54P12H6V0
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| 54P12H6V0 | |||||||||
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| Pattern type | Tagalong Spaceship | ||||||||
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| Number of cells | 54 | ||||||||
| Bounding box | 25 × 12 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 12 (mod: 12) | ||||||||
| Speed | c/2 | 6c/12 | ||||||||
| Heat | 58.3 | ||||||||
| Kinetic symmetry | -c | ||||||||
| Discovered by | Charity Engine | ||||||||
| Year of discovery | 2022 | ||||||||
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54P12H6V0 is a period-12 c/2 orthogonal spaceship found by Charity Engine on 9 September, 2022, using apgsearch. It is the first period-12 spaceship to occur semi-naturally (i.e. in a symmetric random soup) which is not a Schick engine.
The spaceship consists of a central period-12 tagalong based on two B-heptominoes being pulled by two escorting lightweight spaceships; unlike some other tagalongs such as Big A, these cannot be substituted with a middleweight spaceship's belly spark.
Glider synthesis
A 22-glider synthesis for the spaceship is the current minimum.
See also
External links
Categories:
- Patterns
- Spaceships with 54 cells
- Periodic objects with minimum population 54
- Patterns with 54 cells
- Patterns found by Charity Engine
- Patterns found in 2022
- Patterns that can be constructed with 22 gliders
- Spaceships
- Tagalongs
- Spaceships with period 12
- Orthogonal spaceships
- Spaceships with speed c/2
- Spaceships with unsimplified speed 6c/12
- Spaceships with heat 58
- Spaceships with mod 12
- Spaceships with -c symmetry
- Semi-natural periodic objects
- Unnamed periodic objects