Centinal

	Centinal
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Centinal.png" class="mw-file-description" title="Centinal image"><img alt="Centinal image" src="/w/images/a/a7/Centinal.png" decoding="async" width="217" height="77" class="mw-file-element"></a></span>
	<span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Centinal.png" class="mw-file-description" title="Centinal image"><img alt="Centinal image" src="/w/images/a/a7/Centinal.png" decoding="async" width="217" height="77" class="mw-file-element"></a></span>
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Pattern type	Shuttle; Oscillator
Number of cells	70
Bounding box	52 × 17
Period	100 (mod: Unknown)
Heat	52
Volatility	Unknown \| Unknown
Kinetic symmetry	Unspecified
Discovered by	Bill Gosper
Year of discovery	Unknown
Glider synthesis
Fewest gliders	16†
Uploaded synthesis RLE	centinal_synth.rle
	†Can be constructed with 15 gliders using the reverse caber tosser universal constructor.
Pattern files
Plaintext	centinal.cells
RLE	centinal.rle

Centinal is a period 100 shuttle oscillator that was found by Bill Gosper no earlier than 1973. It combines the mechanisms of the period 46 and period 54 shuttles.

External links