p13-assisted period-52 glider gun

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p13-assisted period-52 glider gun
x = 126, y = 97, rule = B3/S23 64bo$62b3o$61bo$61b2o4$47bo3bo6bo$43bo2b2ob3o4b2ob2o$42bobo3bobo5b2o$ 43bo3b3o5b2o24b2o$39bo16b2o15bo7bo9bo$38bobo2bo2b2o25b3o3bobo7b3o$37bo 2b7o29bob3o7bo$38b2o5b2o28bob2o9b2o$40bo34bo2bo$40bobo41bo$41bo41bobo$ 38b3o35bo2bo2bo2bo$38bo27b3o8b2o4b2o$66bo$57b2o8bo$44bo11bobo$42b2o6b 2o4bo$43b2o3bo2bo2b2ob4o27b2o$48b2obobobobo2bo27bobo$51bobobobo19bobo 8bo$51bobob2o20b2o31b2o$52bo25bo31bo$108bobo$65b2o2b2o4b2o29b2obo$56b 2o7bo3b2o3bo2bo25b6o$56b2o5bobo3b2o4bobo25b3o$63b2o3b2o6bo32b2o$68b2o 15b2o22bo$31bo35bobo10b2o4bo17bo5b3o$29b2o37bo2b2o7bo5bob2o22bo$30b2o 15bo17b3o3bobo7b3o3bo4bo7b2o$46bo11b3o4bo7bo9bo4bo4bo7bo$46b3o9bo14b2o 12b3o3bo8b3o$53b2o4bo26b2o4bo10bo$54bo32bo23b2o$9bo41b3o30b3o21b2o2bo$ 9b3o39bo32bo7bo15bob2o$12bo78bobo16bo$11b2o65b2o10bo2bo16bo$78bo12b2o 2b3o13b2o$80bo14bo12b3o2bo$3b2o13bo41b2o14b5o15bo10bo3bo2bo$3bo12b2o 43bo13bo11b2o18bob2ob2o$2obo13b2o15bo22bo3bobo12b3o7bobo19bobo$o2b3o4b 2o21bo21b3o4b2o3b2o10bo6bo22b3o4bo$b2o3bo3b2o21b3o10bob2o4bo11bob2o6b 4o5b2o24b2o2bobo$3b4o39b2o2bobo2b5o6bo3bo5bo3b2o7bo22bobo2bo$3bo15b2o 18b2o8b2ob3o2bo2bo6b3o7b3o2bo6b3o20bo$4b3o12bobo18bo5b3o6b2o2b2o7bo10b ob2o4b2o3bo19bo4bo$7bo13bo18bobo2bo3bobobo25bo6bo3b2obo18bo4b3o$2b5o 14b2o15b2obobo2b2obo3bo24b2o5bo2b2obobo20b3o$2bo34bobobob2obo2bobob2o 31b2obobob2o22bo$4bo32bo3bo4bobo2bob2o32bo3bo4bo11b3o6bo$3b2o12bo16b2o bo3bob4obob3o17b2o15bo3bob4o11bo8b2o$18b2o14bo2bob2obo4bobo20bo14bobob o2bo16bo$17b2o16b2obobo3b2obo23b3o11b2obob3ob2obo$38bo4b2ob2o8b3o14bo 14bobo2b2ob2o$38b2o18bo29b2o28bo$27b2o28bo6bo42bo9bobo$27b2o35b3o38b3o 9bo2bo$28b3o36bo36bo13b2o$22bo5bo37b2o36b2o$22bo6bo2b2o44b3o30bo$30bo 9bobo37bo9b3o18b2o9b2o$29b2o8bo2bo36b2o9bo4bo14bobo9bobo$28b3o9bo2bob 2o44bo3b2o27bo$17bo2bob2o19bo2bo49b2o26b2o$17b4obo21b2o16bo30bo2bo$22b obo19b2o17b2o11bo17b2o$19b2o2b2o39b2o10b2o29b3o2b2o$19bo34bo11bo8bo2bo 31b4o$20bo20b2o11b2o5b5o10bob2o11b2o14bo2bo$19b2o21bo21bo11b3o13bo15b 2o$39b3o35bo11b3o8b2o$39bo49bo11bo$63b2o33b3o$63bo4b2ob2o25bo$60b2obob 2o2b2obo$59bo2bob2obo4bobo$59b2obo3bob4obobo2bo$62bo3bo4bobob2obo$62bo bobob2obo2bobobo9bo$63b2obobo2b2obobobo10b2o$65bobo2bo3b5obo7b2o$65bo 5b3o6bo3b2o$64b2o8b2ob3o2bo2bo$71b2o2bobo2b5o$71bob2o4bo$80b3o$82bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ MAXGRIDSIZE 9 HEIGHT 680 WIDTH 800 POPUPHEIGHT 680 POPUPWIDTH 800 THUMBSIZE 3 ZOOM 6 GPS 40 LOOP 52 ]]
Pattern type Gun
Number of cells 898
Bounding box 126 × 97
Period 52
Barrels 1
Discovered by Chris Cain
Matthias Merzenich
Entity Valkyrie
Dave Greene
Year of discovery 2018
This article is about a smaller true period-52 glider gun, constructed in November 2018. For other uses, see p52 gun (disambiguation).

p13-assisted period-52 glider gun is a period 52 glider gun discovered by Chris Cain on November 18, 2018, based on observations by Entity Valkyrie and Matthias Merzenich.[1] By using period-52 oscillators (consisting of a welded 53P13 and p4) to liberate gliders from the middle of the Herschel track, it has a vastly reduced bounding box compared with the original period-52 glider gun, and its population is almost eight times smaller. Its mechanism is shown below in an uninterrupted 394 × 394 Herschel loop:

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17bo9b3o15bo4bo16b2o11bo14b2o3b2o15b3o25bob2ob2o10b2obo$6bo2bo4bobo43b 2o16bo30bo2bo16bo30bob2o45b2obobo27bo15bo3b4o25bobo17bobo2bo14b2o8bo3b o15bo2bob2o8bo2bo2b3o$5bobobo5bo43bo2bo49b2o47bob2o44bo2bob2o46b2ob2o 25bo18b3o2b2o24bo2bo14b2obo3b2o11bo3bo$6bo2bob2o43bo2bob2o44bo3b2o48bo bo49b2o44bo5bo28b3o14bobob2o26bo16b2obobobo13b3o$9bo2bo8b3o19bobo9bo2b o36b2o9bo4bo33b2o9bo4b2o32b2o9bo3b4o30b3o13bo2b2o50bo29bob2o15b3o16bob o$10bo4bo28b2o10bobo37bo9b3o35bo2bo8bobo35bo2bo7bo37bo3bo7bo5bo35b2o6b o43bo15bo18b2o$11b5o4bo3bo20bo48b3o47b3o9b2o35b2ob2o7b3o39bo7bobo35bo 4bo5bo44bo4bo16b2o$20bo3bo7b2o48b2o48b2o11b2o35b2o11bo36b2o9b2ob2o7b2o 25b2o14bo5b3o25b2o13b3o4bobo13bo2bo2b2o$13bo19bo49bo49bo49bo49bo11bo 37bo10bo2bo35bo20b2o14bobo4bo2bo$12bobo5bo3bo5b3o47b3o47b3o47b3o47b3o 47b3o12bo34b3o38bo5bobobo$13bo5bob3obo4bo49bo49bo49bo49bo49bo49bo24bo 18b2obo2bo$19bo5bo28b2o48b2o48b2o3bo44b2o3bo44b2o3bo44b3o47bo19bo2bo$ 18b2obobob2o27bo4b2obo41bobo2b2obo41bobobobobo41bobobobobo41bobobobobo 41bob3obobo41bo5bobo8bo4bo$17bo2b2ob2o2bo23b2obobo3b2obo37b2obob3ob2ob o37b2obobobob2obo37b2obobobob2obo37b2obobo3b2obo37b2obobobob2obo37b2ob obobob2obo7b5o$17b2o7b2o23bobob2obo4bo6b2o29bobobo2bo4bo6b2o29bobobo2b o4bo6b2o29bobob2obo4bo6b2o29bobo2b2obo3bo6b2o29bobobo2bo4bo6b2o29bobob 2obo4bo$53bo3bob4o7bo32bo3bob4o7bo32bo2b3ob3o7bo32bo3b3ob2o7bo32bobobo 3b2o7bo32bo3bob4o7bo32bo3bob4o10bo$53bo3bo4bobo6b3o29bo3bo4bobo6b3o29b o3bo4bobo6b3o29bo2b2o4bobo6b3o29bobobobo2bobo6b3o29bobobobo2bobo6b3o 29bo3bo4bobo7bobo$52b2obobob2o2b2o8bo28b2obobob2o2b2o8bo28b2obobob2o2b 2o8bo28b2obo3b2o2b2o8bo28b2obobob2o2b2o8bo28b2obobob2o2b2o8bo28b2obobo b2o2b2o8bo$51bo2b2obobo41bo2b2obobo41bo2b2obobo41bo2b2obobo41bo2b2obob o41bo2b2obobo41bo2b2obobo$52bo3b2obo42bo3b2obo42bo3b2obo42bo3b2obo42bo 3b2obo42bo3b2obo42bo3b2obo$53b2o3bo44b2o3bo44b2o3bo44b2o3bo44b2o3bo44b 2o3bo44b2o3bo$55b3o47b3o47b3o47b3o47b3o47b3o47b3o$55bo49bo49bo49bo49bo 49bo49bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ MAXGRIDSIZE 9 WIDTH 840 HEIGHT 840 THUMBSIZE 2 ZOOM 2 GPS 26 AUTOSTART OFF LOOP 52 ]]
a 394 × 394 period-52 emu
(click above to open LifeViewer)
RLE: here Plaintext: here

Further reductions were found by Dave Greene, Adam P. Goucher, Dongook Lee, and Matthias Merzenich shortly after.[2] In November 2021, additional reductions using a new glider loop design were found by cvojan, Tanner Jacobi, and iNoMed, leading to a 93 × 87 glider gun.[3]

x = 93, y = 87, rule = B3/S23 29b2o3b2o$28bo2bobobo11bo$3bo24bob2obo11b3o$2bobo3b2ob2o12b2obo2bob2o 9bo$3b2o2bobobobo11b2ob2o14b2o$5b3obobo2bo$b4o7bobo$bo2bo2b2obobob2o 14b2o17bo2b2o$3bob2obobobo2bo14b2o16bobo2bo$2b2obo2bo4b2o34b2obo$bo6b 2ob2o20bobo15bo$2b2o6bobo20b2o4b2o8b2o$5bobob3o22bo3bobo8bo$4b2obo31bo 4b2o5bo$4b4o2b2o31b2o5b2o$3bo2bo4bo33bo$3bo2bo3bo3b2o$3bo3bo2bobo2bo 20b2o2b2o$7b2obob2o22bo2b4o$2o2b5obobo24b6o$o4bo4bo3bob2o16b3o6b2o$b3o bobobob4obo17bo2bo6bo$2bo5bo2bo4bo18b2o8b2o$2bo3bob2o3b3o4bobo21bo$2b 2o2bo4bobo6b2o$4b2ob5o9bo19bo2bo2bo$b3o8bo26b3o2bob2o9b2o$b3o3bo3b2o 25bo3b2o12b2o$2bob2o30bo2b3ob6o9bo$5bo30b3o10bo$o32bo5b2o2b2ob3o$obo 30b6o2bo2bobo$b2o36bob2o$35b4obo$34bobobobo$6b2o27bobo2b2o$6bobo27bobo bo2bo42b2o$8bo26bobo2bob2o42bo$6b2o29bo2bo42b2obo$6bo27b3o2b2o29b2o8bo 4bo$69b2o8bo4bo$31bo5b4o30bo7bo3b3o$6b2o23b3o7bo6b2o30bo4b2o$7bo26bo3b o2bo6bo36bo$7bo25bo4b2ob2o2b2obo18bo18b3o$8b3o22bo2bo3bo3bo2bo17b3o12b o7bo$5b3o4bo7bo9b2obobo4bob2obo10bob2o4bo14bobo$7bo4bo8bo9bobo2bo4bo3b 2o9b2o2bobo2b5o9bo2bo$12bo6b3o8bo2bo2bobo2bobobo3b2o8b2ob3o2bo2bo9b2o$ 7bo2bobo17bobo3bo2bo5bo4bo5b3o6b2o2b2o$7bobo2b2o15b2ob2obo4bob2ob2o3bo bo2bo3bobobo9b3o$8bo4b3o15bo2b2o4b2o2bo3b2obobo2b2obo3bo11bo8b2o$14bob o14bo2b2o4b2o2bob2obobob2obo2bobob2o9bo9bobo$11b2ob2obo14b2o2b4o2b2obo bo3bo4bobo2bob2o21bo$10bo2bo3bo16bo2b2o2bo3bobo3bob4obob3o23b2o$11bobo 3b2o15bob4obo3bobobo2bo4bobo$12bo22bo4bo5bobob3ob2obo$48bobo2b2ob2o$ 48b2o$33bo$34bo26b3o9b2o$32b3o12bob2o10bo2bo9bo14b2o$39b2o6b4o9b2o2bo 9bobo12b2o$39b2o6bo3bo8bo2b2o10b2o$48b3o9b3o24b4o$27b2o19b3o10b2o16b2o 5bo3bo$26bobo19bo30bob2o4bo$26bo55bo2bobo$25b2o53bobo2b2o$64b2o9bobo2b 2o7b2o$63bo2bo8b2o13bo$31bo2bo29b2o10bo13bobo$31b4o16b2o11bo26b2o$52bo $31b2o16b3o$31b2o16bo$73b2o$73bobob3o$70b2obobobob3o$69bo2bobo7bo$69b 2obo2b2ob4obo$72bo3bo4bobo8bo$72bobobob2obob2o5bobo$73b2obobo2bo9b2o$ 75bobo2b2o$75bo$74b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ MAXGRIDSIZE 9 WIDTH 840 HEIGHT 840 THUMBSIZE 2 ZOOM 8 GPS 26 AUTOSTART OFF LOOP 52 ]]
93 × 87 p52 glider gun
(click above to open LifeViewer)
RLE: here Plaintext: here

References

  1. Chris Cain (November 18, 2018). Re: Gun Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. Matthias Merzenich (November 19, 2018). Re: Gun Discussion Thread (discussion thread) at the ConwayLife.com forums
  3. cvojan (November 26, 2021). Re: Execution of Old Guns by Variable-Speed Firing Squad (discussion thread) at the ConwayLife.com forums

See also