70P2H1V0.1
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| 70P2H1V0.1 | |||||||||||
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| Pattern type | Spaceship | ||||||||||
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| Number of cells | 70 | ||||||||||
| Bounding box | 12×21 | ||||||||||
| Direction | Orthogonal | ||||||||||
| Period | 2 | ||||||||||
| Mod | 2 | ||||||||||
| Speed | c/2 | ||||||||||
| Speed (unsimplified) | c/2 | ||||||||||
| Heat | 56 | ||||||||||
| Discovered by | Hartmut Holzwart | ||||||||||
| Year of discovery | 1992 | ||||||||||
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70P2H1V0.1 is a c/2 orthogonal spaceship. A 207-glider synthesis of this spaceship was submitted to Catagolue on July 18, 2020, making this the first period-2 spaceship to be synthesized.[1] Martin Grant subsequently revealed himself to be the author of the synthesis.[2] Improvements to the synthesis have since been found.[3]
References
- ↑ Ian07 (July 18, 2020). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ Martin Grant (July 19, 2020). "Small Spaceship Syntheses". Retrieved on July 19, 2020.
- ↑ Goldtiger997 (September 9, 2020). Message in #cgol on the Conwaylife Lounge Discord server
External links
- 70P2H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs
- Glider 16485 at David Eppstein's Glider Database
Categories:
- Patterns
- Patterns with 70 cells
- Patterns found by Hartmut Holzwart
- Patterns found in 1992
- Patterns that can be constructed with 101 or more gliders
- Spaceships
- Periodic objects with minimum population 70
- Spaceships with period 2
- Orthogonal spaceships
- Spaceships with speed c/2
- Spaceships with unsimplified speed c/2
- Spaceships with heat 56
- Spaceships with mod 2
- Patterns with bilateral orthogonal symmetry
- Unnamed periodic objects
