Broken snake
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 10 | ||||||||
| Bounding box | 7 × 3 | ||||||||
| Frequency class | 19.8 | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | 1972 | ||||||||
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Broken snake (or carrier siamese snake) is a 10-cell still life that consists of an aircraft carrier and a snake attached together.
Occurrence
- See also: List of common still lifes
Broken snake is the fifty-fourth most common still life in Achim Flammenkamp's census, being less common than mirrored dock but more common than trans-bookend and bun.[1]
It is the 55th most common still life on Adam P. Goucher's Catagolue, being less common than prodigal but more common than trans-bookend and bun. It is the 8th most common still life with 10 cells, being less common than prodigal but more common than boat with long tail.[2]
Broken snake typically forms via a century hitting a block or other object in the same position. (The upper block is there to prevent a glider from crashing onto the broken snake, but many other perturbations work.)
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The broken snake is 40% rarer in an 8 × 8 soup and 20% rarer in a 10 × 10 soup compared to Catagolue's typical 16 × 16 soups. In infinite soups, it is 24% more common. This is likely because the base century+object collision (shown above) only forms the broken snake temporarily, and a larger soup allows for other cells to interfere and allow the broken snake to survive.
Glider synthesis
All strict still lifes with a population of 21 or fewer cells, all oscillators with 16 or fewer cells, and all spaceships with 31 or fewer cells are known to be glider-constructible. A glider synthesis of this object can be found in the infobox to the right.
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 May 5, 2023.
External links
- Broken snake at Adam P. Goucher's Catagolue
- The 25 ten-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 10/10-9.rle)
- 10.3 at Heinrich Koenig's Game of Life Object Catalogs