Mango with block on dock

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Mango with block on dock
x = 8, y = 9, rule = B3/S23 bo$obo$o2bo$bobo2b2o$2bo4bo$3b4o2$3b2o$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] [[ ZOOM 30 ]]
Pattern type Strict still life
Number of cells 19
Bounding box 9 × 8
Frequency class 22.5
Static symmetry n (C1)
Discovered by Unknown
Year of discovery Unknown

Mango with block on dock is a 19-bit still life. It consists of a block stabilizing an induction coil which looks like a dock with one of its heads replaced by a mango.

Commonness

Main article: List of common still lifes

It is the 105th most common still life on Adam P. Goucher's Catagolue, being less common than loaf bridge eater-with-tail but more common than trans-bun and dove. It is the most common still life with 19 cells, being slightly more common than xs19_69bo7pic.

The object almost always forms via the active region below[note 1] hitting a blinker:

x = 10, y = 5, rule = B3/S23 o5b3o$o4bo3bo$o3bo$4bo$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 400 THUMBSIZE 2 ZOOM 32 X -1 GPS 2 AUTOSTART T 0 PAUSE 1.5 LOOP 13 ]]
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RLE: here Plaintext: here

Glider synthesis

Bob Shemyakin found a 4-glider synthesis for this still life on June 26, 2015.[1]

See also

Notes

  1. 2146 occurrences in the list of common evolutionary sequences, which for reference, is about one of these for every 60 wings

References

  1. Bob Shemyakin (June 26, 2015). Re: 4 glider syntheses (discussion thread) at the ConwayLife.com forums

External links