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x = 6, y = 5, rule = B3/S23 4b2o$5bo$2o2bo$o2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life
Pattern type Strict still life
Number of cells 10
Bounding box 6×5
Frequency class 19.3
Discovered by Unknown
Year of discovery 1972

Cis-shillelagh is a 10-bit still life.


Cis-shillelagh is the fifty-second most common still life in Achim Flammenkamp's census, being less common than trans-block on long bookend but more common than mirrored dock.[1] It is also the sixtieth most common object on Adam P. Goucher's Catagolue.[2]

Glider synthesis

On March 21, 2007 Heinrich Koenig found a 4-glider synthesis of this still life.[3]

See also


  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on November 7, 2009.
  2. Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
  3. Dean Hickerson's 2, 3, and 4-glider syntheses pattern collection

External links