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|Oscillator type||Billiard table|
|Number of cells||22|
|Discovered by||Robert Wainwright|
|Year of discovery||1985|
Stillater is a period 3 oscillator that was found by Robert Wainwright in September 1985. It is one of only three essentially different period 3 oscillators with only three cells in the rotor. The others are 1-2-3 and cuphook.
- 22P3.81 at Heinrich Koenig's Game of Life Object Catalogs