Long snake siamese long snake: Difference between revisions
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all 12-bit still lifes found in Lifeline Volume 10; overall frequency not unknown |
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| Line 6: | Line 6: | ||
|by = 4 | |by = 4 | ||
|fc = 34.4 | |fc = 34.4 | ||
|discoverer = Robert Wainwright | |||
|discoverer2 = Everett Boyer | |||
|discoveryear = 1973 | |||
|rulemin = B/S23 | |rulemin = B/S23 | ||
|rulemax = B35678/S012345678 | |rulemax = B35678/S012345678 | ||
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== [[List of common still lifes|Commonness]] == | == [[List of common still lifes|Commonness]] == | ||
Among still lifes with 12 cells, this is the 111th most common still life according to [[Catagolue]]. | Among the 121 still lifes with 12 cells, this is the 111th most common (i.e. 11th rarest) still life according to [[Catagolue]]. | ||
== [[Glider synthesis]] == | == [[Glider synthesis]] == | ||
Revision as of 14:21, 30 May 2022
| Long snake siamese long snake | |||||||||
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| Pattern type | Strict still life | ||||||||
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| Number of cells | 12 | ||||||||
| Bounding box | 9 × 4 | ||||||||
| Frequency class | 34.4 | ||||||||
| Static symmetry | Unspecified | ||||||||
| Discovered by | Robert Wainwright Everett Boyer | ||||||||
| Year of discovery | 1973 | ||||||||
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The long snake siamese long snake is a 12-cell still life.
Among the 121 still lifes with 12 cells, this is the 111th most common (i.e. 11th rarest) still life according to Catagolue.
A 6-glider synthesis of this still life was found in March 2021.[1]
References
- ↑ goldenratio (March 15, 2021). Message in #cgol on the Conwaylife Lounge Discord server
External links
- 12.74 at Mark D. Niemiec's Life Page
- 12.36 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 6 gliders
- Still lifes
- Strict still lifes
- Strict still lifes with 12 cells
- Patterns with 180-degree rotation symmetry