Difference between revisions of "X66"
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{{Spaceship|name=x66|pname=x66|bx=9|by=11 | {{Spaceship | ||
|name = x66 | |||
|pname = x66 | |||
|c = 34 | |||
|bx = 9 | |||
|by = 11 | |||
|dir = Orthogonal | |||
|p = 4 | |||
|s = c/2 | |||
|h = 31 | |||
|discoverer = Hartmut Holzwart | |||
|discoveryear = 1992 | |||
|synthesis = 13 | |||
|synthesisRLE = true | |||
|life105 = true | |||
|life106 = true | |||
|plaintext = true | |||
|rle = true | |||
|animated = true | |||
}} | |||
'''x66''' is a [[period]] [[:Category:Spaceships with period 4|4]] [[spaceship]] with [[speed]] [[c/2 orthogonal|c/2]] that was found by [[:Category:Patterns found by Hartmut Holzwart|Hartmut Holzwart]] in July [[:Category:Patterns found in 1992|1992]]. One of the symmetric halves can alternatively be escorted by a [[heavyweight spaceship]]. Its name refers to the fact that every [[cell]] (alive or dead) has at most 6 live [[Moore neighbourhood|neighbours]] (in contrast to spaceships based on [[lightweight spaceship]]s, [[middleweight spaceship]]s, or heavyweight spaceships). In fact, this spaceship was found via a search with this restriction. From this follows that the spaceship is stable also in Life-like rules allowing birth or survival for a cell with 7 or 8 neighbors. | '''x66''' is a [[period]] [[:Category:Spaceships with period 4|4]] [[spaceship]] with [[speed]] [[c/2 orthogonal|c/2]] that was found by [[:Category:Patterns found by Hartmut Holzwart|Hartmut Holzwart]] in July [[:Category:Patterns found in 1992|1992]]. One of the symmetric halves can alternatively be escorted by a [[heavyweight spaceship]]. Its name refers to the fact that every [[cell]] (alive or dead) has at most 6 live [[Moore neighbourhood|neighbours]] (in contrast to spaceships based on [[lightweight spaceship]]s, [[middleweight spaceship]]s, or heavyweight spaceships). In fact, this spaceship was found via a search with this restriction. From this follows that the spaceship is stable also in Life-like rules allowing birth or survival for a cell with 7 or 8 neighbors. | ||
Revision as of 15:07, 19 June 2016
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| Pattern type | Spaceship | ||||||
|---|---|---|---|---|---|---|---|
| Number of cells | 34 | ||||||
| Bounding box | 9 × 11 | ||||||
| Direction | Orthogonal | ||||||
| Period | 4 | ||||||
| Mod | Unknown | ||||||
| Speed | c/2 | Unknown | ||||||
| Heat | 31 | ||||||
| Discovered by | Hartmut Holzwart | ||||||
| Year of discovery | 1992 | ||||||
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x66 is a period 4 spaceship with speed c/2 that was found by Hartmut Holzwart in July 1992. One of the symmetric halves can alternatively be escorted by a heavyweight spaceship. Its name refers to the fact that every cell (alive or dead) has at most 6 live neighbours (in contrast to spaceships based on lightweight spaceships, middleweight spaceships, or heavyweight spaceships). In fact, this spaceship was found via a search with this restriction. From this follows that the spaceship is stable also in Life-like rules allowing birth or survival for a cell with 7 or 8 neighbors.
x66 was first synthesized on January 11, 2015, requiring 166 gliders. After the emergence of this spaceship in a symmetrical soup on March 8, 2015,[1] this was drastically reduced to 13 gliders.
Half of x66 can be supported by a heavyweight spaceship.
Image gallery
See also
References
- ↑ flipper77 (March 8, 2015). "Re: Soup search results". Retrieved on March 18, 2016.
External links
- x66 at the Life Lexicon
- Glider 10240 at David Eppstein's Glider Database
- x66 at Adam P. Goucher's Catagolue
- Patterns
- Spaceships with 34 cells
- Periodic objects with minimum population 34
- Patterns with 34 cells
- Patterns found by Hartmut Holzwart
- Patterns found in 1992
- Patterns that can be constructed with 13 gliders
- Spaceships
- Spaceships with period 4
- Orthogonal spaceships
- Spaceships with speed c/2
- Spaceships with heat 31