Up dove on dove

	Up dove on dove
	<a href="/wiki/File:Updoveondove.png" class="image" title="Up dove on dove image"><img alt="Up dove on dove image" src="/w/images/c/c0/Updoveondove.png" decoding="async" width="177" height="113" /></a>
	<a href="/wiki/File:Updoveondove.png" class="image" title="Up dove on dove image"><img alt="Up dove on dove image" src="/w/images/c/c0/Updoveondove.png" decoding="async" width="177" height="113" /></a>
	View static image
Pattern type	Strict still life
Number of cells	18
Bounding box	9×5
Frequency class	21.0
Discovered by	Unknown
Year of discovery	Unknown
Rules
Outer-totalistic rules	B/S23 – B378/S012345678
Important rules	Conway Life
# of rules	210 = 1024
Isotropic rules	B/S2-ai3nr – B2ikn34-ijk5-n6-i78/S012345678
Glider synthesis
Fewest gliders	4
Catagolue-generated RLE	updoveondove_synth.rle
Uploaded synthesis RLE	updoveondove_synth.rle
Pattern files
Plaintext	updoveondove.cells
RLE	updoveondove.rle
Identifiers
apgcode	xs18_69is0si96
Niemiec ID	18.355
Pentadecathlon ID	18.15360

Up dove on dove (or cis-mirrored R-mango) is an 18-bit still life consisting of two mirrored doves.

Commonness

Up dove on dove is the eighty-ninth most common object on Adam P. Goucher's Catagolue.^[1]