Hook with two tails
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| Hook with two tails | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 6 × 6 | ||||||||
| Frequency class | 34.3 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Robert Wainwright Everett Boyer | ||||||||
| Year of discovery | 1973 | ||||||||
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The hook with two tails is a 12-cell still life.
Construction
This still life is known to be constructible with 7 gliders.[1] Some alternate syntheses can be found in Mark Niemiec's database.[2]
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Occurrence
Among the 121 still lifes with 12 cells, this is the 109th most common (i.e. 13th rarest) 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_ghn84cz1 at Adam P. Goucher's Catagolue
- ↑ 2.0 2.1 The 121 twelve-bit still-lifes at Mark D. Niemiec's Life Page (download pattern file: 12/12-119.rle)
- ↑ xs12_ghn84cz1 (archived copy)
External links
- Hook with two tails at Adam P. Goucher's Catagolue
- 12.82 at Heinrich Koenig's Game of Life Object Catalogs
Categories:
- Patterns
- Patterns with Catagolue frequency class 34
- 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 7 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 12 cells