Trans-hook and R-bee

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Trans-hook and R-bee
x = 5, y = 7, rule = B3/S23 3b2o$bo2bo$b3o2$b3o$o2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life
Pattern type Strict still life
Number of cells 14
Bounding box 5×7
Frequency class 19.9
Discovered by Unknown
Year of discovery Unknown

Trans-hook and R-bee (or down bun on bookend) is a still life composed of a bookend (also known as a hook) and a bun (also known as an R-bee). On April 17, 2007, Dean Hickerson found a 4-glider synthesis of this still life.[1]


Trans-hook and R-bee is the fifty-fifth most common still life in Achim Flammenkamp's census, being less common than broken snake but more common than block and two tails.[2] It is also the sixty-seventh most common object on Adam P. Goucher's Catagolue.[3]

See also


  1. Dean Hickerson's 2, 3, and 4-glider syntheses pattern collection
  2. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
  3. Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.

External links