Tub with two up cis tails
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| Tub with two up cis tails | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 7 × 5 | ||||||||
| Frequency class | 31.5 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Robert Wainwright Everett Boyer | ||||||||
| Year of discovery | 1973 | ||||||||
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The tub with two up cis tails is a 12-cell still life.
Construction
This still life is known to be constructible with 5 gliders.[1] A 5-glider synthesis was found in January 2020.[2] Some known alternate syntheses can be found in Mark Niemiec's database.[3]
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Occurrence
Among the 121 still lifes with 12 cells, this is the 81st 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
- ↑ xs12_178ka23 at Adam P. Goucher's Catagolue
- ↑ 2.0 2.1 Ian07 (January 18, 2020). Re: Randomly enumerating glider syntheses (discussion thread) at the ConwayLife.com forums
- ↑ 3.0 3.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-60.rle)
External links
- Tub with two up cis tails at Adam P. Goucher's Catagolue
- 12.31 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 31
- 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 5 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 12 cells