Difference between revisions of "Period-24 glider gun"

From LifeWiki
Jump to navigation Jump to search
m (viewerconfig)
m
Line 50: Line 50:
==See also==
==See also==
*[[Period-20 glider gun]]
*[[Period-20 glider gun]]
==External links==
{{LinkLexicon|lex_p.htm#p24gun}}


==References==
==References==


<references/>
<references/>
==External links==
{{LinkLexicon|lex_p.htm#p24gun}}

Revision as of 19:13, 7 July 2019

Period-24 glider gun
x = 43, y = 32, rule = B3/S23 23bo2bo$21b6o$17b2obo8bo$13b2obobobob8o2bo$11b3ob2o3bobo7b3o$10bo4b3o 2bo3bo3b2o$11b3o3b2ob4obo3bob2o$12bobo3bo5bo4bo2bo4b2obo$10bo8bob2o2b 2o2b2o5bob2obo$10b5ob4obo4b3o7bo4bo$15b2o4bo4bob3o2b2obob2ob2o$12b5ob 3o4b2ob2o3bobobobobo$11bo5b2o4b2obob2o5bo5bo$12b5o6b2obo3bo3bobob2ob2o $2ob2o9b2o2bo5bobo4bo2b3obobo$bobobobob2o3b3obo6bo2bobo4b3o2bo$o2bo7bo 6b2o3b3o8bobob2o$3o2bo4b2o11bo10bo$5b4obo17b2o4b2o$2b2obo6bo14bo3bo2b 2o$bo4bo3bo16bo6b2o$b3obo4bo16bo3bo2bo$11bo2bo3bo9b2o4bobob2o$b3obo4bo 8b2o3bo10b3o2bo$bo4bo3bo7bo6bo8b3obobo$2b2obo6bo10b3o8bobob2ob2o$5b4ob o24bo5bo$3o2bo4b2o21bobobobobo$o2bo7bo9b2o10b2obob2ob2o$bobobobob2o10b o8bo5bo4bo$2ob2o17b3o6bo4bob2obo$24bo4b3o5b2obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 8 AUTOSTART OFF ]]
Pattern type Gun
Number of cells 335
Bounding box 43 × 32
Period 24
Barrels 1
Discovered by Noam Elkies
Year of discovery 1997

Period-24 glider gun is a true period 24 gun discovered by Noam D. Elkies in 1997.[1] It uses four large period 4 oscillators (two of them variants of fountain, the other two adjoined by common casing) to hassle two T-tetrominos, which react together to produce gliders. The form on the right is a reduced variant found by Karel Suhajda.[2] The eater 1 can be replaced with a unix for compacting purposes, such as in earlier versions of the period-48 glider gun.

No more than five days after the initial discovery, Elkies found a method to double the period of the gun, resulting in the first known period 48 glider gun.[1] A smaller version was found in 2016 by Tanner Jacobi, using Rich's p16 to double the period.[3]

In early 2019 a smaller period-24 gun was assembled by Tanner Jacobi and Matthias Merzenich, based on the dueling banjos oscillator (see animation below).

Gallery

Original period 24 glider gun.
Period 48 glider gun.
x = 84, y = 89, rule = B3/S23 14bob2o9b2obo$14b2obo2b2ob2o2bob2o$17bobobobobobo$14b3obo7bob3o$14bo2b obo5bobo2bo$17b4o3b4o$16bo3bo3bo3bo$17b2o7b2o2$16b4o5b4o24bob2o9b2obo$ 5bo2b2o5bob2o2b3o2b2obo23b2obo2b2ob2o2bob2o$4bobo2bo2bo3b2ob7ob2o27bob obobobobo$4bob2obobobo18bo20b3obo7bob3o$3b2obo2bobobo17bob4o16bo2bobo 5bobo2bo$3bo2bob2obo3bo14bobob3o19b4o3b4o$5b2obo7bo12bobo23bo3bo3bo3bo $3bo5bo3bobo14bo25b2o7b2o$2bo4bobo6bo13b2o$2b2ob3obob3ob2o6bo6b2o23b4o 5b4o$8b2obo4bo5b3o5b2o22bob2o2b3o2b2obo5b2o2bo$2b5o4bo43b2ob7ob2o3bo2b o2bobo$bo4bob3o40b2o17bobobob2obo$bob2obobo38b2o2b2o17bobobo2bob2o$2ob o2bo5bob4o6bo22b2o2bob2o13bo3bob2obo2bo$bobobobo3bo2bo10b2o25b3o12bo7b ob2o$bobo2bobo7bo7b2o42bobo3bo5bo$2ob2o2b2o2b5o4bo46bo6bobo4bo$3bo10bo 4b3o30b2o5b3o5b2ob3obob3ob2o$3bobobo4bo5bobobo29b2o5bobo5bo4bob2o$2b2o b4o4b2o15bo28b3o10bo4b5o$4bo3bobob3o16b2o40b3obo4bo$4bobo7bo15b2o43bob ob2obo$3b2ob2o58b4obo5bo2bob2o$10b2o5b5o5b2o29bo10bo2bo3bobobobo$10bo 2b2ob2o3b2ob2o2bo27b2o5bo3bo7bobo2bobo$11b2o13b2o8bo20b2o3b3o3b5o2b2o 2b2ob2o$8b3o2bo2bo2bo2bo2bo2b3o6b2o23b3o4bo10bo$7bo3b2o13b2o3bo4b2o33b o4bobobo$7b2obo2b2obo5bob2o2bob2o37b2o4b4ob2o$8bob4o2bo5bo2b4obo21bo 16b3obobo3bo$7bo6b2o7b2o6bo18b2o17bo7bobo$8b6o11b6o11bo8b2o23b2ob2o$ 10bo2bo11bo2bo14b2o10b2o5b5o5b2o$42b2o11bo2b2ob2o3b2ob2o2bo$56b2o13b2o $46bo6b3o2bo2bo2bo2bo2bo2b3o$7b4o8b4o8b4o9b2o6bo3b2o13b2o3bo$7bo3bo7bo 3bo7bo3bo9b2o5b2obo2b2obo5bob2o2bob2o$7bo11bo11bo8b3o10bob4o2bo5bo2b4o bo$8bo2bo8bo2bo8bo2bo4bo11bo6b2o7b2o6bo$41bo11b6o11b6o$55bo2bo11bo2bo$ 66b2o$66b2o$46b3o$46bo20bo$47bo18bobo$40bob2o17b2o2bo2bo$39bob2obo16b 2obo11b2ob2o$39bo4bo20b2o3b2obobobobo$38b2ob2obob2o4b3o14bo7bo2bo$39bo bobobobo4bo16b2o4bo2b3o$39bo5bo7bo7b2o7bob4o$38b2ob2obobo21bo6bob2o$ 40bobob3o11bo5bo5bo3bo4bo$40bo2b3o8bo3bo5bobo3bo4bob3o$41b2obobo6b6o5b o4bo$46bo5bobobo13bo4bob3o$45b2o4b3ob3o2b3o7bo3bo4bo$45b2o5bo2bo12bo6b ob2o$45b2o6bo7b2o7bob4o$46bo10bo11b2o4bo2b3o$41b2obobo8b3o3b2o6bo7bo2b o$40bo2b3o4bobo2bo6bob3o3b2obobobobo$40bobob3o2bo4bobo5bo2b2o9b2ob2o$ 38b2ob2obobo3bo3bob2o6b5o$39bo5bo5b2obob2o4b2o5bo$39bobobobobo3b2ob2o 4b3ob5o$38b2ob2obob2o2b3obo4bo4b2o$39bo4bo7b3o4bob4ob5o$39bob2obo5b2o 2b2o2b2obo8bo$40bob2o4bo2bo4bo5bo3bobo$48b2obo3bob4ob2o3b3o$51b2o3bo3b o2b3o4bo$48b3o7bobo3b2ob3o$48bo2b8obobobob2o$51bo8bob2o$54b6o$54bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 24 LOOP 48 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 4 HEIGHT 480 ]]
A p24 LWSS gun, used in broken lines.

(click above to open LifeViewer)
RLE: here Plaintext: here
x = 40, y = 31, rule = B3/S23 5b2ob2o4b2o3b2o4b2ob2o$5b2obobo3b2o3b2o3bobob2o$8bo5bobobobo5bo$8bo2bo 11bo2bo$9bo15bo$3bobo7bob2ob2obo$b3ob3o5bo2bobo2bo$o7bo4b3o3b3o7b2o3bo $bob6o19bo2bobobo2bo$b2o4bo20bob2obob4o$3bo3b2o18b2o4bo$2bobo2bobo10bo 4bo3b4ob2ob2o$3bo2bo13bo7bobobobobo2bo$6bo3bo2b2o9bo3bo3bo2bo2b2o$6bo 3bo2b2o9bo6b2o$6bo6bo14b3obo2bo$6bo2bo11bo3bo4bo2b3o$7bo14bo4b2obobo$ 5bobobo10b3o5bobo2b3o$4bobob2o18bobo4bo$4bobo6b5o11bo$5b2o4b3obob3o$ 10bo4bo4bo6bo$10bob2o2bob2obo6bo$11bo2b2o3bobo4b3o$12b2o2bo2bob2o$14bo 4bobo2bo$14b4ob2o2b2o$18bo14bo$16bobo15bo$16b2o14b3o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 24 LOOP 48 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 372 ]]
A smaller p24 gun based on dueling banjos.

(click above to open LifeViewer)
RLE: here Plaintext: here
x = 69, y = 66, rule = B3/S23 10b2ob2o15b2ob2o$10b2obo5bo5bo5bob2o$13bo4b2o5b2o4bo$13b2o2bo9bo2b2o$ 18b2obobob2o$8bobo8b3ob3o11b2o$6b3ob3o23bobo$5bo7bo22b3o$6bob6o21bo$6b 2o4bo5bo7bo7bob4o$8bo3b2o3b4o3b4o4b2obo4bo$7bobo2bobo2bo3bobo3bo3bobob ob2obob3o$8bo2bo6bo2bobo2bo4b3obob2obobobo$11bo3bo2b3o3b3o8bo4bob2o$ 11bo3bo20b4obo6b2ob2o3b2ob2o$11bo28bo6bo5bobo5bo$11bo2bo22b3o12b2ob2o$ 12bo24bobo10bo7bo$10bobobo22b2o8bo2bob2ob2obo2bo$9bobob2o14bo18bo3bo3b o3bo$9bobo6b5o7bo18b2ob2ob2ob2o$10b2o4b3obob3o3b3o19bo2bobo2bo$15bo4bo 4bo25bobobobo$15bob2o2bob2obo25bo3bo$16bo2b2o3bobo$17b2o2bo2bob2o7bo$ 12b2o5bo4bobo2bo6bo$8b2obobo5b4ob2o2b2o4b3o3bo2bo20bo2bo$9bobo11bo20bo 23bo$9bobo7b2o2bo16bo3bo19bo3bo$8b2o3bob2obob3o7b2o9b4o20b4o$7bo3b4obo bo12b2o$8b3o3bo3bob3o7bo$11b4ob2o2bo2bo$8b2obo8bobo12b2o14b2o$7bobo2bo 2b5obo12b2o14bobo$2o5bo3bo3bo4bo3b2o10bo13bo$2o6b3o6b3o5b2o17b2o2b2ob 4o$10bob4obo6bo19bo2bobo4bo$4o7b6o29b2obob2o2b2o$o2bo8b4o25b2o4bobo3b 2o2bo$26b2o12b2o5bobob2o2b2obo$18b2o7bo14bo5bo4bo4bo$6b3o10b2o4bo23b3o bob3o4b2o$4bo3b2o8bo4b4o12bo11b2ob2o6bobo$4bobo2b2o11bo4bo5bo4bobo18b 2obobo$3bo5bo11bob5o5b3o2bobo6b2o10bobobo$4b5o12bo6b2o6bobob2o4b2o13bo $20b2obobobo2bo2b2obobo3bo5bo5bo5b2o$4b5o11bo2bobobob2o2bo4b2ob3o11bo 3b3o$3bo5bo11b2obo2bo6b3o4b3o10b2o3b3o$4bobo2b2o9bo3bob2ob2o2b2obo4b3o 10bo4b3o$4bo3b2o10b2obobo3bo4bobobo2b3o4bo10b3o3bo$6b3o12bobo2b2o2b3ob ob2obo2bo4bobo10b2o2bobo$21bo2bobo8bo4b2o22bo2bo$22b2o2bo3b4obob2obo 20bo$o2bo14b2o6b2o2bo2bobobo2bo20b6obo$4o3b2o10bo14bo3b2o8bo5bo5bo7bo$ 6bo3b9o28b3o3b3o5b3ob3o$2o4bobob7o2b3o24bo2b2ob2o2bo6bobo$2o3b2ob2o2b 4o2bo2bo21b2o13b2o$8bo2bo7b2o21bo6b2ob2o6bo$5b2obobobo29bob2o11b2obo$ 6bo4bo27b2obo5b2o3b2o5bob2o$6bob3o28b2ob2o5bo3bo5b2ob2o$7b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 12 LOOP 48 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 6 WIDTH 480 HEIGHT 480 ]]
A p48 LWSS gun, using Rich's p16.

(click above to open LifeViewer)
RLE: here Plaintext: here

See also

References

  1. 1.0 1.1 Paul Callahan (February 11, 2001). "p24 "true" gun (mail digest)". Retrieved on March 17, 2016.
  2. Jason Summers (December 30, 2012). "Pattern Collections, jslife/osc". Retrieved on March 17, 2016.
  3. Tanner Jacobi (2016-07-05). "Re: Soup search results". ConwayLife.com forums. Retrieved on 2016-07-05.

External links