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x = 41, y = 41, rule = B3/S23 20b2o9bo$21bo7b3o$21bobo4bo$22b2o4b2o4$25bo$24bobo$2o22bobo$bo23bo$bob o17b2o$2b2o16bobo$20bobo$8b2o11bo$7bo2bo$8b2o$2b2o$3bo7b3o$3o8bo2bo$o 11b2o13b2o11bo$26bo2bo8b3o$27b3o7bo$37b2o$31b2o$30bo2bo$19bo11b2o$18bo bo$18bobo16b2o$18b2o17bobo$15bo23bo$14bobo22b2o$14bobo$15bo4$11b2o4b2o $12bo4bobo$9b3o7bo$9bo9b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 30 ZOOM 6 LOOP 59 ]]
Pattern type Oscillator
Number of cells 108
Bounding box 41 × 41
Period 59
Mod 59
Heat 93.0
Volatility 0.93
Strict volatility 0.93
Discovered by Mitchell Riley
Year of discovery 2022

108P59 is a period-59 oscillator found by Mitchell Riley on September 14, 2022.[1] In terms of its minimum population of 108 cells, it is the smallest known oscillator of this period; it is also the only known oscillator of this period that does not rely on adjustable glider loops or Herschel track technology.

The name 108P59 was chosen over a more descriptive name (such as p59 [object] hassler) because in its most recognisable form, it hassles both a bun and a beehive rather than a common single object.

A 40-glider synthesis for this oscillator was found on the day of its discovery.[2]


  1. Mitchell Riley (September 14, 2022). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. Chris857 (September 14, 2022). Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums

See also

External links