Difference between revisions of "X66"

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{{Spaceship|name=x66|pname=x66|bx=9|by=11|h=31|dir=Orthogonal|p=4|s=c/2|c=34|discoverer=Hartmut Holzwart|discoveryear=1992|life105=true|life106=true|plaintext=true|rle=true|synthesis=13|synthesisRLE=true|animated=true}}
+
{{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

x66
2bo$2o$o2b3o2bo$o4b3o$b3o2b2o2$b3o2b2o$o4b3o$o2b3o2bo$2o$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
Pattern type Spaceship
Number of cells 34
Bounding box 9×11
Direction Orthogonal
Period 4
Mod Unknown
Speed c/2
Speed (unsimplified) Unknown
Heat 31
Discovered by Hartmut Holzwart
Year of discovery 1992

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

Half of x66 supported by a heavyweight spaceship
RLE: here

See also

References

  1. flipper77 (March 8, 2015). "Re: Soup search results". Retrieved on March 18, 2016.

External links