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|Number of cells||72|
|Discovered by||Achim Flammenkamp|
|Year of discovery||1994|
Achim's p11 is a period-11 oscillator discovered by Achim Flammenkamp on August 4, 1994. In February, 2000 Mark Niemiec created a 96-glider synthesis for this oscillator, which was eventually improved to 75 gliders by Jeremy Tan on July 11, 2019.
- 72P11.1 at Heinrich Koenig's Game of Life Object Catalogs