Muttering moat 1
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Muttering moat 1  
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Pattern type  Oscillator  

Oscillator type  Muttering moat  
Number of cells  15  
Bounding box  7×7  
Period  2  
Mod  1  
Heat  10  
Volatility  0.50  
Strict volatility  0.50  
Discovered by  Dean Hickerson  
Year of discovery  1993  
 
 
 

Muttering moat 1 is a period 2 oscillator and muttering moat that was found in May 1993 by Dean Hickerson.
Synthesis
Martin Grant and Goldtiger997 found a 21glider synthesis of Muttering moat 1 on March 2, 2017.^{[1]} This was improved to 11 gliders by Mark Niemiec in March 2019.^{[2]}
References
 ↑ Goldtiger997. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
 ↑ Mark Niemiec. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
External links
 Muttering moat 1 at the Life Lexicon
 15P2.12 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
 Patterns
 Oscillators with 15 cells
 Patterns with 15 cells
 Patterns found by Dean Hickerson
 Patterns found in 1993
 Patterns that can be constructed with 11 gliders
 Oscillators
 Periodic objects with minimum population 15
 Muttering moats
 Oscillators with period 2
 Oscillators with mod 1
 Oscillators with heat 10
 Oscillators with volatility 0.50
 Oscillators with strict volatility 0.50
 Flipping oscillators
 Natural periodic objects