Hook with tail
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Hook with tail | |||||||||
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Pattern type | Strict still life | ||||||||
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Number of cells | 8 | ||||||||
Bounding box | 5 × 4 | ||||||||
Frequency class | 20.5 | ||||||||
Discovered by | Unknown | ||||||||
Year of discovery | Unknown | ||||||||
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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.
Commonness
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]
Synthesis
On April 29, 2007 Dean Hickerson found a 4-glider synthesis of this still life.[3]
See also
References
- ↑ Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on November 8, 2009.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.
- ↑ Dean Hickerson's 2, 3, and 4-glider syntheses pattern collection
External links
- Hook with tail at the Life Lexicon
- The 9 eight-bit still-lifes at Mark D. Niemiec's Life Page