Snake bridge snake
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| Snake bridge snake | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 6 × 6 | ||||||||
| Frequency class | 32.4 | ||||||||
| Static symmetry | / (D2_x) | ||||||||
| Discovered by | Robert Wainwright Everett Boyer | ||||||||
| Year of discovery | 1973 | ||||||||
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Snake bridge snake is a 12-cell still life composed of two diagonally-touching snakes.
Construction
This still life is known to be constructible with 6 gliders.[1] A 6-glider synthesis was found in December 2023.[2][3]
| A 6G synthesis[2][3] (click above to open LifeViewer) |
| A 7G synthesis[1] (click above to open LifeViewer) |
| A 9G synthesis[4] (click above to open LifeViewer) |
| An 11G synthesis[4] (click above to open LifeViewer) |
Occurrence
- See also: List of common still lifes
Among the 121 still lifes with 12 cells, this is the 92nd most common still life according to Catagolue.
There are no collisions in octohash, octo3obj or octo3g databases with this still life occurring in the ash.
See also
References
- ↑ 1.0 1.1 xs12_ck3123z11 at Adam P. Goucher's Catagolue
- ↑ 2.0 2.1 iNoMed (December 10, 2023). Re: Still Life Synthesis Thread (discussion thread) at the ConwayLife.com forums
- ↑ 3.0 3.1 shinjuku (#5719759879) (December 10, 2023). Job triggered by Adam P. Goucher at GitLab Catagolue project.
- ↑ 4.0 4.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-105.rle)
External links
- Snake bridge snake at Adam P. Goucher's Catagolue
- Snake bridge snake at the Life Lexicon
- 12.90 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 32
- Natural periodic objects
- Periodic objects with minimum population 12
- Patterns with 12 cells
- Patterns found by Robert Wainwright
- Patterns found by Everett Boyer
- Patterns found in 1973
- Patterns that can be constructed with 6 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 12 cells
- Strict still lifes with / symmetry