue
- Amoeba at Mirek Wójtowicz's Cellebration page
- Amoeba (B357/S1358) at David Eppstein's Glider Database (archived copy)
- Interesting Rules at Fano Experimental Web Server (archived copy)