p196 pi-heptomino hassler

p196 pi-heptomino hassler
x = 34, y = 34, rule = B3/S23 29bo$28bobo$19b2o7bobo$19b2o6b2ob3o$33bo$27b2ob3o$27b2obo7$24b3o3b2o$ 24bobo3b2o$24bobo3$7bobo$2b2o3bobo$2b2o3b3o7$3bob2o$b3ob2o$o$b3ob2o6b 2o$3bobo7b2o$3bobo$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 8 GPS 40 LOOP 196 ]]
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Pattern type	Oscillator
Number of cells	66
Bounding box	34 × 34
Period	196 (mod: 98)
Heat	32.8
Volatility	0.93 | 0.86
Kinetic symmetry	Unspecified
Discovered by	praosylen David Raucci
Year of discovery	2021
Rules Outer-totalistic rules B3/S23 – B38/S23 # of rules 21 = 2 Isotropic rules B3/S23 – B38/S23
Glider synthesis Fewest gliders 23† Catagolue-generated RLE synthesis †Can be constructed with 15 gliders using the reverse caber tosser universal constructor.
Pattern files Plaintext p196pihassler.cells RLE p196pihassler.rle
Identifiers apgcode xp196_yfccy28e1e88gzyeks8y2330311zyqoozwggzw11y6ggzg88c0ccy2132z0117871y233

p196 pi-heptomino hassler is a period-196 oscillator completed by praosylen on July 2, 2021 based on a partial result by David Raucci. It consists of two rotationally symmetric pi-heptominoes interacting with each other in addition to hitting block and eater 2 catalysts. After a half cycle, it flips along a diagonal axis. At 66 cells, it was the smallest known period-196 oscillator by population until the discovery of mold on 44P49 in November 2023.

Within a few hours of its discovery, Jeremy Tan found a 24-glider synthesis of the oscillator. On January 14, 2024, KtT lowered the cost to 23 gliders.

Several SKOPs consisting of this p196 and another oscillator were known until they were beaten by LCMs involving 44P49.

External links

• p196 pi hassler at Adam P. Goucher's Catagolue