Gun Discussion Thread

[Entity Valkyrie]

87P26 can eat the FNG of a p52 herschel track:

Code: Select all

x = 664, y = 49, rule = LifeHistory
5.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A$5.A
49.A49.A49.A49.A49.A49.A49.A49.A49.A49.A49.A49.A$2A5.A5.A36.2A5.A5.A
36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.
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33.2AB2.B7.4B33.2AB2.A7.4B$5.B10.B2A2B9.A24.B10.BABAB9.A24.A10.B2A2B
9.A24.B10.5B9.A24.B10.5B9.A24.B10.5B9.A24.B10.5B9.A24.B10.5B9.A24.B
10.5B9.A24.A10.5B9.A24.B10.5B9.A24.B10.5B9.A24.B10.5B9.A$4.2B10.2BABA
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3B5A10B2.8B11.A10.2B2A3BA8B$3.5B3.B.10B9.2A3.B5.11B2A17B9.2A3.B5.30B
9.2A3.B5.30B9.2A3.B5.30B9.2A3.B5.2B2A26B9.2A3.B5.2BA27B9.2A3.B5.2AB2A
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2A3.B5.4B2AB2A21B9.2A3.B5.4BA4BA20B9.2A3.B5.3B3ABAB2A6B.2B$4.4B5.9B
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15B.2B2.6BA5BA6B11.11B3AB.2B2.8BABAB2A5B11.10BA4B.2B2.7B2ABABABA4B11.
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11.15B.BA2.6B$6.17B8.5BA4B2A4BA8.2B2ABA11B8.13B2A2B8.BA4BA10B8.17B8.
3BA2BA10B8.17B8.6B2A9B8.17B8.5BAB2A8B8.17B8.3BA2BAB2A7B8.17B8.6B2AB2A
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2B2A10B12.3A6B2A9B4ABA2BA9B$9.8B.4B5ABA9B.3B3AB13.8B.3B3A4B2A8B.2BA2B
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11.A10.11BA6B2.3B3A2B11.A10.9BA2BA5B2.6BAB11.A10.8BABA7B2.2BA3B2A11.A
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10.18B2.5BA2B11.A10.12B2AB2AB2.3BABA2B11.A10.12B2A2B2A2.5BA2B$5.3A12.
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6.2AB34.A.ABABA6.3B34.A.ABABA6.3B$26.2A.A.A2B.3A5.4B29.2A.A.ABA.3A5.
4B29.2A.A.ABA.3A5.4B29.2A.A.2AB.3A5.4B29.2A.A.ABA.3A5.4B29.2A.A.ABA.
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A2B.3A5.4B29.2A.A.3A.3A5.4B29.2A.A.ABA.3A5.4B29.2A.A.ABA.3A5.4B$26.A.
A.B2ABA3.A.A4.2A29.A.A.A2BAB3.A.A4.2A29.A.A.2ABAB3.A.A4.2A29.A.A.2ABA
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A.B2.A8.3A29.A.B2A.B2.A8.3A$26.3A.A.A.2A.A10.A27.3A.A.A.2A.A10.A27.3A
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10.A27.3A.A.A.2A.A10.A27.3A.A.A.2A.A10.A27.3A.A.B.2A.A10.A$25.A3.2A.A
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A3.2A.A.A2.2A36.A3.2A.A.A2.2A36.A3.2A.A.A2.2A36.A3.2A.A.A2.2A$26.2A3.
2AB2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB
2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB2.A39.2A3.BAB2.A
39.2A3.BAB2.A39.2A3.BAB2.A$27.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.
2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.
3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.2AB2A.2B2A.3A36.
2AB2A.2B2A.3A36.2AB2A.2B2A.3A$27.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.
A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A
35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.
A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A35.A.BA.2A.A.A.A.A$26.2A3.A.A
2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A
2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A
2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A2.2A3.A34.2A3.A.A
2.2A3.A$25.A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.A
2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.
A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A34.A2.4A.A4.3A$25.2A5.A5.A36.
2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A
5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A36.2A5.A5.A$30.A49.
A49.A49.A49.A49.A49.A49.A49.A49.A49.A49.A49.A$30.2A48.2A48.2A48.2A48.
2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A48.2A!
#C [[ AUTOSTART ZOOM 12  LOOP 52 ]]

This lead (Pb) to the reduction of the p52:

Code: Select all

x = 308, y = 298, rule = B3/S23
160b2o42b2o$82b2o77bo34bo7bo9bo$81bobo77bob2o31b3o3bobo7b3o$75b2o4bo
68bo11bobo34bo2b2o7bo$73bo2bo2b2ob4o64b3o11bob2o13b2o15bo12b2o$73b2obo
bobobo2bo67bo9b2obo2bo3bo7bo9bo7b2o$76bobobobo69b2o14b2o3b3o3bobo7b3o
8bo6bo$76bobob2o94bo2b2o7bo17bobo$77bo2b2o93bobo10b2o10b2o3bo2bo$80b3o
61b2o2bo17b2o8b2o22b2o4bo$90b2o52bo2bobo16b2o8b2o6bo21bo2bo$79bobobo6b
o54bob2o28b2o4bobo23bo$63bo15b2ob2o3b2obo55bo30b2o3bo2bo21bo$43b2ob2o
10b2o3b3o11b2o5b2o3bo57b2o5b2ob2o5bo12b2o4b2o23bo$44bobobo8bobo6bo8b2o
b4o2bo63bo5b2o3bo5b2o$42bo6bo7bo7b2o8b5o4bo61bo6bo3b2o5b2o101b2o$40b3o
b2o4bobo2bob2o17bob2o2bo4bo58b2o118bobo$39bo3bobo3b2ob4o11b3o10b3o177b
2o4bo$38bob2o6bo8b2o7bo3bo13b2o93bo78bo2bo2b2ob4o$38bobobobo4b7obo8bo
3bo89b2o16bo11bo7bo59b2obobobobo2bo$35b2obo3b7o6bobo6b2o4bo7b2o81bo16b
3o8b2o5b2o63bobobobo$36bobo2b2obo5b4o3b3o3bo4bo10bo74b7o28bobo5b2o62bo
bob2o$36bob2obo3b5obo2b3o3bo2bo3bobo6b3o74bob4o2b3o98bo$37bo3bo2b2o7bo
3b4o2bo4bo7bo11b3o65b2o2bo2bo$38b3o6bo6b2obo6b2o3bo3b2obob3o7bo63bobo
6b2o50b2o5b3o52b2o$41b2o2bob3o5bo2b3o5bo2bo3bobobobobo7bo33b2o27b2o59b
o6bo45b2o7bo$38b3o2bo6bo4bo5bo4bo8bo6bo41bo16bo10bo24bo33bobo7bo44b2o
5bobo$37bo2bobobob3obo5b5o6b3o5b2o3b3o41bobo14b2o5b2o2bobo23b2o30bobo
60b2o$37bo2bob2o6b2o6bo20bo45bobo12bobo5bo2bo2b2ob2o18b2o27b2ob2o$38b
3o3bobo2bo2bo26b2o46b2ob2o17bobob4obo47b2o51bo$41bob3o4b3o77b2o18bo2bo
2bo55b2o44bo$38b2obobo2b4o74b2o25b2obobo9bo45bo45b3o$38bobo3b2o4bo36b
2o36bo26bobobobo6bo19bo17bo9b3o$31bo15bo2bo37bo33b3o26bo2b2obobo5b3o
15b2o17b2o11bo$26bo3bobob2o3b8obob2o25bo10bob2o30bo7bo20b2o4bobo24b2o
16bobo58b2o5b3o$24b3o2bo2b2obo2bo3b2obo2bo2bo24b3o7b3o2bo37bobo25b2o
48b2o55bo5bo20b2o$23bo5bobo6b5ob3o2b2o24bo3bo5bo3b2o10b3o24bo2bo74bo2b
o16b2o13bo19b3o7bo19bo$23bo2b3obob2obo10bo28bob2o6b4o12bo27b2o3b2o71b
2o9b2o5bobo5b3o5b3o17bo27bobo$22b2obo2bo3bo2b2o7bo2bo23b2o3b2o10bo13bo
31bobo70bo10bobo4bo7bo10bo43bobo$25bo4b4o2bo9bo23bobo12b3o46bo55bo20b
2o7bo2b2ob4o4bo8b2o39b2o2bo$25b2o2b2o2bobobo3bo28bo13bo40b2o64b2o18bob
o5b2obobobo2bo54b2o2bo2bo$28bo3b2o4bobobo26b2o14b5o34bobo63b2o21bo6bob
obobo64bo$27b3o4bo2bo3b2o2b2o42bo34bo88b2o5bobob2o20bo43bo$24b2obo3b3o
11b2o40bo35b2o70b2o24bo23bo39bo5b3o$25bo2b2o3bobo51b2o64bo40bobo12bo
35b3o36b2o7bo$4b2o2b2ob2o12bo4b2o2b2o116bo19bo23bo11bobo23b2o47bo$4bo
2bobobobo12b3obo121b3o15b2o36bobo14b2o7bo18b2o28bobo$5b3obobo2bo13bobo
140b2o34b2ob3o11bo2bo4bobo11b2o5bobo28b2o$2b3o4b2obobo14bo183bo18b2o
12b2o7bo$bo4bobo3bob2o21bo30bo45b3o90b4ob2o10bo30b2o$o2bo4bo2b2o2bo19b
2o30bo46bo32b2o58bo2bobo10b2o64b2o$ob2o2bobobo2b2o21b2o29b3o45bo31bobo
59bo2bo12bo16bo46bobo$bo2b2ob2obobo35b3o96bo45b3o7bo6b2o29bobob2o44bo$
2b3o7bo35bo146bo8b2o35bobobobo43b2o$8b4o37bo144bo9bo33b2obobobobo2bo$
4bob2o214b2o14bo2bo2b2ob4o$8bob2o118bo51b2o17bo2bo8bo9bo16b2o4bo$6b2o
3bo118b3o7bo40bobo18b2o7b2o7b3o23bobo21bo$2b5ob3o3b2o117bo5bo19bo23bo
28b2o6bo26b2o21b2o$8bobobo2bo116b2o5b3o15b2o110bobo$4bo3bobob2o144b2o$
2obobo4bobo144b2o95b2o$o6b2obo3bob2o6bo30bo71b3o20b2o4b2o79b2o16bo$b5o
bobob4obo5b2o30bo72bo22b2o3bo2bo77b2o15bo$5bo5bo4bo6b2o29b3o71bo27bobo
79bo14b5o14b2o$b2o2bobob3ob3o45b3o93bo22b3o75bo13bo$4bobo4bobo47bo80b
2o5b3o30bo21bo9b2o39b3o12bobo$bo2bo4bobo50bo72b2o5bobo3bo12b2o18bo21b
2o9bo39bo15b2o$9bo2bo122b2o7bo4bo3bo7bo43bo6bobo39b4o$b2o4bo3b2o131bob
3o2b2obo7b3o4b2o31b3o7b2o38b2o3bo3b2o4bo$3b2obo138b2o7bo9bo3bobo32bo
23bo23bo2b3o4b2o3b2o$b4obo124bo22b2o14bo55bobo22b2obo11bobo$bo29bo98bo
bob2o90bobo25bo$obo28b3o96bobobobo83b2o3b2ob2o24b2o$b2o31bo92b2obobobo
bo2bo80b2o2bo4bo$11bo21b2o7bo84bo2bo2b2ob4o62b3o20b3o22b2o$9b2o30bo87b
2o4bo66b3o9b2o2b7o2b2o6bobobo3b2o4b2o11b2o$5b2o3b2o29b3o91bobo61bo5b2o
7bo2bo4bo2bo8bob3obobobo6bo11bo$4bo2bo14b2ob2o47b3o59b2o29b3o28bo2bo3b
2o9b2ob2o3bob5o3bo5bobo17b3o$5bobo14b2obo48bo94bo28bobo3b3o4bo6b3o2b2o
bo2b2o2b2ob2obobob4o13bo$6bo18bo49bo20b2o70bo29b2ob2o6b5o4b2o4bob3o2bo
2bobob2obobo2bo$25b3o4b2o62bo103b3o5b3ob2o5bob4obo2b5o6b3o51bo$23b2o3b
o3b2o60bobo17b2o40b2o37b2o4b2o6bo2b2o12bobo4bo3b2o3bo2bo34bo7b2o3bobo$
22bo2b4o64bobo18bo40bobo38bo13b3o7bo4b2obo7b2o3b2ob4ob2o28b2o8bo3bo2bo
$6b3o13b2obo15b2o46b2o2bo15b2o5bo5bo34bo35b3o15bo9bo3b2o3bob2o3bo6b2ob
2obo28bobo7bob2ob2o$23bo2b3o12bobo18b2o25b2o2bo2bo12bo2b4obo4b3o68bo
40bob3ob2o48bo3bo$7bobo8bo4bo5bo13bo17bobo7b3o22bo13b2o3bobo2b2o3bo
106b2o7bo49bo2bo3bo$6bo2bo6bobo5b5o8bo5b2o6bo9bo10bob2o13b2o4bo15bo2bo
b2obobobobo107bob5obobo50b2obobo$6b2obobo5b2o7bo11bo11bobo5b2obo13bo
13b2o5b3o12b2ob2o3b2ob3o98b2o2b2o3bo2bo4bobobo18b2o29bo3bo$6b3ob2obo
22b3o11bobo5b2obo2bobo3bo16b2ob2o6bo11b2o4bo3bo102b2o2b2o3b3o2bo2bo3bo
17b2o29b2o$49b2ob3o6bobob6o3bobo10b3o19bo3b2obobo2b2o112b2obob4o8bo2bo
8bo28b3o3bo$8bo46bo5bo2bo4bo3bo3bo9b2ob2o18b3obobob2obo32b3o42b2o10b2o
17b3o2bo2bo5b3o3b3o2b3o37bobob2o$7bobob3o35b2ob3o7bobo8bo3bo11b2o21bo
8bo34bo43bo28bo3bobob2ob4o3bobo3b2o3bo38b2o$8bo3b2o35b2obo8b2ob2o3bo
20bo21bo2bob2ob2ob2o30bo44bobo11b2o10bo2bo3b3o4bo2bo2b2ob4o2b3obo37bob
o$12bobobo51bobo3b3o33bobobo2bo4bobo76b2o12bo9b2obo6bobobo2bo5bo3b2o3b
obo38b2o$11b2ob2obo51b2o23b2o14b2obobobob3o21b2o42bo17bo7bobo5b4obo3bo
bobo3b2ob4ob4obo3b2obo34bo5b2o$10bo2bo3bo21bo54bobo16bobobobo22bobo41b
obo15b2o3bo9b3ob3obobo2bobo2bobobob2obo4bo3bobo34b2o$11bobo3b2o18b3o
56bo16b2o3bo25bo41bobo15bo13bo9b2obo5bob2o12b2o2bobo32bobo$12bo23bo40b
o11bo6b2o34bo52b2ob2o3b2o8b2ob3o9b9obo2bob2o3bo15bobob2o$31bo4b2o38b3o
10b3o38b3o52bo4bo2b2o9bo21bobobo2bo5b2o3bo4b2o3bobo43bo$29bobo10b2o6bo
11bo2bo13bo12bo18bobo15bo57b3o15bo3bo10bo3bobobob2obo2b3o2bobobo3bo2bo
bobo7bo34bobo$30b2o9bobo7bo2b2o5b2o3bo8b3ob2o10b2o11b2o9bobo11b2o39b2o
3bobobo6b2o2b7o2b2o4bo2bo10bobob4obo4bobo4bob2obo5b3o2bobo4bobo10b2o
21bo2bo$43bo5b3o2b2o6bo3bo7bo3b2o24b2o11bo52bobobob3obo8bo5bobo2bo5b3o
10b3ob2o3bo3b2obob2obo4bob4o5bob3o2bo2bo8b2o23b2o$62bo3bo8bo35bo3bobo
54bobo5bo4bob2obo3bo2b2o20b2o5b2obo5bobobobob2obo4b5obo3bob2obo2bo7bo$
62bo2bo9bobo16b3o14bob2o26b3o24b4obobob2ob2o2b2o2bobo4bo24bob2ob2ob3o
4bo2bo2bo4bo3bo4bo2b3o2bo2bobobo$63bo30bob2o33bo11bo24bo2bo3b2obo6bo2b
obo4bo24bob3obo4bo3bo5b2o3b4ob2o2bob2o3bo2b2o2bo34b2o$26b2o17bob2o46bo
b2o32b2o9bo26bo3b2o5bobob2o2b2o3bobo6b2o17b2o3bo5b2obob2o3bo5bob2ob3o
3b2o3bobo24b2o11bobo$25bobo5b2o8b3obo47bobo32bo3bo37bo3b2o3bobo6bob3o
7b2o16b4o2bobo2b2obo4bo2bo3bobobobo2b4o2b5o24bobo13bo$25bo7b2o7bo4bobo
29b2o9bo4b2o33bo3bo29b2ob3o2bo4bo4bob3o2b5o30b2o2bo2b4o4bo3b2o2b2o3b3o
3bo2bo30bo13b2o$24b2o17b3ob2obo27bo2bo8bobo33b2obob2o31bob2o2b3o4bo3b
2ob2obobo34b5ob2o3bobobobo3bobo3bo3b3o5bo$45bo4bo27b3o9b2o34b2obo42b2o
b2ob2o2bo9bobo23bo11bob2o3bo3b2o2bob7obo6b2o$38bo6bob3o16b2o11b2o35b2o
11b2o42bo7b2o9bo2bo23b2o9bo4bobo5bob2o7bo$34b2obobo6b2o19bo49bo53bobob
5obo14bo21b2o9b2ob4ob2o3b2o4b3obo$33bobobobo13b3o8b3o7b2o14b3o21b3o8b
2o9b2o32bobobo4bo2bo3b3obo5bo34bo12b4o2bob2o$30bo2bobobobob2o12bo8bo9b
o17bo21bo11bo8bo2bo31bo3bo2bo2b3o3b6o2b3o34bobo10bo2bo41b2o$30b4ob2o2b
o2bo11bo21bo14bo16bo14b3o10b2o21bo2bo8b4obob2o9bo42b2o54b2o$34bo4b2o
34b2o32bo13bo33b3o2b3o3b3o5bo2bo2b3o18bobo8b2o74bo12b2o$32bobo39bo20b
2o10b3o46bo3b2o3bobo3b4ob2obobo3bobo3bo10bo2bo8bo88bo$32b2o40b2ob3o14b
obo2bo34b2o19bob3o2b4ob3o4bo2bo2bobobo7bo9bo2bo6bobo90bo$37bo33b2obobo
3bo13bobobob3o31b2o19bo4b2o4bo5bo3bobo7b3o12bo3bo6b2o64b2o5b2o14b5o$
35b5o14b2o15b2obo4b3o11b2obobo3bob3o49bo2b2o3bo2bob4obo5bobobob3obo2bo
8bobo72bobo6bo13bo$34bo5bo13bo19bo5b3o8bo4bo4bobo53bobo2bobo2bo7bob4ob
2obo4b2ob3o7bo75bo6bobo12b3o$34bo2b3o12bobo19bo6b2o3b2o6b3obo56bobo2b
2o12b2obobo3bobo5bo4bo90b2o15bo$33b2obo10bo4b2o18bobob3ob2o4b2o2bo2b2o
bo2b2o2b4o48b2obobo15bo3b2obo2bob9o34bo69b4o$33bo2b4o8b2o21bobobo3bob
2o13bo2bo3b2ob2o50bobo3b2o4bo3b2o5bo2bobobo14bo28b2o62b2o3bo3b2o$34b2o
3bo3bo2b3o20b3obo2b4o12b2o2b3o2bo2bo45bo7bobobo2bo3bobobo2b3o2bob2obob
o2bob2o7bo28b2o63b2o4b3o2bo$36b3o4bo2b2o20bo4b2obo5bo3b2o2bob2o6b2o6bo
36b2o2bobo4bobo2b3o5bob2obo4bobo4bo2b2o4bo5b2o86b2o13bob2o$36bo32b3o2b
o6bo4b2o4b2o2b5o5b2o37bo2bo2bo2b3obo5b4obo4bob2obobo4b2o2bo3bo6b3o86b
2o12bo$33b2obo34b2o3b4ob2o7bo3b2o6b2ob2o3bo10bo24bobob2obo3bob5o4bob4o
bobobobo5b2o3bobo2b2o3bo2b3o81bo13b2o$33b2ob2o39bobob2o6bobobo3b2o3b4o
b4o11bo22b2obo4b2obo2bo5bo2bo2bobobo2b2o4b2o7b2o7bob4o$80bo8bo4b3obo6b
o5b2o7b3o14bo10bo3b2o2b2obo2b2o2bob3obo6bobo2b2o3b2obo4b2o2b2o2bobo$
79bob4ob2obobob2o13b3o2bo21b3o10bo5b2o3b2o2bobo3b2obo4bo3bo2bo3b3o2bo
5bobob2o2b3o8bo76b2o$44b2o31bo2bobob2obo2bo5b6ob2ob3obob2o20bo9b2o3b5o
2b2obo2bo4b2obob2o2b3obo2b3o4bo2bo15bo8b3o44b2o28bo$45bo29b3obo7bo3bob
2obo8b2o3bo23b2o8bo8bo2bo3b2o3bo3b2o2b3ob2ob2o3b2o2b2o2bo15b2obo8bo42b
obo29b3o$42b3o29bo8bob2ob3o3b2o3b5o4b3o35bo2b2o6b3o3bo3bobo3b2o2bo3bo
2bobo2bo20b3o7b2o44bo31bo$42bo32bob2o4bobo2bo3bobo3bo3bo2b2o38b2o2b2o
8bob7obo7bobob2obo2bo23bo$58b3o13b2obo2b3o2bobo2b2o2b2o2bob2o2b7o31b2o
16bo7b2obobobobobo2bobo40bo18bo$58bo16bo2bobo2bobo2b3obo3bobobo4bo4bo
32bob2o8b2o4b6o4b2o3b2ob4ob2o38bobo18b2o$59bo14bo2b2o4bobo8b2obo3b2o3b
o2bo22bo10bobobo7bo11b4o12bo40bo2bo3bo2b3o7b2o22bo8bobo$75b2o2bo6b3ob
2obobobob2o5b2o23b3o7b3o3b3o3bobo7b4o4b2o8bobo41b2o4bobob2o2bo26b5o5bo
2bo5b2o$77bobo3b3o2bobo7bo2b2o2b3obo20bo3bo5bo3b3o3bo2b2o7bo3bobo2bo9b
2o48bo4bobobo24bo5bo4bo8bo$75b2o3b4o2bobobob2o5bobob3o4bo19bob2o6b4o2b
o2bobo10b2o3b2o4bo59b3o3bo25bo2b3o12bobo$74bo2b2o3bo2bo2bobo2bo4b2ob2o
6b2o15b2o3b2o10bo6b2o20b2o14bo33bo13bo6bo20b2obo6b2o4bo2b2o$74b2obo4bo
3b2obo3bo3bo3bob4o4b2o12bobo12b3o7b2o36bobo21b2o8b2o11b2o2bo2bobo19bo
2b3o2bo2bobo2bo$77bobobo7bobobo4b3o2b2ob4obo13bo13bo11b2o5b2o28b2o19bo
4bo6bobo15b4o2bo19b2o7b2o2bob2o$77b2o2bo7bobo9b3obo3bobo12b2o14b5o6b2o
4b2o50b3o2bo21bo2b2o2bobo6b2o13b4obo2b2o2b2o$81b2o7b2ob2o5bo4bob2o2b2o
31bo6b2o4bo54b5o24b2o2b2o4bobo13bo6b2ob4o$82bo9bo7bo2bo4bobo31bo68b3o
2bo16bo8bobo8bo10b2obo8b2o$81bo8b2o5b2obobobobobobo31b2o67b4obo17bo6bo
2bo19b2ob2o7bo$71b3o7b2o6bobob2o2bo2bo7bob2o95b2o5b2o16b3o7b2o13bo$71b
o17bobo7bobob2o2b2o45bo52b2o49b2o$72bo15b2obo2bo3b2obobobo2bob2o41bo
54bo48b2o16b2o9b2o10b2o$90bobo2bo3bobo4bobo2bo41b3o120bo8b2o11bo$90bob
2ob4o2bo2bobo2bo13bo41bo107b3o11bo12bo$88b2obob2o6b5ob2o13bo41b2o107bo
6b2o14b5o$89bobo4b5o6bo14b3o39bobo8bo33bo71bo13bo$89bobo2b2o5bobobobo
67bobo31b2o70bobo12b3o$90bo2bo2bo2b2ob2ob2o68b2o23b2o6bobo71b2o15bo$
91b2o2b2o3bo3bo96b2o25bo10b2o55b4o$100bobobo95bo28b2o7bobo38bo11b2o3bo
3b2o$101b3ob2o121b2o10bo5bo30b3o11b2o4b3o2bo$103bobo2bo138bo28bo22bob
2o$84b3o12b3o3bob2o55b2o4b2o73b3o22bo5b2o21bo$84bo13bo2bo3bo35bo21bo2b
o2bo2bo98b2o9b2o14b2o$85bo13bo5bo34bo15b2o12bobo97b2o11b2o$100b5o35b3o
12bobo13bo110bo$97b3o10bo38b2o4bo6bo2bo68b2o4b2o48b2o$97bo3b4o4bo37bo
2bo2b2ob4o2bob2o9b2o56bo2bo3b2o48bo$98b3o3bo4b3o35b2obobobobo2bo3bob3o
7bo20bo36bobo55b3o$101bo48bobobobo3b3o3bobo7b3o17b2o36bo31b2o25bo$100b
2o48bobob2o12bo9bo8b2o6bobo42b3o22bobo5b2o$151bo8b2obo4b2o18b2o39b2o
12bo21bo7b2o$160bob2o17bo5bo42bo7bo3bo21b2o$164b2o14bobo44b3o7bob2o2b
3o13bo$155b2o7bo15bobo44bo9bo7bo14bo17bo$97b3o55b2o5bobo11b2o3bo54b2o
20b3o13b2obobo$97bo4bo25bo33b2o12b2o95bobobobo$98bo3bo7b2o15bo142bo2bo
bobobob2o$110bobo14b3o25b2o39b2o72b4ob2o2bo2bo$100bo2b2o7bo41b2o40bo
77bo4b2o$104bo7b2o42bo31b3o3bobo75bobo$102bobo83b3o3b2o76b2o$99b2o86bo
3b2o$98bo5bo39bo7b2o33b2o3bo$98bobo3bo37b2o9bo27b2o5bo3bo$95b2obobobo
4bo35b2o5b3o27bobo5bo2bo16b2o$95bo2bo2b2ob4o42bo29bo6bo2bo10b2o4bo2bo
61bo$97b2o4bo75b2o6bo14bo4b2obo23b2o37bo$103bobo81bo13bo3bobo2b2o22bo
36b3o$104b2o9bo70b3o11bob4o3bo12bo12bo$114bo71b3o11bobo3bo2bo12b3o7b4o
$114b3o51b2o15bo2bo10b2o3bo2b2o16bo6bo$167b2o18bo10bo3bob2obo16b2o9b3o
$169bo13bo15b2o5b5o24bo2bo54b2o$182bob2o17b2obo4bo25b2o54bo$182bo16b3o
bo6bo2bo2b2o2bo6bo63bobo$131bo49b2o15bo2b2ob2ob2obob2o2bo2bobo4bobo62b
2o$115bo13b2o32b2o33b3o4bob2obo6bob2o4bo3bo$115b3o12b2o17bo2bo10bobo
26b3o6b4o2bo2bo7bo6bo3bo$118bo24b2obo2b4o12bo25bo2bo5bo3bobo2bo9b2o4bo
3bo56bo$117b2o25bob3o4b2o3b2ob4ob2o23bo3bo4b2o2bobo2bobo8bo5bobo56bob
2o$142bo7b2obo5bobo4bo23b2o2bo10bo4b2o6bo8bo57bo$102bo30b2o6bob7obo2b
2o3bo3b2obo25bo25b2o66b3o6bo$101bo7b2o22bo5b3o3bo3bobo3bobobobo3b2ob5o
20b2o46bo51b3o$101b3o5bo10bo14bo2bo3b3o3b2o2b2o3bo4b4o2bo2b2o8b2o10b3o
46b2o48bo$106b2obo9b3o9b5o2b4o2bobobobo3bo2bo4bob2o2bobo2b4o3b2o11b3o
31bo2bob2o7b2o44bo4b2o$106bo2b3o6b2ob2o4b2obobo3b2o3b3ob2obo5bo3b2obob
2o5bo3b2o6bo50bo52bo3b3o$107b2o3bo4b3ob3o4bob2o2bo3b2obo2b2ob4o3b2o5bo
3bo4bob3obo54b2o53bo4bo$109b4o5b2ob2o5bobo2bo2b3o2bo4bo3bo4bo2bo2bo4b
3ob2ob2obo48b6o2b3o51bo4bo$109bo9b3o3b2obobob2obo3bob5o4bob2obobobobo
5bob2o5b2o47b2o5bo2bo54b2obo$110b3o7bo4bobo2bo2bo2b3obo5b4obo4bob2obob
2o3bo3b2ob3o37b3o6b2o7b2o39bo18bo$113bo13bobobobo4bobo2b3o5bob2obo4bob
o4bob4obobo39bo6bo47b2o19b2o$108b5o14bobo2bo7bobobo2bo3bobobo2b3o2bob
2obobobo3bo39bo56b2o$108bo19b2o10bobo3b2o4bo3b2o5bo2bobobo49b2o2b3o$
110bo26b2obobo15bo3b2obo2bob9o6bobo32bo2bob2o2b2o$89bo19b2o26bobo2b2o
12b2obo5bob2o9bo4bo4bo32bobo4bobo$88bo50bobo3bo4bob2obobobo2bobo2bobob
3ob3o5bo4bo33bo2bo2b2o24bo$88b3o47bob2o3bob4ob4ob2o3bobobo3bob4o11b2o
34b2obobo26b2o$72b2o63bobo3b2o3bo5bo2bobobo6bob2o22b2o28bobobobo23b2o$
72bobo62bob3o2b4ob2o2bo2bo4b3o3bo2bo12b2o2b2o5bobo26bo2b2obobo$75bo2b
2o58bo3b2o3bobo3b4ob2obobo3bo15b2o2b2o7bo26b2o4bobo$73b2obo2bo32b2o15b
o9b3o2b3o3b3o5bo2bo2b3o12bo4bob3o7b2o31b2o$72bobob2o12b2o20bobo15b2o9b
o2bo8b4obob2o16b3o6bo$73bo16bobo21bo4b2o8b2o21bo3bo2bo2b3o3b2o2b2o4b4o
4bo15b3o56bo$66b2o25bo16b4ob2o2bo2bo29bobobo4bo2bo3b2o2b2o6bobo21bo54b
2o$67bo20b5obob2o12bo2bobobobob2o30bobob5obo17bo21bo56b2o$67bobo17b4o
3b2obo15bobobobo35bo7b2o$68b2o5b2o9bo5bo21b2obobo35b2ob3obo$74bobo7bob
o3bo3b3o21bo27bob2ob2o6bo3b2obo3b2o3bo$74b2obo5bo6bo5bo49b2ob4ob2o3b2o
7bob2o4bo90bo$83bo9b3o8b2o45bo2bo3b2o3bo4bobo13b2o82b2o$78bo4bo7bo4b3o
6bo48b3o6b5o2bob4obo6b2o2b3o76b2o$77bo5bo2bo4b2o2bo2bo6bobo42bo2bobob
2obobo2bo2b3obo4b2o8bo3bo$77bo6bo11b2o8b2o6bo35b4obobob2ob2o2b2o2bob2o
2b3o8b2o2bo12bo$63bo18bobobo26bobo26bo11bobo5bo3b5obo3b2ob2o9b2o10bobo
$63b3o16b2obobo24b2ob2o26b2o7bobobob3obo8bo2bo4bo2bo17b3o3b3o$66bo18bo
bo25bo2bo25b2o8b2o3bobobo6b2o2b7o2b2o5b2o12bobo2b3o38bo$65bo2bo16b2o
27b2o53b3o16bobo13bo4bo36b2o$65b4o98bo4bo2b2o11bo19b3o36b2o$79bo87b2ob
2o3b2o31b2o$67b2o3b2o3bobo36b2o50bobo15b2o12b2o2b3o$67bo4b2o4b2o36bo
51bobo15b2o12bobobo$69bo47b3o49bo16b2o13bo3b2o73bo$68b2o49bo9bo53b2o
19b2o75b2o$127bobo52bobo19b3o73b2o$96bo6b2o23b2o52bo19bo$94b3o5bobo76b
2o19b3obo$93bo10bo50bo49bo3b2o$93b2o61b2o44b2o3bo2bo$155b2o35b3o7bob6o
25bo$192bo2bo37b2o$191bo3bo10b2o26b2o$92bo98bobob2o9b2o$90bobo99b2ob2o
$91b2o100b3o$83b2o5b2o83bo28bo88bo$82bobo5b2o50bo30b3o27bobo88b2o$82bo
7b2o48bobo29bo7b2o21bobo87b2o$81b2o58b2o29b2o7b2o19b2ob3o$180bo27bo$
95bo72bo16b2o15b2ob3o$91b2obobo72b2o13bo2bo14b2obo$90bobobobo71b2o14bo
bo2bo6b2o24bo$87bo2bobobobob2o83b2ob4o5b2o23b2o$87b4ob2o2bo2bo83bo13bo
23b2o$91bo4b2o64b2o20b3ob2o17bo$89bobo69bobo5b2o15bobo18b3o$89b2o70bo
7b2o15bobo21bo$160b2o25bo21b2o$155bo35bo18b3o$153bobo18bo16b2o18b3o$
154b2o14b2obobo14bobo17b5o$169bobobobo33b2o3b2o$166bo2bobobobob2o29b3o
3b3o$166b4ob2o2bo2bo30b2o3b2o$170bo4b2o33b5o4b2o$168bobo40b3o5bobo$
168b2o42bo8bo$221b2o$192bo$157bo32b3o15bo$157b3o29bo17bobob2o$144b2o7b
2o5bo7bo9bo11bo16bobobobo$142b3obo6bo3b2obo5bobo9b2o8b3o13b2obobobobo
2bo$141bo4bo8bo2bob2o5b2o8bobo7bo3b2o11bo2bo2b2ob4o$140bo2b3ob2o5b3obo
4b2o18b2obo3bo2bo12b2o4bo$140b3o2bo3bob2o5bob3obo18b2o2bo2bobo19bobo$
143b2obo2bobob5o26bo6bo21b2o$140b4o5bo8b2obo20b4obo$140bo3b4obobob2ob
2o3bobo17bo2b3obo$141b2obo2b4o5b3o6bo7b2o3b2o7bo$142bo3b2o4b2o7bo3bo6b
o2bo4bobobo$140bobo3b4obobo3b4obo9bobo8bo$140b2ob2o3b2o2b2ob2obob2o3b
2o6bo$143bob2obo3b2o4bo2bo2bo$143bo2bobo9bo2bob2o3b2o$144bo2bo8bobo2bo
bo2bo2bo$145b2o9b2o9b2o!

[Sokwe]

87P26 can eat the FNG of a p52 herschel track

87P26 is just based on a p13 oscillator found by Bullet51. If we use that instead, then it's easy to get the track to release as many gliders as we want:

Code: Select all

x = 261, y = 59, rule = B3/S23
44b2o48b2o48b2o48b2o48b2o$45bo49bo49bo49bo49bo$44bo3bo45bo3bo45bo3bo
45bo3bo45bo3bo$40b2obob4o41b2obob4o41b2obob4o41b2obob4o41b2obob4o$39bo
bobobo43bobobobo43bobobobo43bobobobo43bobobobo$39bo3b2obo42bo3b2obo42b
o3b2obo42bo3b2obo42bo3b2obo$37b2obo4bobo39b2obo4bobo39b2obo4bobo39b2ob
o4bobo39b2obo4bobo$38bobob2obobo40bobob3o2bo40bobob2obobo40bobob3o2bo
40bobob2obobo$38bobobo4b2o39bobo3bo2b2o39bobobo4b2o39bobo3bo2b2o39bobo
bo4b2o$29bo7b2obob2obo33bo7b2ob2ob2o34bo7b2obob2obo33bo7b2ob2ob2o34bo
7b2obob2obo$29b3o8bob2o35b3o8bo4bo33b3o8bob2o35b3o8bo4bo33b3o8bob2o$
27b2o3bo4b2o2bo4bo30b2o3bo4b2o2bo3bo31b2o3bo4b2o2bo4bo30b2o3bo4b2o2bo
3bo31b2o3bo4b2o2bo4bo$26bo3b2obo3bob2o3bobo29bo3b2obo3bob2o3b2o30bo3b
2obo3bob2o3bobo29bo3b2obo3bob2o3b2o30bo3b2obo3bob2o3bobo$25bo2b2obobo
5bo3b3o29bo2b2obobo5bo3bo31bo2b2obobo5bo3b3o29bo2b2obobo5bo3bo31bo2b2o
bobo5bo3b3o$26b2obobob2o2bobobob2o31b2obobob2o2bobo36b2obobob2o2bobobo
b2o31b2obobob2o2bobo36b2obobob2o2bobobob2o$27bobobobo2bobo2bob2o32bobo
bobo2bobob4o33bo3bo4bobo2bob2o32bo3bo4bobob4o6b2o25bo3bo4bobo2bob2o5b
3o$27bobobo3b2obob3o34bo3bob4obo3b2o5b2o26bo3bob4obob3o6b3o25bo3bob4ob
o3b2o5bobo25bo2b2ob4obob3o9bo$25bobo2b2obo3bobo8b3o24bobobo2bo4bobo8bo
bo24bobob2obo4bobo11bo23bobob2obo4bobo11bo23bobobo7bobo11bo$25b2obobo
3b2obo12bo24b2obobobob2obo2bo9bo24b2obobobob2obo12bo24b2obob2o2b2obo2b
o34b2obobobob2obo$28bobobobob2o11bo28bob3obob2o40bo5bob2o40bo4b2ob2o
40bobob3ob2o$28b2o3bo44b3o47bo49b2o48b2o$4bo49bo49bo24bo24bo49bo$4b3o
47b3o12bo34b3o47b3o21b2o24b3o$7bo11bo37bo10bo2bo35bo20b2o27bo14b2o33bo
14b2o$6b2o9b2ob2o7b2o25b2o14bo5b3o25b2o13b3o4bobo25b2o14bobo2bo28b2o
13b2ob2o$21bo7bobo35bo4bo5bo44bo4bo45bo3bo10bo32bo2bo$17bo3bo7bo5bo35b
2o6bo43bo15bo32b3o14bo32bo2bo15bo17bo$18b3o13bo2b2o50bo29bob2o15b3o50b
o31b2o17bo15bobo$33bo5bo28b3o14bobob2o26bo16b2obobobo25bobo16bo3b3o43b
2o2bo2bo15bo$36b2ob2o25bo18b3o2b2o24bo2bo14b2obo3b2o24bobo16b2obo3bo
23bo20bo4bo$16bo15bo3b4o25bobo17bobo2bo14b2o8bo3bo15bo2bob2o25bo20b5o
24bo16bo3bo3b2o$5bo9b3o15bo4bo16b2o11bo14b2o3b2o15b3o25bob2ob2o14b2o2b
o25b2o3b3o12bob4o24bo2bo3bo$5bobo6bo19b3o17b2ob2o4bo3bo15b2ob3o15bob3o
8bobo16b4o13b3o2b2o7bo16bo19b2o4bo23b2o$5b3o5b2o2bo18bo7b2o8b2ob2o3bo
2bo2b2o16b2o6b2o9bob3o3bobo3bo11bo3b3o6b2o8b2o2b3o2bo21bo8b2o8bo3bob2o
32b2o$7bo5bo3bo2bo10b2o11b2o10b3o4b3ob2obo10b2o11b2o9b4o4bo3bo13bo12b
2o8b2o2b2o3bo4bo12b2o11b2o9b3obo21b2o11b2o$19b2o11bo49bo23b2o5bo4b2o
12bo36b2o11bo35bobo11bo$15bobo11b3o34b2o2bo8b3o36b2o9b3o36b2o9b3o37b2o
8b3o$15bob2o10bo39bo9bo24bo24bo49bo39bo9bo$3b2o3bo7b2o35b2o3bo7b3o34bo
bo12b2o33b2o48b2o$3bobobobob2o40bob2o2bob2o3b2o35bo3bobob2o40bo4b2ob2o
40bobo2b2ob2o$2obobobob2obo37b2obobobob2obo37b2obobobob2obo37b2obobo3b
2obo37b2obob3ob2obo$obob2o6bob3o33bobo3b2o4bobo35bobob2obo4bob3o33bobo
b2obo4bobo35bobobo2bo4bob3o$2bobo3bob2obob4o33bobobo2b3obobo2bo33bo3bo
b4obob4o33bo3bob4obobo2bo33bo3bob4obob4o$2bo2b2o4bobo5bo32bobobobo2bob
ob2obo33bo3bo4bobo5bo32bo3bo4bobob2obo33bo3bo4bobo5bo$b2obobob2o2bobo
36b2obobob2o2bobobobo32b2obobob2o2bobo36b2obobob2o2bobobobo32b2obobob
2o2bobo$o2b2obobo5bo2bo32bo2b2obobo5bo4bo30bo2b2obobo5bo2bo32bo2b2obob
o5bo4bo30bo2b2obobo5bo2bo$bo3b2obo3bob2o2b2obo7bobo19bo3b2obo3bob2o3b
2o9bo20bo3b2obo3bob2o2b2obo29bo3b2obo3bob2o3b2o30bo3b2obo3bob2o2b2obo$
2b2o3bo4b2o2b3obo9b2o20b2o3bo4b2o2bo3b2o9b2o19b2o3bo4b2o2b3obo9bobo19b
2o3bo4b2o2bo3b2o9bo20b2o3bo4b2o2b3obo$4b3o8bo2b2o10bo23b3o8bobo2bo9b2o
22b3o8bo2b2o11b2o21b3o8bobo2bo11b2o20b3o8bo2b2o11bobo$4bo7b2obo3bo34bo
7b2ob2ob3o33bo7b2obo3bo11bo22bo7b2ob2ob3o10b2o21bo7b2obo3bo12b2o$13bob
o6b2o39bobo4bob2o39bobo6b2o39bobo4bob2o39bobo6b2o8bo$13bobob3o2bo40bob
o2b3obo40bobob3o2bo40bobo2b3obo40bobob3o2bo$12b2ob3o2bobo39b2ob3o2bobo
39b2ob3o2bobo39b2ob3o2bobo39b2ob3o2bobo$14bo2b2o2bo42bo2b2o2bo42bo2b2o
2bo42bo2b2o2bo42bo2b2o2bo$14bobobo45bobobo45bobobo45bobobo45bobobo$15b
2obob4o41b2obob4o41b2obob4o41b2obob4o41b2obob4o$19bo3bo45bo3bo45bo3bo
45bo3bo45bo3bo$20bo49bo49bo49bo49bo$19b2o48b2o48b2o48b2o48b2o!

I can't believe I didn't see this! What a great discovery! This will make the p52 gun much smaller.

It's disappointing in a way. The original gun was so clever, and yet we could have done this all along.

[chris_c]

87P26 can eat the FNG of a p52 herschel track:

Excellent discovery!

I can't believe I didn't see this! What a great discovery! This will make the p52 gun much smaller.

Here is a smaller p52 gun:

Code: Select all

x = 132, y = 110, rule = LifeHistory
57.2A$49.A7.A9.A$49.3A2.BA.A7.3A$52.A.B2A7.A$51.A.AB9.2A$51.B2AB6.5B$
52.2A5.BA3B$53.2A3.BABA3B$52.B2A3BA2BA4B$53.2A.3B2A4B$58.6B$58.5B$57.
7B$56.4B.4B$55.4B3.3BA$54.A3B5.B2AB$53.A3B7.ABAB$52.B3A9.4B$51.4B11.
4B$50.4B13.4B$49.4B15.4B$48.4B17.4B$47.4B19.4B$46.4B21.4B$45.4B23.4B$
44.4B25.4B$43.4B27.4B$42.4B29.3BA$41.A3B15.2A14.B2AB$40.A3B15.A.A15.A
BAB$39.B3A10.2A4.A18.4B$38.4B9.A2.A2.2A.4A15.4B$37.4B10.2A.A.A.A.A2.A
16.4B$36.4B14.A.ABABAB19.4B$35.4B15.A.AB2AB21.4B$34.4B17.AB.2B23.4B$
33.4B21.3B23.4B$32.4B22.4B6.2A15.4B$31.4B21.3B2AB6.A17.4B$30.4B22.3B
2AB3.BA.A18.4B$29.4B21.10B.B2A20.3BA$28.A3B21.13B23.B2AB$27.A3B21.14B
24.ABAB$26.B3A21.15B25.4B$25.4B21.ABAB2.8B28.4B$24.4B21.B2AB5.5BA29.
4B$9.A13.4B21.3BA4.6B2AB29.4B$9.3A10.4B21.4B5.2A4.ABAB29.4B$12.A8.4B
21.4B7.A5.4B29.4B$11.2A7.4B21.4B5.3A7.4B29.4B$11.5B3.4B21.4B6.A10.4B
29.4B$13.3B2.4B21.4B12.2A5.4B29.4B$3.2A7.9B21.4B9.A3.A7.4B10.2A17.4B$
3.A8.8B21.4B10.3A.A8.4B9.A19.3BA$2A.A.B3.6BA3B21.4B9.2A3.A10.4B10.A
18.B2AB$A2.3AB.2B2A2BA4B20.4B9.A.A.AB5.2A5.4B5.5A19.ABAB$.2A2.BA3B2A
2B3A2B19.4B10.A2.2AB.A4.A5.4B4.A25.4B$3.4A12B18.ABAB9.2A.3A2.A.A3.A.A
B.7B2.B3A23.4B$3.A.2B3.7B.B2A15.B2AB11.A.A.3AB.A4.2AB.BA5B3.2B.A23.4B
$4.3AB2.7B.BA.A13.3BA12.A.A.B.2B.2A5.2BA2BA6B4A24.4B$7.A4.4B5.A12.4B
4.A7.2A.A3BAB8.2BA2BA6BAB2.2A7.A15.4B17.2A$2.5A5.4B5.2A10.4B5.3A8.A.B
2AB8.3BABA5B.B3A2.A6.3A14.4B16.A$2.A10.4B15.4B4.2A3.A4.2A2.3A.AB7.10B
3.B.A.2A4.2A3.A14.4B12.BA.A$4.A9.4B13.4B4.A3.2A.A3.A.2A2.2ABA6.8B8.A
6.A3.2A.A14.4B8.B.BA.A$3.2A10.4B11.4B4.A2.2A.A.A5.A2.A3B6.9B7.2A5.A2.
2A.A.A15.4B6.2AB2AB$16.4B9.4B6.2A.A.A.2A2.A.A.B.2B6.4B2.3B16.2A.A.A.
2A15.4B5.2AB.4B$17.3BA7.4B8.A.ABA.A2.A.A.4BA5.4B3.5B15.A.2BA.B2.A14.
3BA5.B4.2A$18.3BA5.4B9.A.2BAB4A.A.4A5.4B7.2A15.A.2BAB4A15.B2AB3.2B4.A
$19.3AB3.4B8.A.A.A2BAB3.A.3A6.4B8.A14.A.A.2ABAB19.ABAB2.2B5.3A$20.4B.
4B9.2A.A.ABA.2A.A2.B6.4B10.3A11.2A.A.ABA.2A.A16.6BAB6.A$21.3BABAB13.A
.3ABA.2A3.3B2.A3B13.A14.A.4BA.2A17.5BA2B$22.2BABA2.2A10.3A2.B7.5B2AB
29.A2B2.B22.4B3A$23.8BA10.B10.5BABA6.A24.A17.A7.9B$24.7BA2.3B.B2.2B
10.7B7.3A12.B.3B.B2.2B15.3A6.10B$25.2A5B2A15B2.8B11.A10.18B8.A8.4B.6B
$24.A4BA4BA25B9.2A3.B5.20B7.2A6.4B3.3B.B2A$24.AB3ABA3BA6BA17B10.8B3.
20B2.B.5B5.4B5.B2.BA.A$25.A3BA4BA15B.7B13.8B.B3A9B2A5B.6B6.2A2B12.A$
24.2B.3BAB2A8B2ABA13B12.9BA12B3A12B4.ABAB13.2A$23.B2A4B2A2B2.2B2.4BAB
AB2A9B11.10BA4B.2B2.3BA4B2A14BA$23.A.2A2.B2A2B9.B3AB2A10B8.17B8.2B2A
2BA14B$21.3A.A19.B2A12B.2B2.18BA11.2B2A16B$20.A4.A.A18.14B2A3B2A11BA
4BA12.BA11BA6B$20.2A3.2A.A17.8B.3B4A3BABA7B.2BA4B13.11B2A6B2A$28.A15.
8B3.2BA2BA2BA3BA11BA2BAB10.8B2.7BA3B2A$28.2A14.2A3.B5.2BA4BA3B2A11B3A
3B9.2A3.B5.5B3A3B$45.A10.2BA3BA11B2.8B11.A7.7B2A2B$42.3A12.B.3B.A2.2B
10.7B7.3A8.2A5.4B$42.A24.A10.8B6.A11.A$66.ABA2.B7.8B14.3A$66.A.2BABA.
2A3.3B2.4B13.A$63.2A.A.ABA.2A.A2.B6.4B$63.A.A.2ABAB3.A.A2B6.4B$65.A.
2BAB4A.A.3AB5.4B$65.A.2BA.B2.A.A.BAB2A5.3BA$64.2A.A.A.2A2.A.A.A.2A6.
3BA$63.A2.2A.A.A5.A2.B3A6.3AB$64.A3.2A.A3.A.2A2.BABA6.4B$65.2A3.A4.2A
2.A2B.BA7.4B$67.3A8.A.2A2B9.4B$67.A7.2A.AB2ABA10.4B$76.A.A.A.2B.2A8.
4B$76.A.A.2ABA.A10.4B$75.2A.A2B2.A.A11.4B$77.A2.B2A.A13.4B$77.A.A.A.A
15.4B$78.2A.A.4A13.4B$82.A3.A14.3BA$83.A18.3BA$82.2A19.3AB!

EDIT: Oh... of course a row and column can be trimmed using a different p4 oscillator in the bumper.
EDIT2: Swap the bumper on the right with the Snark on the left and use the large p4 eater in both bumpers to save another row and column.

[calcyman]

Reduced variant:

Code: Select all

x = 131, y = 109, rule = B3/S23
67bo$65b3o$64bo$64b2o2$60bo$59bobo$49b3o2bo3bo2bo$46bo2b2obobo4b2o$45b
obobo4bo$46bo3b3o$42bo6bo$41bobo2bo2b2o$40bo2b4o18bo$40bobo2b2o2bo4bo
9b2o$39b2o2b2o8bo10bobo$41bobo9b3o$41bo2bo$42b2o8$78bo$41bo18b2o15b2o$
40bo18bobo15bobo$40b3o10b2o4bo$51bo2bo2b2ob4o$51b2obobobobo2bo$54bobob
obo$54bobob2o$55bo2$68b2o$59b2o7bo$59b2o5bobo$66b2o23bo$28bo61b2o$27bo
62bobo$27b3o$50bobo$50b2o11bo$9bo41bo10b2o$9b3o44b2o4bobo$12bo44bo$11b
2o41b3o$54bo60bo$59b2o54b3o$3b2o50bo3bo21b2o30b2o3bo$3bo51b3obo21bo22b
o7bo3bo2bo$2obo11bo37b2o3bo24bo19b2o7bob2ob2o$o2b3o4b2o2bo37bobobo6b2o
14b5o19bobo7bo3bo$b2o3bo3b2o2b3o35bo2b2o2bo4bo13bo35bo2bo3bo$3b4o30bob
o10b2ob3o2bobo3bobo12b3o35b2obobo$3bo15b2o16b2o12bobob3o2bo4b2o3bo11bo
34bo3bo$4b3o12bobo16bo12bobo6b2o7bo2bo6b4o33b2o$7bo13bo20bo7b2obo3bo
11bo2bo6bo3b2o7bo23b3o3bo$2b5o14b2o19b3o8bo2b2o12bobo7b3o2bo6b3o23bobo
b2o$2bo37b2o3bo4b2o2b3obo23bob2o4b2o3bo24b2o$4bo34bo3b2obo3bob2o2b2obo
22bo6bo3b2obo23bobo$3b2o33bo2b2obobo5bo2bo25b2o5bo2b2obobo24b2o$39b2ob
obob2o2bobo36b2obobob2o24b2o$20bo19bobobobo2bobo5bo32bo3bo4bo17bo$21bo
18bo3bob4obob4o16b2o15bo3bob4o16b2o$19b3o16bobobo2bo4bob3o18bo14bobob
2obo20bobo$38b2obobobob2obo23b3o11b2obobobob2obo22bo$24bobo14bob3obob
2o8bo16bo14bo5bob2o22bo$24bobo2b2o10b3o15b2o30bo31b3o$31bo26bobo6bo24b
o17bo$31bo35b3o38b3o$25b2o5b2o36bo36bo$24bo4bo4bo34b2o36b2o18b2o$24bob
3obo3bo6bo85bobo$25bo3bo4bo46b3o9b2o18b2o14bo$30bob2o8b2obo34bo12b3o
16bobo14b2o$24b2o4b2o12bobob2o30bo12bo4b2o14bo$23bob2o3b2o12b3ob2o45b
2o2bo$21b3obo20b2o35bo13b2o$20bo4bobo32b2o3b2o11bo4bo13bo11bo$20b2o3b
2obo29b4o3bobo10bo28b2o6b2o$28bo28bo2bo2bo3bo11bo2bo28bo3b2o$28b2o14b
2o11bo4bo3b2o11b3o12b2o14b3o$45bo12bo3bo32bo14b2o$42b3o18bo28b3o8b2o$
42bo24bo24bo11bo$66bobo32b3o$66bo3bobob2o25bo$63b2obobobob2obo$63bobob
2obo4bobo$65bo3bob4obob3o$65bo3bo4bobo2bob2o8bo$64b2obobob2o2bobobob2o
9bo$63bo2b2obobo5bo3b3o6b3o$64bo3b2obo3bob2o3bobo$65b2o3bo4b2o2bo4bo$
67b3o8bob2o$67bo7b2obob2obo$76bobobo4b2o$76bobob2obobo$75b2obo4bobo$
77bo3b2obo$77bobobobo$78b2obob4o$82bo3bo17bo$83bo21bo$82b2o19b3o!

[dvgrn]

Reduced variant:

Code: Select all

x = 131, y = 109, rule = B3/S23...

And it's in the period-52 glider gun article already, with proper credit to Entity Valkyrie -- thanks for that!

... Naturally it can be reduced quite a bit by adding yet more extra superfluous junk:

Code: Select all

x = 127, y = 103, rule = B3/S23
64bo$62b3o$61bo$61b2o4$46b3o2bo2bo3bo$43bo2b2obobo6b2o$42bobobo4bo6bo$
43bo3b3o6b2o23b2o$39bo6bo9bo16bo7bo9bo$38bobo2bo2b2o25b3o2b2obo7b3o$
37bo2b4o32bo3bo7bo$37bobo2b2o2bo28bo12b2o$36b2o2b2o34b3o$38bobo43bo$
38bo2bo41bobo$39b2o36b2o3bo2bo$68bo8b2o4b2o$67b2o$44bo12b2o8bobo$43bo
12bobo$43b3o4b2o4bo$51bo2b2ob4o$51bobobobo2bo17bo10b2o$48b2obobobobo
20bobo7b2o$49bobobob2o21b2o10bo19b2o$49bo2bo57bo$48b2o57b2obo$65b2o2b
2o4b2o27bo4bo$56b2o7bo2bo2bo2bo2bo25bo4bo$56b2o5bobo9bobo25bo3b3o$63b
2o11bo27bo4b2o$31bo35bo2bo14b2o22bo$30bo36bob2o9b2o4bo16b2o5b3o$30b3o
35bob3o7bo5bobo13bo2bo6bo$47bobo15b3o3bobo7b3o3bobo11b2o3bo$47b2o11bo
4bo7bo9bo5bo2b2o8bo$48bo10b2o12b2o11bo2bo2b2o9b3o$53b2o4bobo24bo$54bo
32bo$9bo41b3o30b3o21b2o$9b3o39bo32bo7bo15bobo$12bo43b2o33bobo16bo$11b
2o39bo3bo21b2o10bo2bo16b2o$52b3obo21bo12b2o4bo$18bo31b2o3bo24bo15b2o$
3b2o12bo31bobobo6b2o14b5o15bobo$3bo13b3o29bo2b2o2bo4bo13bo11b2o$2obo
30bobo10b2ob3o2bobo3bobo12b3o7bobo$o2b3o4b2o22b2o12bobob3o2bo4b2o3bo
11bo6bo$b2o3bo3b2o23bo12bobo6b2o7bo2bo6b4o5b2o$3b4o32bo7b2obo3bo11bo2b
o6bo3b2o7bo$3bo15b2o18b3o8bo2b2o12bobo7b3o2bo6b3o$4b3o12bobo15b2o3bo4b
2o2b3obo23bob2o4b2o3bo31b2o$7bo13bo14bo3b2obo3bob2o2b2obo22bo6bo3b2obo
30bo$2b5o14b2o12bo2b2obobo5bo2bo25b2o5bo2b2obobo28bobo$2bo33b2obobob2o
2bobo36b2obobob2o26bobo$4bo12bo19bobobobo2bobo5bo32bo3bo4bo13bo6b2ob2o
$3b2o13bo18bo3bob4obob4o16b2o15bo3bob4o12b2o6b2o$16b3o16bobobo2bo4bob
3o18bo14bobob2obo16bobo11b2o$35b2obobobob2obo23b3o11b2obobobob2obo25bo
$21bobo14bob3obob2o8bo16bo14bo5bob2o26b3o$21bobo2b2o10b3o15b2o30bo29bo
7bo$28bo26bobo6bo24bo17bo9bobo$28bo35b3o38b3o9bo2bo$22b2o5b2o36bo36bo
13b2o$21bo4bo4bo34b2o36b2o$21bob3obo3bo6bo$22bo3bo4bo46b3o9b2o18b2o10b
2o$27bob2o8b2obo34bo12b3o16bobo10bobo$21b2o4b2o12bobob2o30bo12bo4b2o
14bo12bo$20bob2o3b2o12b3ob2o45b2o2bo27b2o$18b3obo20b2o35bo13b2o$17bo4b
obo32b2o3b2o11bo4bo13bo11bo$17b2o3b2obo29b4o3bobo10bo28b2o6b2o$25bo28b
o2bo2bo3bo11bo2bo28bo3b2o$25b2o14b2o11bo4bo3b2o11b3o12b2o14b3o$42bo12b
o3bo32bo14b2o$39b3o18bo28b3o8b2o$39bo24bo24bo11bo$63bobo32b3o$63bo3bob
ob2o25bo$60b2obobobob2obo$60bobob2obo4bobo$62bo3bob4obob3o$62bo3bo4bob
o2bob2o8bo$61b2obobob2o2bobobob2o9bo$60bo2b2obobo5bo3b3o6b3o$61bo3b2ob
o3bob2o3bobo$62b2o3bo4b2o2bo4bo$64b3o8bob2o$64bo7b2obob2obo$73bobobo4b
2o$73bobob2obobo$72b2obo4bobo$74bo3b2obo$74bobobobo$75b2obob4o$79bo3bo
17bo$80bo21bo$79b2o19b3o!

There's a spot on the right where another p4 oscillator might save a column, given a sufficiently evil weld. Possibly there's some hope for saving another row at the top, but there's not a lot of room for welding in the top middle where a bumper needs to move.

[calcyman]

There's a spot on the right where another p4 oscillator might save a column, given a sufficiently evil weld.

Sufficiently evil weld:

Code: Select all

x = 126, y = 103, rule = B3/S23
64bo$62b3o$61bo$61b2o4$46b3o2bo2bo3bo$43bo2b2obobo6b2o$42bobobo4bo6bo$
43bo3b3o6b2o23b2o$39bo6bo9bo16bo7bo9bo$38bobo2bo2b2o25b3o2b2obo7b3o$
37bo2b4o32bo3bo7bo$37bobo2b2o2bo28bo12b2o$36b2o2b2o34b3o$38bobo43bo$
38bo2bo41bobo$39b2o36b2o3bo2bo$68bo8b2o4b2o$67b2o$44bo12b2o8bobo$43bo
12bobo$43b3o4b2o4bo$51bo2b2ob4o$51bobobobo2bo17bo10b2o$48b2obobobobo
20bobo7b2o$49bobobob2o21b2o10bo19b2o$49bo2bo57bo$48b2o57b2obo$65b2o2b
2o4b2o27bo4bo$56b2o7bo2bo2bo2bo2bo25bo4bo$56b2o5bobo9bobo25bo3b3o$63b
2o11bo27bo4b2o$31bo35bo2bo14b2o22bo$30bo36bob2o9b2o4bo16b2o5b3o$30b3o
35bob3o7bo5bobo13bo2bo6bo$47bobo15b3o3bobo7b3o3bobo11b2o3bo$47b2o11bo
4bo7bo9bo5bo2b2o8bo$48bo10b2o12b2o11bo2bo2b2o9b3o$53b2o4bobo24bo26b2o$
54bo32bo24bobo$9bo41b3o30b3o21b2o2bo$9b3o39bo32bo7bo15bobob2o$12bo43b
2o33bobo16bo$11b2o39bo3bo21b2o10bo2bo16bo$52b3obo21bo12b2o4bo6b2o2bob
3o$18bo31b2o3bo24bo15b2o6bo3b2o3bo$3b2o12bo31bobobo6b2o14b5o15bobo6b3o
3bo2bo$3bo13b3o29bo2b2o2bo4bo13bo11b2o18bob2ob2o$2obo30bobo10b2ob3o2bo
bo3bobo12b3o7bobo19bo3bo$o2b3o4b2o22b2o12bobob3o2bo4b2o3bo11bo6bo22bo
2bo3bo$b2o3bo3b2o23bo12bobo6b2o7bo2bo6b4o5b2o25b2obobo$3b4o32bo7b2obo
3bo11bo2bo6bo3b2o7bo22bo3bo$3bo15b2o18b3o8bo2b2o12bobo7b3o2bo6b3o19b2o
$4b3o12bobo15b2o3bo4b2o2b3obo23bob2o4b2o3bo18b3o3bo$7bo13bo14bo3b2obo
3bob2o2b2obo22bo6bo3b2obo19bobob2o$2b5o14b2o12bo2b2obobo5bo2bo25b2o5bo
2b2obobo21b2o$2bo33b2obobob2o2bobo36b2obobob2o20bobo$4bo12bo19bobobobo
2bobo5bo32bo3bo4bo13bo5b2o$3b2o13bo18bo3bob4obob4o16b2o15bo3bob4o12b2o
6b2o$16b3o16bobobo2bo4bob3o18bo14bobob2obo16bobo$35b2obobobob2obo23b3o
11b2obobobob2obo$21bobo14bob3obob2o8bo16bo14bo5bob2o$21bobo2b2o10b3o
15b2o30bo29bo$28bo26bobo6bo24bo17bo9bobo$28bo35b3o38b3o9bo2bo$22b2o5b
2o36bo36bo13b2o$21bo4bo4bo34b2o36b2o$21bob3obo3bo6bo$22bo3bo4bo46b3o9b
2o18b2o10b2o$27bob2o8b2obo34bo12b3o16bobo10bobo$21b2o4b2o12bobob2o30bo
12bo4b2o14bo12bo$20bob2o3b2o12b3ob2o45b2o2bo27b2o$18b3obo20b2o35bo13b
2o$17bo4bobo32b2o3b2o11bo4bo13bo11bo$17b2o3b2obo29b4o3bobo10bo28b2o6b
2o$25bo28bo2bo2bo3bo11bo2bo28bo3b2o$25b2o14b2o11bo4bo3b2o11b3o12b2o14b
3o$42bo12bo3bo32bo14b2o$39b3o18bo28b3o8b2o$39bo24bo24bo11bo$63bobo32b
3o$63bo3bobob2o25bo$60b2obobobob2obo$60bobob2obo4bobo$62bo3bob4obob3o$
62bo3bo4bobo2bob2o8bo$61b2obobob2o2bobobob2o9bo$60bo2b2obobo5bo3b3o6b
3o$61bo3b2obo3bob2o3bobo$62b2o3bo4b2o2bo4bo$64b3o8bob2o$64bo7b2obob2ob
o$73bobobo4b2o$73bobob2obobo$72b2obo4bobo$74bo3b2obo$74bobobobo$75b2ob
ob4o$79bo3bo17bo$80bo21bo$79b2o19b3o!

[Scorbie]

Here's a possible p4 sparker reduction. Not guaranteed to be optimal, but it's a start.

Code: Select all

x = 12, y = 16, rule = B3/S23
4bo$3bo$2bo3b2o$2bob4o$2obo$bobo3bo$o2b3o2b2o$obo7bo$bob3o5bo$3bo2bobo
b2o$bo2b2obo$b2obo$2bobobo$2bobob3o$3bo5bo$8b2o!

Code: Select all

x = 126, y = 103, rule = B3/S23
64bo$62b3o$61bo$61b2o4$46b3o2bo2bo3bo$43bo2b2obobo6b2o$42bobobo4bo6bo$
43bo3b3o6b2o23b2o$39bo6bo9bo16bo7bo9bo$38bobo2bo2b2o25b3o2b2obo7b3o$
37bo2b4o32bo3bo7bo$37bobo2b2o2bo28bo12b2o$36b2o2b2o34b3o$38bobo43bo$
38bo2bo41bobo$39b2o36b2o3bo2bo$68bo8b2o4b2o$67b2o$44bo12b2o8bobo$43bo
12bobo$43b3o4b2o4bo$51bo2b2ob4o$51bobobobo2bo17bo10b2o$48b2obobobobo
20bobo7b2o$49bobobob2o21b2o10bo19b2o$49bo2bo57bo$48b2o57b2obo$65b2o2b
2o4b2o27bo4bo$56b2o7bo2bo2bo2bo2bo25bo4bo$56b2o5bobo9bobo25bo3b3o$63b
2o11bo27bo4b2o$31bo35bo2bo14b2o22bo$30bo36bob2o9b2o4bo16b2o5b3o$30b3o
35bob3o7bo5bobo13bo2bo6bo$47bobo15b3o3bobo7b3o3bobo11b2o3bo$47b2o11bo
4bo7bo9bo5bo2b2o8bo$48bo10b2o12b2o11bo2bo2b2o9b3o$53b2o4bobo24bo26b2o$
54bo32bo24bobo$9bo41b3o30b3o21b2o2bo$9b3o39bo32bo7bo15bobob2o$12bo78bo
bo16bo$11b2o65b2o10bo2bo16bo$78bo12b2o4bo6b2o2bob3o$18bo35b2o24bo15b2o
6bo3b2o3bo$3b2o12bo37bo4b2o14b5o15bobo6b3o3bo2bo$3bo13b3o29b2ob3o6bo
13bo11b2o18bob2ob2o$2obo30bobo11bobobo8bobo12b3o7bobo19bo3bo$o2b3o4b2o
22b2o12bobo11b2o3bo11bo6bo22bo2bo3bo$b2o3bo3b2o23bo10b2o2bo15bo2bo6b4o
5b2o25b2obobo$3b4o32bo7bobo2b3ob2o8bo2bo6bo3b2o7bo22bo3bo$3bo15b2o18b
3o4bo2bob2ob2obo9bobo7b3o2bo6b3o19b2o$4b3o12bobo15b2o3bo3bobo3b3obo22b
ob2o4b2o3bo18b3o3bo$7bo13bo14bo3b2obo3bob2o2b2o24bo6bo3b2obo19bobob2o$
2b5o14b2o12bo2b2obobo5bo2bo25b2o5bo2b2obobo21b2o$2bo33b2obobob2o2bobo
36b2obobob2o20bobo$4bo12bo19bobobobo2bobo5bo32bo3bo4bo13bo5b2o$3b2o13b
o18bo3bob4obob4o16b2o15bo3bob4o12b2o6b2o$16b3o16bobobo2bo4bob3o18bo14b
obob2obo16bobo$35b2obobobob2obo23b3o11b2obobobob2obo$21bobo14bob3obob
2o8bo16bo14bo5bob2o$21bobo2b2o10b3o15b2o30bo29bo$28bo26bobo6bo24bo17bo
9bobo$28bo35b3o38b3o9bo2bo$22b2o5b2o36bo36bo13b2o$21bo4bo4bo34b2o36b2o
$21bob3obo3bo6bo$22bo3bo4bo46b3o9b2o18b2o10b2o$27bob2o8b2obo34bo12b3o
16bobo10bobo$21b2o4b2o12bobob2o30bo12bo4b2o14bo12bo$20bob2o3b2o12b3ob
2o45b2o2bo27b2o$18b3obo20b2o35bo13b2o$17bo4bobo32b2o3b2o11bo4bo13bo11b
o$17b2o3b2obo29b4o3bobo10bo28b2o6b2o$25bo28bo2bo2bo3bo11bo2bo28bo3b2o$
25b2o14b2o11bo4bo3b2o11b3o12b2o14b3o$42bo12bo3bo32bo14b2o$39b3o18bo28b
3o8b2o$39bo24bo24bo11bo$63bobo32b3o$63bo3bobob2o25bo$60b2obobobob2obo$
60bobob2obo4bobo$62bo3bob4obob3o$62bo3bo4bobo2bob2o8bo$61b2obobob2o2bo
bobob2o9bo$60bo2b2obobo5bo3b3o6b3o$61bo3b2obo3bob2o3bobo$62b2o3bo3bobo
2bo$64b3o4bo2b4ob2obo$64bo7bobo3b2ob2o$71b2o2bo$73bobo$73bobobo$74b2ob
3o$80bo$79b2o$101bo$102bo$100b3o!

[dvgrn]

Here's a possible p4 sparker reduction. Not guaranteed to be optimal, but it's a start...

Nice! You kept the previous bounding box of the gun, but that reduction actually cuts off three rows:

Code: Select all

x = 126, y = 100, rule = B3/S23
64bo$62b3o$61bo$61b2o2$57bo$56bobo$46b3o2bo3b2o$43bo2b2obobo3b3o$42bob
obo4bo$43bo3b3o8bo22b2o$39bo6bo11bo14bo7bo9bo$38bobo2bo2b2o25b3o2b2obo
7b3o$37bo2b4o32bo3bo7bo$37bobo2b2o2bo28bo12b2o$36b2o2b2o34b3o$38bobo
44b2o$38bo2bo42bobo$39b2o6bo29b2o5bo2bo$46bo30b2o6b2o$46b3o37bo$57b2o$
56bobo12bo9bo$50b2o4bo13b2o9bobo$51bo2b2ob4o9bobo8b2o$51bobobobo2bo$
48b2obo2bobo$49bobobo56b2o$49bo2bo3bo35b2o16bo$48b2o6bo34b2o14b2obo$
57b2o6b2o2b2o4b2o16bo10bo4bo$34bo21b2o7bo2bo2bo2bo2bo25bo4bo$33bo22bo
6bobo9bobo25bo3b3o$33b3o27b2o11bo27bo4b2o$50bobo14bo2bo14b2o22bo$50b2o
15bob2o9b2o4bo23b3o$51bo16bob3o7bo5bobo15bo7bo$65b3o3bobo7b3o3bobo13bo
bo$65bo7bo9bo5bo2b2o9bo2bo$73b2o11bo2bo2b2o5b3o2b2o$53b2o31bo14bo11b2o
$54bo8bo23bo12bo11bobo$9bo41b3o8b2o20b3o21b2o2bo$9b3o39bo10bobo19bo7bo
15bobob2o$12bo8bo69bobo16bo$11b2o7bo57b2o10bo2bo16bo$20b3o55bo12b2o11b
2o2bob3o$37bobo14b2o24bo23bo3b2o3bo$3b2o32b2o16bo4b2o14b5o24b3o3bo2bo$
3bo34bo10b2ob3o6bo13bo11b2o11bo6bob2ob2o$2obo5b2o37bobobo8bobo12b3o7bo
bo10b2o7bo3bo$o2b2o6bo36bobo11b2o15bo6bo12bobo7bo2bo3bo$b2o2bo2bob2o
34b2o2bo25b4o5b2o25b2obobo$3bob2o32bo7bobo2b3ob2o8bo4b2o3bo3b2o7bo22bo
3bo$3bobo13b2o18b3o4bo2bob2ob2obo8b2o3b2o4b3o2bo6b3o19b2o$4b3o12bobo
15b2o3bo3bobo3b3obo8bobo11bob2o4b2o3bo18b3o3bo$7bo6bo6bo14bo3b2obo3bob
2o2b2o24bo6bo3b2obo19bobob2o$2b5o8bo5b2o12bo2b2obobo5bo2bo25b2o5bo2b2o
bobo21b2o$2bo10b3o20b2obobob2o2bobo36b2obobob2o20bobo$4bo32bo3bo4bobo
5bo32bo3bo4bo19b2o$3b2o19bobo10bo3bob4obob4o16b2o15bo3bob4o20b2o$24b2o
9bobob2obo4bob3o18bo14bobob2obo$25bo9b2obobobob2obo23b3o11b2obobo3b2ob
o15bo$38bo3bobob2o25bo14bo4b2ob2o14b2o$38bobo12b2o33b2o22bobo$39bo24bo
42bo$53b2o9b3o38b3o10b2o$41b2o5bo4b2o12bo36bo11b2o2bo$26b2o2bo9b4o4bo
3bo13bo12b2o8b2o2b2o9b2o10b2ob2o$25b3o2bo9bob3o3bobo3bo11bo3b3o6b2o8b
2o2b3o21b3o$24b2o13bob3o8bobo16b4o13b3o2b2o27b2o$26bo13b3o25bob2ob2o
14b2o2bo28bobo$40b2o8bo3bo15bo2bob2o31bo15bo$20bob2o27bo2bo14b2obo3b2o
29bobo14b2o$18b3obo29bo16b2obobobo24bo4bobo$17bo4bobo29bob2o15b3o26b2o
2bobo$17b2o3b2obo32bo15bo30bo2bo3b2o$25bo32bo4bo42b2o4b2o$25b2o14b2o
13b3o4bobo25b2o$42bo20b2o27bo$39b3o47b3o8b2o$39bo24bo24bo11bo$63bo34b
3o$63bo5bob2o25bo$60b2obobobob2obo12bo$60bobob2obo4bobo11bo$62bo3bob4o
bob3o6b3o$62bo3bo4bobo2bob2o$61b2obobob2o2bobobob2o$60bo2b2obobo5bo3b
3o$61bo3b2obo3bob2o3bobo$62b2o3bo3bobo2bo$64b3o4bo2b4ob2obo$64bo7bobo
3b2ob2o$71b2o2bo$73bobo$73bobobo$74b2ob3o18bo$80bo18bo$79b2o16b3o!

(Same gun pattern, corrected phase. I checked to see if the huge ugly p4 bumper variant could save another row at the top, but of course there's no hope with the current configuration.)

[dani]

Is it just me, or is Life technology a lot more satisfying? I mean, it's a rule that doesn't exactly lend itself much to catalysts, and yet all this software and stuff has been made to find amazing reactions (it's quite strange that the half bakery reaction exists considering bakeries usually consist of two halves). Nice work all!

[calcyman]

Is it just me, or is Life technology a lot more satisfying? I mean, it's a rule that doesn't exactly lend itself much to catalysts, and yet all this software and stuff has been made to find amazing reactions (it's quite strange that the half bakery reaction exists considering bakeries usually consist of two halves). Nice work all!

My suspicion is that it's like the Hubble Deep Field: that B3/S23 is just like any other patch of UCC-supporting Class-IV rulespace, only it's been explored much more intensively than B38/S23 etc. That said, I'm beginning to share Oscar's* suspicion that B3/S23 is genuinely the simplest rule to have these properties, which might be one reason for its inertia.

* Cunningham, not .py

Quite surprising also is the fact that B3/S23 doesn't have anything like HighLife's replicator, or either of B38/S23's natural oblique reactions. (Okay, it has the switch engine, but that's not the same.)

I also have another suspicion, which is that Wolfram's classification is wrong, and that there's actually no real difference between Class III and Class IV other than a question of scale: if you take a 10^12-by-10^12 soup in B3/S23, it's probably going to grow explosively with swathes of switch-engines interfering with each other. And if not, then really large (say, 10^10^12-by-10^10^12) soups will have natural 0E0P replicators emulating Class III rules, and the fittest replicators will prevail. It's really a different game at those scales.

Further evidence: B36/S23 seems to be Class-IV if you've only done some small simulations, but on larger scales you get inextricable seething masses of replicators.

[dvgrn]

My suspicion is that it's like the Hubble Deep Field: that B3/S23 is just like any other patch of UCC-supporting Class-IV rulespace, only it's been explored much more intensively than B38/S23 etc. That said, I'm beginning to share Oscar's* suspicion that B3/S23 is genuinely the simplest rule to have these properties, which might be one reason for its inertia.

I haven't tried to come up with candidate "Deep Field" rules that are simpler than B3/S23, partly for fear I might find something and then have to explore it. For me one particularly striking thing about B3/S23 is that if you set up the right background pattern, Life can act like a totally different rule -- e.g., in the stripes agar, "negative spaceships" can suddenly travel at speeds that are impossible in B3/S23 vacuum. Same for signals in a 2c/3 wire or telegraph wire.

It seems unlikely that that phenomenon is unique to Life, though. I wonder if there might be a simpler-than-B3/S23 rule that could be made to support universal computation and so on, but it requires some kind of additional background agar that nobody has thought of yet?

[Macbi]

And if not, then really large (say, 10^10^12-by-10^10^12) soups will have natural 0E0P replicators emulating Class III rules, and the fittest replicators will prevail.

Will they? Or will any kind of structure just explode at the first sign of trouble? I don't really have an intuition about whether or not it's possible to create any kind of "robust" structure in Life.

I'm pretty certain it's possible to make a "universal eater"; a still life that is eats any glider that collides with it. But in a large soup it would immediately be killed by two gliders hitting it simultaneously. I don't have any idea whether it's possible to build a structure that can withstand many different kinds of impact.

[calcyman]

And if not, then really large (say, 10^10^12-by-10^10^12) soups will have natural 0E0P replicators emulating Class III rules, and the fittest replicators will prevail.

Will they? Or will any kind of structure just explode at the first sign of trouble? I don't really have an intuition about whether or not it's possible to create any kind of "robust" structure in Life.

I'm pretty certain it's possible to make a "universal eater"; a still life that is eats any glider that collides with it. But in a large soup it would immediately be killed by two gliders hitting it simultaneously. I don't have any idea whether it's possible to build a structure that can withstand many different kinds of impact.

I imagine that the only way any structure can survive is by copying itself as quickly as possible for exactly the reason you describe. Hence why I expect replicators to ultimately take over the universe, rather than (say) ordinary breeders.

[Sokwe]

Three more rows off the p52 gun:

Code: Select all

x = 126, y = 97, rule = B3/S23
64bo$62b3o$61bo$61b2o2$57bo$56bobo$46b3o2bo3bo2bo$43bo2b2obobo4b2o$42b
obobo4bo$43bo3b3o31b2o$39bo6bo26bo7bo9bo$38bobo2bo2b2o13bo11b3o2b2obo
7b3o$37bo2b4o16b2o14bo3bo7bo$38b2o2b2o2bo13bobo12bo12b2o$40b2o8bo25b3o
$40bo8bo$41bo7b3o30bobo$38b3o36b2ob3ob3o$38bo38b2ob2obobo$82b3o$57b2o
23b3o$56bobo$50b2o4bo$48bo2bo2b2ob4o$48b2obobobobo2bo13bo$51bobobobo
15b2o$51bobob2o16bobo34b2o$37bo14bo57bo$36bo70b2obo$36b3o26b2o2b2o6b3o
24bo4bo$65bo2bo2bo4bo18b2o6bo4bo$56bo6bobo10bo2bo14b2o7bo3b3o$55b3o5b
2o12b2o17bo7bo4b2o$54b5o8bo2bo14b2o22bo$53b2o3b2o7bob2o9b2o4bo23b3o$
54b5o9bob3o7bo5bobo15bo7bo$55b3o7b3o3bobo7b3o3bobo13bobo$56bo8bo7bo9bo
5bo2b2o9bo2bo$73b2o11bo2bo2b2o10b2o$53b2o31bo$24bo29bo32bo23b2o$9bo13b
o27b3o30b3o9b3o9b2o2bo$9b3o11b3o25bo32bo13bo9bob2o$12bo27bobo23bo30bo
12bo$11b2o27b2o23b2o11b2o11b2o17bo$41bo23bobo10bo11bo2bo17b2o$80bo9b2o
b2o13b3o2bo$3b2o55b2o14b5o11bo14bo3bo2bo$3bo9b3o45bo13bo11b2o18bob2ob
2o$2obo8bo3bo40bo3bobo12b3o7bobo19bo3bo$o2b3o5bo5bo37b3o4b2o15bo6bo22b
o2bo3bo$b2o3bo4bo5bo28bob2o4bo21b4o5b2o16bo8b2obobo$3b4o4bo5bo28b2o2bo
bo2b5o11b2o3bo3b2o7bo12b2o8bo3bo$3bo8bo3bo2b2o18b2o8b2ob3o5bo10b2o4b3o
2bo6b3o10bobo6b2o$4b3o6b3o3bobo18bo5b3o2bo3b2o2b2o18bob2o4b2o3bo18b3o
3bo$7bo13bo18bobo2bo3b2obobo8bo15bo6bo3b2obo19bobob2o$2b5o14b2o4bobo8b
2obobo2b2obo3bo9b2o13b2o5bo2b2obobo21b2o$2bo24b2o8bobobob2obo2bo12bobo
21b2obobob2o20bobo$4bo23bo8bo3bo4bobo5bo32bo3bo4bo19b2o$3b2o29b2obo3bo
b4obob4o16b2o15bo3bob4o20b2o$34bo2bob2obo4bob3o18bo14bobob2obo$35b2obo
bobob2obo23b3o11b2obob2o2b2obo19b2o$38bo5bob2o25bo14bo4b2ob2o$38bo49b
2o25bo3bo$39bo24bo42bo6bo$24bo39b3o38b3o7bo3bo$25bo8b2o16bo14bo21bo14b
o11bo$23b3o3b2o2b3o2b2o11b3o12b2o11b2o5b5o13b2o11b2o$29bo2bobo4b2o9b2o
bo25bo11bo$30bo3bob2obo10b2o37b2o31b2o$33bo3b2o30b2o17b2o32bobo$69b2o
16bo17b2o17bo$20bob2o44bo2bo32bo2bo16b2o$18b3obo42bo2bob2o32bo2bo$17bo
4bobo27bobo9bo2bo39bo$17b2o3b2obo27b2o10bobo33b2o3bo5b2o$25bo28bo46bo
3bo6b2o$25b2o14b2o48b2o9b3o$42bo49bo$39b3o47b3o8b2o$39bo42bo6bo11bo$
63b2o18bo14b3o$63bo4b2ob2o8b3o14bo$60b2obobo3b2obo$59bo2bob2obo4bobo$
59b2obo3bob4obob3o$62bo3bo4bobo2bob2o$62bobobob2obo2bobob2o$63b2obobo
2b2obo3bo$65bobo2bo3bobobo$65bo5b3o6b2o2b2o$64b2o8b2ob3o2bo2bo$71b2o2b
obo2b5o$71bob2o4bo15bo$80b3o13bo$82bo11b3o!

It might be possible to shave off another one or two rows. Shaving off three rows simply by changing the p4 is impossible according to JLS.

[calcyman]

Edgeshooting p540 glider gun:

Code: Select all

x = 55, y = 55, rule = B3/S23
33bobo$33bo3bo$37bo$23b2o8bo4bo4b3o$23b2o12bo5b3o$33bo3bo4bo3bo$3b2o
10b2o16bobo5bo5bo$2bo2bo8bo2bo24bo3bo$2b3o10b3o25b3o$5b10o$4bo2b6o2bo$
4b2o2b4o2b2o2$22bo12bo8bobo$22b3o8b3o7bo2bo$9b2o14bo6bo8bob2o$2o6bo2bo
6b2o4b2o6b2o$bo7b2o7bo25bo$bobo12bobo22b2obo$2b2o12b2o25bo2$26b2o$25bo
2bo14b2o3b2o$26b2o16b5o$44b2ob2o$44b2ob2o$32bo12b3o$31bobo$31bobo17b2o
$8bo23bo18b2o$7bobo33b2o6b2o$7bobo34bo6bo$8bo32b3o6bobo$12b2o27bo8bobo
$12bobo36bo$14bo$14b2o$48b2o3b2o$48bobobobo$49b5o$50b3o$30b2o19bo$30bo
bo$30bo3$21b2o21bobo$22bo16b2o3bo2bo$22bobo7b2o2b2ob3o5b2o$23b2o6bobo
3bo3bo3bo3b2o$30bo8bobo5b2o$30bo2bo6b2o2bo2bo$20bo9bo13bobo$21bo9bobo$
19b3o10b2o!

At 55x55, this is smaller in all but one phase than the 65x47 gun from the collection:

Code: Select all

x = 65, y = 47, rule = B3/S23
42bo$39b4o$38b4o16bo$31b2o5bo2bo8b2o5bobo$31b2o5b4o14bo3b2o$21bo17b4o
3b2obobo4bo3b2o$19bobo20bo2bo3b2o5bo3b2o$10bo7bobo25bo10bobo$9b2o6bo2b
o25bo2bo8bo$8b2o4b2o2bobo$7b3o4b2o3bobo8b2o$8b2o4b2o5bo8bobo28bo$9b2o
21bo6bo19b2ob2o$10bo21b2o4bo$22bo15b3o17bo5bo$23bo$21b3o34b2obob2o$41b
3o$43bo$42bo$31bo$31bobo$b5o25b2o$ob3obo$bo3bo28b2o$2b3o28bobo24b2o$3b
o31bo24b2o$24bo$23bo$23b3o$3b2o$3b2o$26b3o$28bo$27bo4$8bo8bo2bo$7bobo
10bo$5b2o3bo5b2o3bo2bo$2o3b2o3bo4bobob2o3b4o$2o3b2o3bo14b4o5b2o$7bobo
5b2o8bo2bo5b2o$8bo16b4o23bo$24b4o25bo$24bo26b3o!

[2718281828]

This p51 H->G+G should give a small p102 gun:

Code: Select all

x = 41, y = 33, rule = LifeHistory
2.A15.2A9.2A$3A9.2A6.A7.A6.2A$A.A9.2A7.A5.A7.2A$A16.A2.A7.A2.A$9.2A5.
A15.A5.2A$9.2A6.2A2.3A.3A2.2A6.2A$21.A.A.A.A$23.A.A$12.A23.A$11.A.A
21.A.A$8.A4.A21.A4.A$8.A31.A$9.A.A25.A.A$10.A2.2A19.2A2.A$13.A21.A$
13.3A17.3A2$13.3A17.3A$13.A21.A$10.A2.2A19.2A2.A$9.A.A25.A.A$8.A31.A$
8.A4.A21.A4.A$11.A.A21.A.A$12.A23.A$23.A.A$21.A.A.A.A$9.2A6.2A2.3A.3A
2.2A6.2A$9.2A5.A15.A5.2A$17.A2.A7.A2.A$12.2A7.A5.A7.2A$12.2A6.A7.A6.
2A$18.2A9.2A!

[Freywa]

This p51 H->G+G should give a small p102 gun:

Code: Select all

x = 41, y = 33, rule = LifeHistory
2.A15.2A9.2A$3A9.2A6.A7.A6.2A$A.A9.2A7.A5.A7.2A$A16.A2.A7.A2.A$9.2A5.
A15.A5.2A$9.2A6.2A2.3A.3A2.2A6.2A$21.A.A.A.A$23.A.A$12.A23.A$11.A.A
21.A.A$8.A4.A21.A4.A$8.A31.A$9.A.A25.A.A$10.A2.2A19.2A2.A$13.A21.A$
13.3A17.3A2$13.3A17.3A$13.A21.A$10.A2.2A19.2A2.A$9.A.A25.A.A$8.A31.A$
8.A4.A21.A4.A$11.A.A21.A.A$12.A23.A$23.A.A$21.A.A.A.A$9.2A6.2A2.3A.3A
2.2A6.2A$9.2A5.A15.A5.2A$17.A2.A7.A2.A$12.2A7.A5.A7.2A$12.2A6.A7.A6.
2A$18.2A9.2A!

But what would make you think this would lead to such a gun? As far as I know only two H-to-H conduits – HFx119H, HRx191H – can leave both output lanes open. The latter is slow; the former outputs three other gliders, and is probably difficult to connect to at its mouth.

[dvgrn]

But what would make you think this would lead to such a gun?

Actually the problem is more that we already have small true-period guns for p102, and once we have a Herschel we already have as many spare output gliders as we want at that period. By the time the connections are completed, the suggested design is going to end up a good bit bigger than

Code: Select all

x = 68, y = 61, rule = LifeHistory
22.2A11.A$21.B2AB9.A.A$22.3B9.A.A2.2A3.A$21.B.B9.2A.2A2.A2.A.A$21.5B
8.B2.A.A3.A.A12.A$21.4BAB6.2ABA2.4A.A11.3A$21.3B3A2B4.2A.A.A3.A12.A$
22.BA2BA8B2.A.AB2.A11.2A$20.2B5ABA4B5.A.A2B.A7.5B$19.4B4AB2A4B5.A2B.
2A6.4B$19.15B4.3B10.5B$18.9BA7B.B.2B10.6B.B$18.2B2A25B3.9B$17.2B3AB3A
22B2.11B.B$16.4B2A26B2.2B3A7B2A$15.2AB3.27B.2BA2BA7B2A$14.A2.A4.32BA
6B.B$13.A.2A5.6B3.B2.2B2.12BA4BA4B$13.A7.6B14.8BA5B3A3B$12.2A6.9B14.
5BA6B2A6B$19.4B4.2A15.4B4AB3A7B$18.4B5.A15.6B2A3BA7B$17.4B7.3A12.17B
2ABA.2A$16.4B10.A10.2AB.3B.11B2A.2A.A$15.4B21.A.AB6.11B$14.4B22.A8.
10B$4.A8.4B22.2A7.10B$2.5A5.4B5.2A25.11B$.A5.A4.4B5.A26.11B$.A2.3AB2.
7B.BA.A25.13B$2A.A.2B3.7B.B2A23.2B.13B.2B$A2.4A12B24.21B$.2A2.BA3B2A
2B3A2B22.25B$3.3AB.2B2A2BA4B22.25B$3.A.B3.6BA3B21.27B$2A.A8.8B20.27B$
2A.2A7.9B18.29B$13.3B2.4B18.27B$11.5B3.4B6.A10.6B2.11B2.6B$11.2A7.4B
5.3A7.A3B.B3.8B.B4.B.3BA$12.A8.4B7.A5.BABA7.B.4B10.ABA$9.3A10.4B5.2A
4.2B2A11.3B11.2A$9.A13.4B4.9B12.4B11.B$24.4B5.6B12.BA3B$25.4B2.8B11.B
ABAB$26.15B9.A.A2.2B2.B$27.14B7.3A2.3AB.B2A$28.13B6.A3.2A2.BA2B2A$29.
10B.B2A5.3A2.2A.AB.B$31.3B2AB3.BA.A6.A.A2.AB$31.3B2AB6.A7.A.A$33.4B6.
2A7.A$33.3B$30.AB.2B$29.A.AB2AB$29.A.ABABAB$28.2A.A.A.A2.A$29.A2.2A.
4A$29.A4.A$30.3A.A2.2A$32.2A3.2A!

As far as I know only two H-to-H conduits – HFx119H, HRx191H – can leave both output lanes open. The latter is slow; the former outputs three other gliders, and is probably difficult to connect to at its mouth.

Only two? What about F117, Fx153, F194_2, F209, L112, L156, etc., etc.? Seems like a lot of conduits that end in a BFx59H would be workable.

Code: Select all

x = 110, y = 52, rule = LifeHistory
10.2A11.A$10.2A10.A.A$22.A.A2.2A3.A$21.2A.2A2.A2.A.A$25.A.A3.A.A$21.
2A.A2.4A.A$21.2A.A.A3.A$22.2B.A.A3.A$22.3B.A.A3.A$22.4B.A3.2A$23.4B
19.A$24.4B16.3A$25.10B8.A$18.2A6.5BD4B7.2A$18.2A7.2B3D4B2.B.5B$3.2A
21.3BDBD4B.6B$2.A2.A21.2BD13B7.7B.B$.A.2A22.18B.B3.13B.B$.A27.19BD21B
$2A29.18BD21BD15.2A9.2A$15.2A15.17B2D18B3DB8.2A6.A7.A6.2A$15.A15.17B
2D2B2A15BDBD9.2A7.A5.A7.2A$16.3A12.7B.9BD3B2A15BD16.A2.A7.A2.A$18.A
10.2AB.3B4.6B2.11B3.2B2.2B10.2A5.A15.A5.2A$28.A.AB9.4B3.10B20.2A6.2A
2.3A.3A2.2A6.2A$28.A10.5B5.6B35.A.A.A.A$.A25.2A10.2A9.3B39.A.A$.2A37.
A9.B30.A23.A$A.A34.3A9.2A29.A.A21.A.A$37.A11.A27.A4.A21.A4.A$50.3A24.
A31.A$52.A25.A.A25.A.A$79.A2.2A19.2A2.A$82.A21.A$82.3A17.3A2$82.3A17.
3A$82.A21.A$79.A2.2A19.2A2.A$78.A.A25.A.A$77.A31.A$77.A4.A21.A4.A$80.
A.A21.A.A$81.A23.A$92.A.A$90.A.A.A.A$78.2A6.2A2.3A.3A2.2A6.2A$78.2A5.
A15.A5.2A$86.A2.A7.A2.A$81.2A7.A5.A7.2A$81.2A6.A7.A6.2A$87.2A9.2A!

Connect one of the gliders up to a Herschel-factory input like the above, and leave the other glider as the output, and you have a gun -- at least, I think that was the idea. If something like this worked at half the period we might end up with a true-period p51, but gliders don't get out of the way of Herschels fast enough, and we don't have a fast enough G-to-H anyway.

[2718281828]

I did not know that the actual p102 gun is so small. I was searching for something which
could lead to a p51 gun, and I though this H->G+G might be interesting. Unfortunately, all common conduit inputs + the p51 oscillator give nothing really useful for the p51 gun, at least not trivially.

Still, there are two rather fast ways to transform an R to G (might be slightly more useful than the stable converters we have) and a very fast B to G (right, 7 ticks, shown from an R)

Code: Select all

x = 155, y = 52, rule = LifeHistory
3$24.2A$23.2A41.A5.A$24.A41.2A3.2A$66.A5.A$57.2A2.3A11.3A2.2A30.2A7.
2A$19.2A.2A33.2A2.2A13.2A2.2A23.2A4.A2.A5.A2.A4.2A$17.2A.A.A.2A35.A3.
A7.A3.A27.2A4.5A3.5A4.2A$16.3A.A.A.3A27.2A6.2A.A7.A.2A6.2A30.2A.2A$9.
2A5.3A5.3A5.2A20.2A6.2A11.2A6.2A17.2A11.2A.2A11.2A$9.2A7.A.A.A.A7.2A
33.A3.A30.2A9.2A.A.A.2A9.2A$17.2A5.2A41.A3.A41.2A.A.A.2A$6.2A9.3A3.3A
9.2A17.3A10.A3.A10.3A29.2A3.2A$6.2A6.A2.2A5.2A2.A6.2A17.2A.2A7.A5.A7.
2A.2A$12.A.A13.A.A23.A2.2A5.2A.2A.2A.2A5.2A2.A$11.A.2A13.2A.A31.A.A.A
3.A.A.A26.2A27.2A$12.A17.A25.2A5.2A.A5.A.2A5.2A18.A.A27.A.A$10.3A17.
3A18.3A8.A2.A7.A2.A8.3A13.A.A2.2A19.2A2.A.A$52.A6.3A.2A9.2A.3A6.A15.
2A2.3A17.3A2.2A$5.2A29.2A25.A11.A27.3A2.A17.A2.3A$4.3A.3A21.3A.3A65.
4A19.4A$4.7A21.7A24.A11.A63.D$3.A5.A23.A5.A12.A6.3A.2A9.2A.3A6.A17.4A
19.4A7.2D$3.3A.A27.A.3A11.3A8.A2.A7.A2.A8.3A15.3A2.A17.A2.3A5.2D11.2A
$56.2A5.2A.A5.A.2A5.2A19.2A2.3A17.3A2.2A5.D10.2A$3.3A.A27.A.3A23.A.A.
A3.A.A.A25.A.A2.2A19.2A2.A.A5.D10.A$3.A5.A23.A5.A14.A2.2A5.2A.2A.2A.
2A5.2A2.A16.A.A27.A.A$4.7A21.7A15.2A.2A7.A5.A7.2A.2A17.2A27.2A$4.3A.
3A21.3A.3A15.3A10.A3.A10.3A$5.2A29.2A29.A3.A$67.A3.A42.2A3.2A$10.3A
17.3A21.2A6.2A11.2A6.2A28.2A.A.A.2A$12.A17.A23.2A6.2A.A7.A.2A6.2A17.
2A9.2A.A.A.2A9.2A$11.A.2A13.2A.A29.A3.A7.A3.A24.2A11.2A.2A11.2A$12.A.
A13.A.A26.2A2.2A13.2A2.2A33.2A.2A$6.2A6.A2.2A5.2A2.A6.2A20.2A2.3A11.
3A2.2A23.2A4.5A3.5A4.2A$6.2A9.3A3.3A9.2A29.A5.A32.2A4.A2.A5.A2.A4.2A$
17.2A5.2A40.2A3.2A39.2A7.2A$9.2A7.A.A.A.A7.2A32.A5.A$9.2A5.3A5.3A5.2A
$16.3A.A.A.3A$17.2A.A.A.2A$19.2A.2A2$67.2A$66.2A$67.A!

Edit1:
This pi to C+C looks quite promising for a p51 gun, it takes 36 ticks and is quite clean, the C at a useful position to work with some stable or p3 conduits:

Code: Select all

x = 46, y = 57, rule = LifeHistory
4$19.2A3.2A$17.A4B.4BA$16.BA3BA.A3BAB$15.4BABA.ABA4B$11.B2.4B2ABA.AB
2A4B2.B$10.2AB.6BAB.BA6B.B2A$10.2A10B.10B2A$11.B.5BA3B.3BA5B.B$7.2A4.
B2ABABA2B.2BABAB2AB4.2A$6.B2AB3.2A2BA4B.4BA2B2A3.B2AB$7.2B4.5B3AB.B3A
5B4.2B$8.3BAB.B2A3BAB.BA3B2AB.BA3B$6.4B2A2B.3A4B.4B3A.2B2A4B$5.5BA2B
2A.2A4B.4B2A.2A2BA5B$4.9B3A.5B.5B.3A9B$3.2A5B2A2B2AB.BA2B.2BAB.B2A2B
2A5B2A$3.3BA2BA2BA5B.2BA.A2B.5BA2BA2BA3B$2.A2B2A3BABA4BAB.A3.A.BA4BAB
A3B2A2BA$2.A4BA4B2A5BA5.A5B2A4BA4BA$3.B3A11BA7.A11B3AB2$3.B3A11BA7.A
11B3AB$2.A4BA4B2A5BA5.A5B2A4BA4BA$2.A2B2A3BABA4BAB.A3.A.BA4BABA3B2A2B
A$3.3BA2BA2BA5B.2BA.A2B.5BA2BA2BA3B$3.2A5B2A2B2AB.BA2B.2BAB.B2A2B2A5B
2A$4.9B3A.5B.5B.3A9B$5.5BA2B2A.2A4B.4B2A.2A2BA5B$6.4B2A2B.3A4B.4B3A.
2B2A4B$8.3BAB.B2A3BAB.BA3B2AB.BA3B$7.2B4.5B3AB.B3A5B4.2B$6.B2AB3.2A2B
A4B.4BA2B2A3.B2AB$7.2A4.B2ABABA2B.2BABAB2AB4.2A$11.B.5BA3B.3BA5B.B$
10.2A10B.10B2A$10.2AB.6BAB.BA6B.B2A$11.B2.4B2ABA.AB2A4B2.B$15.4BABA.A
BA4B$16.BA3BA.A3BAB$17.A4B.4BA$17.2B2A3B2A2B$15.B2.9B2.B$11.23B$10.3D
19B3D$10.D23BD$9.B2DBD7B3C7BDB2DB$9.3B2D7BC.C7B2D3B$10.11BC.C11B$16.
4B5.4B$17.3B5.3B!

Edit2: 7 other candidates with potential use:
pi to: 2TL, 2TL, 2HF, nothing, 2B + unpleasant noise, 2B + unpleasant blinker, 2G + unpleasant TL

Code: Select all

x = 196, y = 125, rule = LifeHistory
4$24.A5.A37.2A3.2A41.3A3.3A39.3A7.3A$22.4A3.4A32.2A.2A3.2A.2A36.2A.A.
A.A.A.2A40.A5.A$21.2A3.A.A3.2A31.2A3.A.A3.2A41.A.A40.2A4.A3.A4.2A$24.
2A3.2A35.A.2A3.2A.A37.2A.3A.3A.2A31.2A7.2A3.2A7.2A$15.2A6.2A5.2A6.2A
19.2A6.A.A3.A.A6.2A24.2A8.A3.A8.2A25.2A2.2A4.A3.A4.2A2.2A$15.2A6.A7.A
6.2A19.2A5.3A5.3A5.2A24.2A7.A5.A7.2A29.2A13.2A$20.2A11.2A29.3A9.3A34.
A13.A27.2A6.A2.A.2A.2A.A2.A6.2A$12.2A6.A.A9.A.A6.2A13.2A6.A.A9.A.A6.
2A18.2A6.A2.A7.A2.A6.2A19.2A6.A2.A7.A2.A6.2A$12.2A7.A11.A7.2A13.2A7.A
.A7.A.A7.2A18.2A6.2A.2A5.2A.2A6.2A30.A7.A$22.2A.A3.A.2A32.A.A.A3.A.A.
A35.2A11.2A38.A7.A$21.A.3A3.3A.A31.A3.A3.A3.A35.2A3.2A.2A3.2A26.A.2A
7.2A.2A.2A.2A7.2A.A$22.A9.A32.2A2.A3.A2.2A36.2A9.2A27.A.4A6.A.A3.A.A
6.4A.A$14.2A6.A2.A3.A2.A6.2A17.2A23.2A22.5A5.A.A.A.A5.5A18.A14.A5.A
14.A$10.A3.A.A.A6.A3.A6.A.A.A3.A8.2A3.A.4A4.3A.3A4.4A.A3.2A12.A.A4.4A
4.A.A.A.A4.4A4.A.A13.A9.A15.A9.A$9.2A4.A.A.2A4.A3.A4.2A.A.A4.2A7.3A.
3A3.A5.2A.2A5.A3.3A.3A12.A.A7.A15.A7.A.A13.A5.6A13.6A5.A$9.A2.2A3.2A
5.2A3.2A5.2A3.2A2.A10.2A2.2A6.2A3.2A6.2A2.2A14.A6.2A7.3A.3A7.2A6.A13.
A.A8.A11.A8.A.A$8.2A.2A5.A4.A7.A4.A5.2A.2A5.2A.A.A7.A.A7.A.A7.A.A.2A
10.2A.A.A2.A3.2A.A7.A.2A3.A2.A.A.2A14.3A.A3.2A13.2A3.A.3A$9.A.A5.2A.
4A7.4A.2A5.A.A6.2A.2A4.3A.3A7.3A.3A4.2A.2A10.A2.2A5.A4.A7.A4.A5.2A2.A
18.A3.A15.A3.A$10.A33.A9.A10.2A9.2A10.A13.3A6.A.2A.A7.A.2A.A6.3A$158.
A3.A15.A3.A$10.A33.A9.A10.2A9.2A10.A13.3A6.A.2A.A7.A.2A.A6.3A15.3A.A
3.2A13.2A3.A.3A$9.A.A5.2A.4A7.4A.2A5.A.A6.2A.2A4.3A.3A7.3A.3A4.2A.2A
10.A2.2A5.A4.A7.A4.A5.2A2.A13.A.A8.A11.A8.A.A$8.2A.2A5.A4.A7.A4.A5.2A
.2A5.2A.A.A7.A.A7.A.A7.A.A.2A10.2A.A.A2.A3.2A.A7.A.2A3.A2.A.A.2A12.A
5.6A13.6A5.A$9.A2.2A3.2A5.2A3.2A5.2A3.2A2.A10.2A2.2A6.2A3.2A6.2A2.2A
14.A6.2A7.3A.3A7.2A6.A12.A9.A15.A9.A$9.2A4.A.A.2A4.A3.A4.2A.A.A4.2A7.
3A.3A3.A5.2A.2A5.A3.3A.3A12.A.A7.A15.A7.A.A13.A14.A5.A14.A$10.A3.A.A.
A6.A3.A6.A.A.A3.A8.2A3.A.4A4.3A.3A4.4A.A3.2A12.A.A4.4A4.A.A.A.A4.4A4.
A.A15.A.4A6.A.A3.A.A6.4A.A$14.2A6.A2.A3.A2.A6.2A17.2A23.2A22.5A5.A.A.
A.A5.5A20.A.2A7.2A.2A.2A.2A7.2A.A$22.A9.A32.2A2.A3.A2.2A36.2A9.2A39.A
7.A$21.A.3A3.3A.A31.A3.A3.A3.A35.2A3.2A.2A3.2A38.A7.A$22.2A.A3.A.2A
32.A.A.A3.A.A.A35.2A11.2A27.2A6.A2.A7.A2.A6.2A$12.2A7.A11.A7.2A13.2A
7.A.A7.A.A7.2A18.2A6.2A.2A5.2A.2A6.2A19.2A6.A2.A.2A.2A.A2.A6.2A$12.2A
6.A.A9.A.A6.2A13.2A6.A.A9.A.A6.2A18.2A6.A2.A7.A2.A6.2A26.2A13.2A$20.
2A11.2A29.3A9.3A34.A13.A30.2A2.2A4.A3.A4.2A2.2A$15.2A6.A7.A6.2A19.2A
5.3A5.3A5.2A24.2A7.A5.A7.2A25.2A7.2A3.2A7.2A$15.2A6.2A5.2A6.2A19.2A6.
A.A3.A.A6.2A24.2A8.A3.A8.2A29.2A4.A3.A4.2A$24.2A3.2A35.A.2A3.2A.A37.
2A.3A.3A.2A40.A5.A$21.2A3.A.A3.2A31.2A3.A.A3.2A41.A.A42.3A7.3A$22.4A
3.4A32.2A.2A3.2A.2A36.2A.A.A.A.A.2A$24.A5.A37.2A3.2A41.3A3.3A5$26.3A
41.3A$26.A.A41.A.A96.3A$26.A.A41.A.A46.3A47.A.A$119.A.A47.A.A$119.A.A
20$84.A9.A44.2A7.2A$26.A5.A50.3A7.3A45.A5.A$26.2A3.2A49.A.3A5.3A.A41.
A2.A5.A2.A$26.A5.A44.2A2.2A3.2A3.2A3.2A2.2A36.2A3.A.A3.2A$17.2A2.3A
11.3A2.2A35.2A2.2A13.2A2.2A30.2A9.A.A9.2A$17.2A2.2A13.2A2.2A43.A.A3.A
.A38.2A3.A2.A7.A2.A3.2A$21.A3.A7.A3.A36.2A5.A3.A.A3.A.A3.A5.2A31.A.A.
A2.A.A2.A.A.A$14.2A6.2A.A7.A.2A6.2A29.2A5.A.A.A.A3.A.A.A.A5.2A24.2A6.
2A2.A5.A2.2A6.2A$14.2A6.2A11.2A6.2A39.2A7.2A34.2A27.2A$27.A3.A53.A.A
3.A.A47.A5.A$27.A3.A42.2A.2A6.A.A3.A.A6.2A.2A37.A3.A$14.3A10.A3.A10.
3A28.3A9.3A3.3A9.3A25.A10.2A.2A10.A$14.2A.2A7.A5.A7.2A.2A27.A5.A21.A
5.A23.A.A6.A3.A.A3.A6.A.A$14.A2.2A5.2A.2A.2A.2A5.2A2.A26.3A5.A19.A5.
3A19.2A2.2A7.3A3.3A7.2A2.2A$23.A.A.A3.A.A.A36.2A2.7A13.7A2.2A18.A2.A
8.A13.A8.A2.A$16.2A5.2A.A5.A.2A5.2A30.2A7.A13.A7.2A19.A4.2A6.A11.A6.
2A4.A$11.3A8.A2.A7.A2.A8.3A26.A.3A.3A13.3A.3A.A21.2A4.A.A3.A11.A3.A.A
4.2A$12.A6.3A.2A9.2A.3A6.A88.2A.A11.A.2A$23.A11.A92.2A.A4.2A13.2A4.A.
2A2$23.A11.A38.A.3A.3A13.3A.3A.A23.2A.A4.2A13.2A4.A.2A$12.A6.3A.2A9.
2A.3A6.A26.2A7.A13.A7.2A29.2A.A11.A.2A$11.3A8.A2.A7.A2.A8.3A24.2A2.7A
13.7A2.2A19.2A4.A.A3.A11.A3.A.A4.2A$16.2A5.2A.A5.A.2A5.2A28.3A5.A19.A
5.3A17.A4.2A6.A11.A6.2A4.A$23.A.A.A3.A.A.A36.A5.A21.A5.A18.A2.A8.A13.
A8.A2.A$14.A2.2A5.2A.2A.2A.2A5.2A2.A28.3A9.3A3.3A9.3A21.2A2.2A7.3A3.
3A7.2A2.2A$14.2A.2A7.A5.A7.2A.2A29.2A.2A6.A.A3.A.A6.2A.2A25.A.A6.A3.A
.A3.A6.A.A$14.3A10.A3.A10.3A40.A.A3.A.A37.A10.2A.2A10.A$27.A3.A52.2A
7.2A47.A3.A$27.A3.A42.2A5.A.A.A.A3.A.A.A.A5.2A36.A5.A$14.2A6.2A11.2A
6.2A29.2A5.A3.A.A3.A.A3.A5.2A24.2A27.2A$14.2A6.2A.A7.A.2A6.2A40.A.A3.
A.A35.2A6.2A2.A5.A2.2A6.2A$21.A3.A7.A3.A39.2A2.2A13.2A2.2A34.A.A.A2.A
.A2.A.A.A$17.2A2.2A13.2A2.2A35.2A2.2A3.2A3.2A3.2A2.2A30.2A3.A2.A7.A2.
A3.2A$17.2A2.3A11.3A2.2A40.A.3A5.3A.A35.2A9.A.A9.2A$26.A5.A50.3A7.3A
42.2A3.A.A3.2A$26.2A3.2A51.A9.A43.A2.A5.A2.A$26.A5.A108.A5.A$139.2A7.
2A9$28.3A57.3A52.3A$28.A.A57.A.A52.A.A$28.A.A57.A.A52.A.A!

[Freywa]

Without much optimisation, here is a p102 gun using the 112P51+H reaction:

Code: Select all

x = 137, y = 74, rule = B3/S23
102b2o$102bobo$104bo4b2o$100b4ob2o2bo2bo$65b2o33bo2bobobobob2o$65bobo
35bobobobo$67bo4b2o30b2obobo$63b4ob2o2bo2bo32bo$63bo2bobobobob2o$66bob
obobo21b2o$67b2obobo22bo7b2o$71bo23bobo5b2o$96b2o$57b2o46b2o$58bo7b2o
36b3o$58bobo5b2o37bo$59b2o66bo$125b3o$124bo$106b2o16b2o$106bo$107b3o$
10b2o9b2o86bo22b2o$4b2o6bo7bo6b2o40b2o62bo$4b2o7bo5bo7b2o40bo9bo53bob
2o$9bo2bo7bo2bo46b3o7b2o43b2o4b3o2bo$b2o5bo15bo5b2o40bo6b2o44b2o3bo3b
2o$b2o6b2o2b3ob3o2b2o6b2o67b2o29b4o$13bobobobo80bo15b2o15bo$15bobo37bo
42bo16bobo12b3o$4bo23bo26b2o39b4o15bo13bo$3bobo21bobo24bobo38bo4bo13b
2o14b5o$o4bo21bo4bo61bob5o19bo13bo$o31bo61bo6b2o17bobo9bo$bobo25bobo
50b2o9b2obobobo2bo16b2o10b2o$2bo2b2o19b2o2bo51b2o2b2o5bo2bobobob2o$5bo
21bo58bobo5b2obo2bo$5b3o17b3o59bo5bo3bob2o$93b2obobo$5b3o17b3o56b2o8bo
bobo$5bo21bo57bo8bo2bo$2bo2b2o19b2o2bo51b3o10b2o$bobo25bobo25bo24bo$o
31bo24b3o$o4bo21bo4bo27bo11bo$3bobo21bobo29b2o9b3o$4bo23bo40bo$15bobo
51b2o10b2o$13bobobobo61bo$b2o6b2o2b3ob3o2b2o6b2o47bobo$b2o5bo15bo5b2o
47b2o10bo$9bo2bo7bo2bo16bo15b2o33b3o$4b2o7bo5bo7b2o9bobo15b2o36bo$4b2o
6bo7bo6b2o9b3o52b2o$10b2o9b2o15bo37bo31b2o$75bob2o29bo$74b2obob2o24b2o
bo$78bo16bo8bo2bo$80bobo11bo10b2o$90b2o2b3o$65b2o14b2o7b2o$66bo$63b3o$
63bo$77b2o3bo$77bo3bobo$78bo3bobo$79bo3bobob2o$77bob4o2bob2o$76bobo3bo
bo$76bobo2bo2b2ob2o$77bo3b2o2bobo$85bobo10b2o$86bo11b2o!

Edit: using p6 bumpers removes one glider and significantly reduces the bounding box:

Code: Select all

x = 123, y = 65, rule = B3/S23
75bo2bo$59bo15bo$59b3o12bo4bo$62bo10bobo2b2o$61b2o8b2obo2$66bo21bo$65b
obo3bo2bo13b3o10b2o$65bo2bo4b2o16bo8bo2bo$66b2o22b2o8bobobo$99b2obobo$
93bo3bo3bobob2o$92bobo2bob2o2bo2bo$10b2o9b2o65b2o2b2o3bo4bobobob2o$4b
2o6bo7bo6b2o59b2o9b2obo2b2o2bo$4b2o7bo5bo7b2o71bo2bo3b2o$9bo2bo7bo2bo
76bob2ob2o$b2o5bo15bo5b2o69bo4bo$b2o6b2o2b3ob3o2b2o6b2o70b4o$13bobobob
o84bo$15bobo37bo50bo$4bo23bo26b2o48b2o6bo$3bobo21bobo24bobo22bo31b3o$o
4bo21bo4bo44bobo30bo$o31bo45b2o22bo7b2o$bobo25bobo68bobo$2bo2b2o19b2o
2bo70b2o$5bo21bo90b2o$5b3o17b3o54b2o35bo$81bo2bo4b2o28bob2o$5b3o17b3o
53bobo4bobo20b2o4b3o2bo$5bo21bo54bo4b3o21b2o3bo3b2o$2bo2b2o19b2o2bo56b
2o27b4o$bobo25bobo25bo19b2o9bobo11b2o15bo$o31bo24b3o18bo10bobo2b2o5bob
o12b3o$o4bo21bo4bo27bo11bo2b3o12bo2bobo5bo13bo$3bobo21bobo29b2o9b3o2bo
15b4o5b2o14b5o$4bo23bo40bo22b2o26bo$15bobo51b2o10b2o35bo$13bobobobo61b
o36b2o$b2o6b2o2b3ob3o2b2o6b2o47bobo$b2o5bo15bo5b2o47b2o10bo$9bo2bo7bo
2bo16bo15b2o33b3o$4b2o7bo5bo7b2o9bobo15b2o36bo$4b2o6bo7bo6b2o9b3o52b2o
$10b2o9b2o15bo37bo31b2o$75bob2o29bo$74b2obob2o24b2obo$78bo16bo8bo2bo$
80bobo11bo10b2o$90b2o2b3o$65b2o14b2o7b2o$66bo$63b3o$63bo$77b2o3bo$77bo
3bobo$78bo3bobo$79bo3bobob2o$77bob4o2bob2o$76bobo3bobo$76bobo2bo2b2ob
2o$77bo3b2o2bobo$85bobo10b2o$86bo11b2o!

[BlinkerSpawn]

Removing two more rows is a relatively simple affair:

Code: Select all

x = 127, y = 63, rule = LifeHistory
77.B2AB$61.A14.B4A8.A$61.3A12.A2BABA7.3A10.2A$64.A9.BA.A.B2A10.A8.A2.
A$63.2A8.BABA3.B10.2A8.A.A.A$63.5B5.2AB15.4B5.2A.A.A$65.3BAB3.3AB16.B
AB2.2BA.B.A.2A$17.2B3.2B40.3BABA4BABAB14.BABA.3B3A.A2.A$15.5B.5B37.4B
A2BA2B2.2A12.2A.B2A2B.2BA.BABA.A.2A$14.6B.6B37.4B2A3B16.2A7B2.2A.4BA
2.A$13.7B.7B37.6B19.7B4.A.A2B2.2A$9.B2.3B2A3B.3B2A3B2.B34.5B19.7B4.A.
5A$8.2AB.2BA2BA2B.2BA2BA2B.B2A32.7B19.6B5.A4.A$8.2A5BA2BAB.BA2BA5B2A
31.4B.4B17.8B5.4A$9.B.4BA2BAB.BA2BA4B.B31.4B3.4B15.4B2.4B6.A$5.2A4.8B
A.A8B4.2A26.4B5.4B13.4B4.4B7.A$4.B2AB3.5BA2BA.A2BA5B3.B2AB24.4B7.4B
11.4B6.4B5.2A$5.2B4.5B2ABA.AB2A5B4.2B24.4B9.4B9.4B8.4B$6.5B.6BAB.BA6B
.5B24.3AB11.4B7.4B10.4B$4.8B.7B.7B.8B21.3BA13.4B5.4B12.4B13.A$3.10B.
6B.6B.10B19.3BA15.4B3.4B14.4B10.3A$2.3BA8B.5B.5B.8BA3B17.4B17.4B.4B
16.4B8.A$.3BAB2A7B.4B.4B.7B2ABA3B15.4B19.4BA2B18.4B7.2A$.3BA4B2A5B.3B
.3B.5B2A4BA3B14.4B21.2B2AB20.BABA3.5B$5BA4BA6B.B3.B.6BA4BA5B12.4B21.
2BA3B21.B2AB2.3B$6B2A3BA6B5.6BA3B2A6B11.4B21.2B2A5B20.A8B7.2A$.7B3A6B
7.6B3A7B11.4B21.4BA3BAB2.2A17.8B8.A$50.4B23.10BA2BA17.10B3.B.A.2A$.7B
3A6B7.6B3A7B9.4B25.5B3.BA2B18.7B2A2B.B3A2.A$6B2A3BA6B5.6BA3B2A6B7.4B
19.2A3.5B5.BAB19.7B2A3BAB2.2A$5BA4BA6B.B3.B.6BA4BA5B6.4B20.A4.2A8.BAB
A3.A14.12B4A$.3BA4B2A5B.3B.3B.5B2A4BA3B6.4B11.A11.A3.A9.BA.A.2BA11.2A
B.7B3.2B.A$.3BAB2A7B.4B.4B.7B2ABA3B5.4B12.3A8.5A12.A4BA10.A.AB.7B2.B
3A$2.3BA8B.5B.5B.8BA3B5.4B16.A24.B4A11.A5.4B4.A$3.10B.6B.6B.10B5.4B
16.2A9.5A.A9.4B10.2A5.4B5.5A$4.8B.7B.7B.8B5.4B17.B9.A3.A.2A29.4B10.A$
6.5B.6BAB.BA6B.5B4.6B16.3B9.2A10.2A22.4B9.A$5.2B4.5B2ABA.AB2A5B4.3B.
6B15.6B5.5B10.A22.4B10.2A$4.B2AB3.5BA2BA.A2BA5B3.B2A9B11.10B3.4B9.BA.
A21.4B$5.2A4.8BA.A8B4.2A12B2.2B3.11B2.6B4.3B.B2A10.A10.4B$9.B.4BA2BAB
.BA2BA4B.B3.2B.4B4A14B2A13B.7B12.3A7.4B$8.2A5BA2BAB.BA2BA5B2A5.3BA18B
2A21B15.A5.4B$8.2AB.2BA2BA2B.2BA2BA2B.B2A5.2BA4BA34BAB15.2A4.4B$9.B2.
3B2A3B.3B2A3B2.B6.3BAB2A34B2A2B14.9B6.2A$13.7B.7B11.3BA35BA2B2A2B14.
6B7.A$14.6B.6B19.4B.13B3.B.9B2A4BA3B2.2B2.B3.6B5.2A.A$15.5B.5B21.4B4.
B.7B7.11B3A19B4.A2.A$17.2B3.2B24.4B19.6B.5B2A14BA5B3.B2A$49.4B16.5B.B
2.16B2AB2A11B$50.4B15.2A7.16B2A2B2A9B$51.4B15.A8.29B$52.4B11.3A16.2B.
B.17B$53.4B10.A17.3B4.15B$54.4B23.2A.2BA5.15B$55.4B22.A.2BA.A5.13B$
56.4B22.A2.BA.A2.13B$57.4B22.A3.A.A.2A4.8B$58.4B19.A.4A2.AB2A6.6B$59.
4B17.A.A3.A.A2.B8.5B$60.4B16.A.A2.A2.2A.2A9.B.B$61.3BA16.A3.2A2.A.A9.
3B$62.3BA23.A.A9.B2AB$63.3AB23.A11.2A!

But as dvgrn already mentioned, that's nowhere near good enough.
(Note: this pattern is four columns wider, but only because of the p51's reaction envelope)

[Entity Valkyrie]

I'm intrested in the p51 gun.

[dani]

Removing two more rows is a relatively simple affair:

Is there any reason that the Conduit 1 contains an eater instead of a snake like here:

Code: Select all

x = 127, y = 63, rule = LifeHistory
77.B2AB$61.A14.B4A8.A$61.3A12.A2BABA7.3A10.2A$64.A9.BA.A.B2A10.A8.A2.
A$63.2A8.BABA3.B10.2A8.A.A.A$63.5B5.2AB15.4B5.2A.A.A$65.3BAB3.3AB16.B
AB2.2BA.B.A.2A$17.2B3.2B40.3BABA4BABAB14.BABA.3B3A.A2.A$15.5B.5B37.4B
A2BA2B2.2A12.2A.B2A2B.2BA.BABA.A.2A$14.6B.6B37.4B2A3B16.2A7B2.2A.4BA
2.A$13.7B.7B37.6B19.7B4.A.A2B2.2A$9.B2.3B2A3B.3B2A3B2.B34.5B19.7B4.A.
5A$8.2AB.2BA2BA2B.2BA2BA2B.B2A32.7B19.6B5.A4.A$8.2A5BA2BAB.BA2BA5B2A
31.4B.4B17.8B5.4A$9.B.4BA2BAB.BA2BA4B.B31.4B3.4B15.4B2.4B6.A$5.2A4.8B
A.A8B4.2A26.4B5.4B13.4B4.4B7.A$4.B2AB3.5BA2BA.A2BA5B3.B2AB24.4B7.4B
11.4B6.4B5.2A$5.2B4.5B2ABA.AB2A5B4.2B24.4B9.4B9.4B8.4B$6.5B.6BAB.BA6B
.5B24.3AB11.4B7.4B10.4B$4.8B.7B.7B.8B21.3BA13.4B5.4B12.4B13.A$3.10B.
6B.6B.10B19.3BA15.4B3.4B14.4B10.3A$2.3BA8B.5B.5B.8BA3B17.4B17.4B.4B
16.4B8.A$.3BAB2A7B.4B.4B.7B2ABA3B15.4B19.4BA2B18.4B7.2A$.3BA4B2A5B.3B
.3B.5B2A4BA3B14.4B21.2B2AB20.BABA3.5B$5BA4BA6B.B3.B.6BA4BA5B12.4B21.
2BA3B21.B2AB2.3B$6B2A3BA6B5.6BA3B2A6B11.4B21.2B2A5B20.A8B7.2A$.7B3A6B
7.6B3A7B11.4B21.4BA3BAB2.2A17.8B8.A$50.4B23.10BA2BA17.10B3.B.A.2A$.7B
3A6B7.6B3A7B9.4B25.5B3.BA2B18.7B2A2B.B3A2.A$6B2A3BA6B5.6BA3B2A6B7.4B
19.2A3.5B5.BAB19.7B2A3BAB2.2A$5BA4BA6B.B3.B.6BA4BA5B6.4B20.A4.2A8.BAB
A3.A14.12B4A$.3BA4B2A5B.3B.3B.5B2A4BA3B6.4B13.2A8.A3.A9.BA.A.2BA11.2A
B.7B3.2B.A$.3BAB2A7B.4B.4B.7B2ABA3B5.4B14.A8.5A12.A4BA10.A.AB.7B2.B3A
$2.3BA8B.5B.5B.8BA3B5.4B16.A24.B4A11.A5.4B4.A$3.10B.6B.6B.10B5.4B16.
2A9.5A.A9.4B10.2A5.4B5.5A$4.8B.7B.7B.8B5.4B17.B9.A3.A.2A29.4B10.A$6.
5B.6BAB.BA6B.5B4.6B16.3B9.2A10.2A22.4B9.A$5.2B4.5B2ABA.AB2A5B4.3B.6B
15.6B5.5B10.A22.4B10.2A$4.B2AB3.5BA2BA.A2BA5B3.B2A9B11.10B3.4B9.BA.A
21.4B$5.2A4.8BA.A8B4.2A12B2.2B3.11B2.6B4.3B.B2A10.A10.4B$9.B.4BA2BAB.
BA2BA4B.B3.2B.4B4A14B2A13B.7B12.3A7.4B$8.2A5BA2BAB.BA2BA5B2A5.3BA18B
2A21B15.A5.4B$8.2AB.2BA2BA2B.2BA2BA2B.B2A5.2BA4BA34BAB15.2A4.4B$9.B2.
3B2A3B.3B2A3B2.B6.3BAB2A34B2A2B14.9B6.2A$13.7B.7B11.3BA35BA2B2A2B14.
6B7.A$14.6B.6B19.4B.13B3.B.9B2A4BA3B2.2B2.B3.6B5.2A.A$15.5B.5B21.4B4.
B.7B7.11B3A19B4.A2.A$17.2B3.2B24.4B19.6B.5B2A14BA5B3.B2A$49.4B16.5B.B
2.16B2AB2A11B$50.4B15.2A7.16B2A2B2A9B$51.4B15.A8.29B$52.4B11.3A16.2B.
B.17B$53.4B10.A17.3B4.15B$54.4B23.2A.2BA5.15B$55.4B22.A.2BA.A5.13B$
56.4B22.A2.BA.A2.13B$57.4B22.A3.A.A.2A4.8B$58.4B19.A.4A2.AB2A6.6B$59.
4B17.A.A3.A.A2.B8.5B$60.4B16.A.A2.A2.2A.2A9.B.B$61.3BA16.A3.2A2.A.A9.
3B$62.3BA23.A.A9.B2AB$63.3AB23.A11.2A!

[Freywa]

Is there any reason that the Conduit 1 contains an eater instead of a snake like here:

Oh, that's because dvgrn put it that way in responding to my claim that connecting the reaction to known Herschel conduits was a problem.

[2718281828]

smallest lwss gun? (population 73)

Code: Select all

x = 49, y = 40, rule = B3/S23
20b2o$20b2o3$21bo$20b3o$19bo3bo$21bo7b2o$18bo5bo4b2o$18bo5bo$19bo3bo$
20b3o9b2o$32b2o$9bo$7bobo19b2o$2o4bobo20b2o$2o3bo2bo$6bobo$7bobo$9bo
29b3o$40bo$38b3o10$40b2o5b2o$40b2o6bo$47bo$37b2o8b2o$37b2o3$40b2o$40b
2o!

The mechanism looks known but I did not see it so far.
Edit1: The mechanism is in jslife p60 guns.