Hook with tail

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Hook with tail
Hook with tail image
Pattern type Strict still life
Number of cells 8
Bounding box 5×4
Frequency class 20.5
Discovered by Unknown
Year of discovery Unknown

Hook with tail (or snake eater) is an 8-cell still life. consisting of a hook with a tail. It was for a long time the smallest still life without a well-established name; it is now a vital component of the smallest known heavyweight spaceship gun, where it acts as a rock.

Note that, despite its name, this pattern is not truly a bookend with a tail.


Hook with tail is the sixty-ninth most common still life in Achim Flammenkamp's census, being less common than loaf siamese loaf but more common than long integral[1] It is also the eightieth most common object on Adam P. Goucher's Catagolue.[2]


On April 29, 2007 Dean Hickerson 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 8, 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