xs15_3lkia4z32

xs15_3lkia4z32
x = 6, y = 7, rule = B3/S23 2o$o2b2o$b2o2bo$4bo$b3o$o$2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 3 ZOOM 21 HEIGHT 400 SUPPRESS ]] #C [[ ZOOM 25 ]]
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Pattern type	Strict still life
Number of cells	15
Bounding box	7 × 6
Frequency class	29.9
Static symmetry	n (C1)
Discovered by	Unknown
Year of discovery	Unknown
Rules Outer-totalistic rules B/S23 – B3678/S012345678 # of rules 211 = 2048 Isotropic rules B/S23n – B2in34-ijkn5-qr678/S012345678
Glider synthesis Fewest gliders 5 Catagolue-generated RLE synthesis
Pattern files Plaintext xs15_3lkia4z32.cells RLE xs15_3lkia4z32.rle
Identifiers apgcode xs15_3lkia4z32 Niemiec ID 15.482 Pentadecathlon ID 15.236

xs15_3lkia4z32 is an unnamed 15-cell still life. It can replace the beehive with tail catalyst in the syringe, especially when welding it with a Snark, because this can also act as an eater 1. An example can be found in the infobox of G-to-LWSS.

Construction

This still life is known to be constructible with 5 gliders. A 5-glider synthesis was found in March 2021.

x = 20, y = 25, rule = B3/S23 7bo$7bobo$o6b2o$obo$2o3$13b2o3b2o$13bobobobo$15bobo$15bo2bo$16bobo$17b o5$2b2o$b2o$3bo$7b3o$7bo$8bo4bo$12b2o$12bobo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 370 THEME Book ZOOM 10 X -8 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 30 PAUSE 1 T 49 PAUSE 2 LOOP 50 ]] A 5G synthesis (2021) (click above to open LifeViewer)

x = 40, y = 39, rule = B3/S23 11bo$9bobo$10b2o12$33b2o3b2o$3b3o14b3o10bobobobo$5bo14bo6b2o6bobo$4bo 16bo5bobo5bo2bo$27bo8bobo$37bo15$31b3o$31bo$b2o29bo$obo$2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 440 THEME Book ZOOM 10 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 52 PAUSE 1 T 70 PAUSE 2 LOOP 71 ]] A 6G synthesis (2017) (click above to open LifeViewer)

x = 56, y = 49, rule = B3/S23 5bo$6bo$4b3o7$25bo$23bobo$24b2o6$49b2o3b2o$49bobobobo$51bobo$51bo2bo$ 52bobo$53bo7$22bo$22b2o12b3o$21bobo12bo$37bo2$44b2o$44bobo$44bo10$b2o 45b2o$obo45bobo$2bo45bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ HEIGHT 450 THEME Book ZOOM 10 X 4 AUTOSTART GPS 12 T 0 PAUSE 1 T 20 PAUSE 3 T 66 PAUSE 1 T 110 PAUSE 2 LOOP 111 ]] A 7G synthesis (2015) (click above to open LifeViewer)

Occurrence

See also: List of common still lifes

This still life is about the 97th most common 15-cell still life out of 1353.

There are no occurrences of this still life in final patterns of collisions catalogued in octohash, octo3obj or octo3g databases.

See also

• Eleven loop
• Loop
• Thirteen loop

External links

• xs15_3lkia4z32 at Adam P. Goucher's Catagolue
• 15.236 at Heinrich Koenig's Game of Life Object Catalogs