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8b2o$7bobo2$5bobo2$3bobo2$bobo$o$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Oscillator type Muttering moat
Family Barberpole
Number of cells 13
Bounding box 10×10
Period 2
Mod 1
Heat 14
Volatility 0.70
Strict volatility 0.70
Rotor type Pole 7
Discovered by MIT group
Year of discovery 1970

The heptapole (or septapole) is the barberpole of length 7. It first appeared in an asymmetric soup on December 11, 2018, in a haul submitted to Catagolue, making it the longest barberpole and the last 13-bit periodic object to have emerged naturally.[1]

See also


  1. Billabob (December 11, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums

External links


  • 13P2.2 at Heinrich Koenig's Game of Life Object Catalogs