25P8

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25P8
x = 14, y = 9, rule = B3/S23 3o8b3o$b3o2bo3b3o$7bo$7bo$4bo3bo$5b4o2$7b2o$7b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 480 THUMBSIZE 3 ZOOM 30 GPS 3 LOOP 8 ]]
Pattern type Oscillator
Number of cells 25
Bounding box 14 × 10
Period 8 (mod: 4)
Heat 21.0
Volatility 0.74 | 0.39
Kinetic symmetry n
Discovered by Carson Cheng
Year of discovery 2023

25P8 is a period-8 oscillator found by Carson Cheng on September 25, 2023.[1] It consists of an unnamed object with two singular killer toads as catalysts. The rotor is a flipper, and the entire oscillator can be made one, but the version with the minimal stator is asymmetric.

The oscillator first appeared in a symmetric soup on October 3, 2025 by siffrin normal (same person as Open Science Grid) in a rotationally symmetric dimer form, with the second copy replacing one of the two toads.

x = 31, y = 32, rule = B3/S23 15b3obob3o2bob2o$15b4o2bo2b2ob3o$15b4obobob2o2bobo$15b3o3b3o5b2o$16bo 3b3o3b2o2bo$15b2o2bo2b4o2bo$15bob2obobob2o4bo$18b2o2b3obobobo$18b7o3bo $15bo2b6o2bo$17b2ob4o4b2o$15bob3o4b2o3bo$15b2obobo2bobobo$17bo2bob2obo b2obo$16b2ob2ob4obobo$20bobobobobobo$obobobobobo$bobob4ob2ob2o$ob2obob 2obo2bo$3bobobo2bobob2o$bo3b2o4b3obo$b2o4b4ob2o$4bo2b6o2bo$2bo3b7o$obo bob3o2b2o$o4b2obobob2obo$2bo2b4o2bo2b2o$o2b2o3b3o3bo$2o5b3o3b3o$obo2b 2obobob4o$b3ob2o2bo2b4o$b2obo2b3obob3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBNAIL THUMBSIZE 2 ZOOM 8 GPS 12 ]]
The symmetric soup that creates the dimer form of this oscillator.
(click above to open LifeViewer)

References

  1. ↑ Anivec (September 25, 2023). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums