Muttering moat 1 is a period 2 oscillator and muttering moat that was found in May 1993 by Dean Hickerson.
Martin Grant and Goldtiger997 found a 21-glider synthesis of Muttering moat 1 on March 2, 2017. This was improved to 11 gliders by Mark Niemiec in March 2019.
- ↑ Goldtiger997. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- ↑ Mark Niemiec. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- 15P2.12 at Heinrich Koenig's Game of Life Object Catalogs