Foxclock

Foxclock
x = 13, y = 7, rule = B3/S23 6bo4bo$2bobobo2bobo$4bobo3bobo$2o8bo$2bo2bo$4bo$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] [[ GPS 4 ]]
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Pattern type	Oscillator
Number of cells	18
Bounding box	13 × 7
Period	2 (mod: 2)
Heat	26
Volatility	0.84 | 0.84
Kinetic symmetry	n
Discovered by	Goldtiger997
Year of discovery	2020
Rules Outer-totalistic rules B3/S23 – B3678/S2345678 # of rules 28 = 256 Isotropic rules B3-acek/S2ik3y – B2i34-ijnz5-r678/S2345678
Glider synthesis Fewest gliders 13 Catagolue-generated RLE synthesis
Pattern files Plaintext foxclock.cells RLE foxclock.rle
Identifiers apgcode xp2_g45h1szg3oz0301

Foxclock is a period-2 oscillator comprised of a fox and a clock. It's best known for being a periodic catalyst, a property first discovered by Goldtiger997 during a search for a period-2 bumper.

x = 33, y = 33, rule = B3/S23 28bo$7b2o18bobo$6bo2bo16bo2bo$7b2o18b2o2$6bo4bo14bo4bo$2bobobo2bobo10b obobo2bobo$4bobo3bobo11bobo3bobo$2o8bo9b2o8bo$2bo2bo16bo2bo$4bo19bo$4b o19bo10$7b2o13bob2ob2o$8bo13b2obobo$7bo19bo$7b2o18b2o2$6bo4bo14bo4bo$ 2bobobo2bobo10bobobo2bobo$4bobo3bobo11bobo3bobo$2o8bo9b2o8bo$2bo2bo16bo2bo$4bo19bo$4bo19bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 GPS 4 ZOOM 12 HEIGHT 500 AUTOSTART T 0 PAUSE 4 T 26 PAUSE 2 LOOP 27 ]]

Examples of foxclock catalyzing various things (click above to open LifeViewer) RLE: here Plaintext: here

Chris857 found a 13-glider synthesis on June 5, 2024.