Period-14 glider gun

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Period-14 glider gun
Period-14 glider gun image
Pattern type Gun
Number of cells 8519
Bounding box 385×337
Period 70
Barrels 1
Discovered by Karel Suhajda
Year of discovery 2004

Period-14 glider gun is a pseudo-period 14 gun discovered by Karel Suhajda. It has the smallest possible period for a glider gun since successive gliders cannot be closer than 14 generations apart. The actual period of the gun is 70.

More generally, this term may refer to any glider gun which emits a period 14 glider stream. There is no known true-period p14 glider gun, and finding a small direct example is well beyond current search algorithms' abilities. The first pseudo-period 14 gun was built by Dietrich Leithner in 1995. Several smaller versions have since been constructed, for example by the use of the 34P14 shuttle. The essential mechanism used by many of them is demonstrated in the gun in GIG:

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6bobo27b2o5b2o31bo35b2o48bo17b2o$59b2o5b2o40bo6b2o3bo7bo27b2o5b2o15bob 2o10b2o37bo50bobobob2obo6bo$105b2obo2bo7bo8b2o26b2o5b2o15b2obo11b2o33b 3o50b2obobobob2o9bo$105bo2bobobo4bobo36bo7bo65bo53bobo2bo14b2o$86bo20b 2ob2o6bo35b2ob2o3b2ob2o22b2o50b3o14b2o24bo2b2o14b2o$84bobo63bo3b2ob2o 3b2ob2o22b2o49bo2bo14bobo22b2o$85b2o61b2o4b2o2bo3bo2b2o73bo3bo13bo47bo bo$105bo2bo40b2o4b2obo3bob2o73b2o2bo63b2o$105bo3bo46b2o5b2o37b2o37bo8b o25b2o5b2o22bo$104bo4bo47bo5bo39b2o37b2o4bobo25b2o5b2o25bo$88b2o14bo4b o92bo39b3o4b2o60b2o$88b2o14bo3bo133b3o65b2o$96b2o7bobo78b3o$95b2o59b2o 5b2o23bo87b2o5b2o28bobo$97bo58b2o5b2o22bo51b3o33bo2bo3bo2bo28b2o$125b 2o112b2o3b2o28bo3bo3bo3bo27bo$125b2o112b4ob2o32b2ob2o34bo$85b2o32b2o 119bob2o29bo5bobo5bo30b2o$85bo33b2o118bo34bo3bo3bo3bo30b2o$86bo153bo 37bo3bo$85b2o103bo40b2obo8b3o29bo9bo34bobo$121b2o65b2ob2o4b2o3bo28bob 2o40bo2bo3bo2bo35b2o$114b2o5b2o65b3ob2o4bo2bobo12bo32b2o16b2o7b2o5b2o 36bo$114b2o15bobo55b5o2bo4bobo10b3o32bo16bobo55bo$131b2o57b3o3b5obo10b o33bobo18bo56b2o$132bo19b2o5b2o30bo8bo12b2o32b2o75b2o$152b2o5b2o35b2o 3bo$196bobo3bo29bo94bobo$197bo3b2o29b3o32b2o59b2o$114bo54b2o52bo11bo 26b2o2b2obo5b2o51bo$113b2o40bobo10bobo6b2o44b3o8b2o14bo11b2o3bobo5b2o 54bo$113bobo54bo6b2o20b2ob2o22bo15b2o5bobo17bo62b2o$152b3o3b3o38bo4b2o 19b2o14bo2bo5bo20bo59b2o$151bo9bo35b2o45bo$151b3o5b3o35b2obo4bo35b3o 27bo62bobo$152bo7bo21b2o13b2obo2b2o64bo65b2o$182b2o16bo2bo58b2o3bobo5b 2o58bo$178b2o82b2o2b2obo5b2o61bo$152b2o5b2o17b2o87b2o70b2o$117b3o32b2o 5b2o62b4o18b2o91b2o$109b2o5bo2bo2b2o103bo17bobo$109b2o4b2ob2o2b2o60b2o 27b2o8bo4bo18bo93bobo$115bobo66b2o14b2o11b2o9b2obo10b2o7b2o93b2o$201bo 24bo11bo103bo$198b3o38b3o103bo$198bo42bo104b2o$115bobo227b2o$109b2o4b 2ob2o2b2o52b2o$109b2o5bo2bo2b2o52bobo169bobo$117b3o56bo172b2o$349bo$ 212bo139bo$211bo141b2o$211b3o138b2o12$193b3o$193bo$194bo3$195bo$194b3o $186b2o4b2o3bob2o$186b2o4bo2b2o2b2o$192bob2o4$192bob2o$186b2o4bo2b2o2b 2o$186b2o4b2o3bob2o$194b3o$195bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 28 HEIGHT 800 WIDTH 800 LOOP 70 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 2 ]]
An example usage of the glider injection
gate in a period-14 glider gun
that also uses the 34P14 shuttle.
(click above to open LifeViewer)
RLE: here Plaintext: here

Image gallery

P14 Pseudo 01.gif

External links