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|Number of cells||112|
|Discovered by||Nicolay Beluchenko|
|Year of discovery||2009|
112P51 is an unnamed period 51 oscillator that was found by Nicolay Beluchenko in March 2009. It was the first true period 51 oscillator found  – all previous known period 51 oscillators were made of disjoint period 3 and 17 oscillators. It can be extended diagonally by making copies of itself share two blocks as shown below.
- H. Koenig (March 16, 2009). "New Oscillators". Retrieved on April 3, 2009.