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|Number of cells||16|
|Bounding box||12 × 5|
|Discovered by||Dean Hickerson|
|Year of discovery||1989|
Bent keys is a period-3 oscillator found by Dean Hickerson in August 1989. In September 2004 Jason Summers found a 10-glider synthesis of this oscillator, which was improved to 8 gliders by Jeremy Tan in June 2019. It can be extended infinitely, like the odd keys.
Trans pulsar horn variant
The outer ends can also mutually stabilise an object comprised of two pulsar horns in C2_2 symmetry. Unlike the standard centre, this only works with the odd keys variant.