Thread for your unsure discoveries

[EricG]

Trying to make weekender eater, is there anything I'm missing?

As an exercise, that's a fine thing to work on, and I have no advice other than to keep at it.

But here is something you might be missing: each of the forums on Conwaylife.com/forums has a search function (look for the box that says "search this forum"). If you type "weekender eater" (no quotes necessary) into the search box, you'll get to see various posts with weekender eaters which have already been discovered.

For example, see this weekender eater, by "knightlife", here: viewtopic.php?f=2&t=315&p=1851&hilit=we ... ater#p1851
You'll also see that there is a relevant thread called "Spaceship eaters".

These forums are an incredible resource and it is really worthwhile to look through old postings before making a new posting!

[muzik]

But here is something you might be missing: each of the forums on Conwaylife.com/forums has a search function (look for the box that says "search this forum"). If you type "weekender eater" (no quotes necessary) into the search box, you'll get to see various posts with weekender eaters which have already been discovered.

For example, see this weekender eater, by "knightlife", here: viewtopic.php?f=2&t=315&p=1851&hilit=we ... ater#p1851

Did that, I' just wanting to see if I can find more compact one.


Also, was just messing around and found women's interesting:

Code: Select all

x = 60, y = 59, rule = B3/S23
45b2o$45b2o$38b2o10b2o$38b2o10b2o$31b2o14bo$31b2o13bobo$24b2o20bobo$
24b2o13b2ob2o3bo$17b2o20b2ob2o$17b2o13b2ob2o10b2o$10b2o20b2ob2o10b2o$
10b2o13b2ob2o10b2o10b2o$3b2o20b2ob2o10b2o10b2o$3b2o13b2ob2o10b2o14bo$
18b2ob2o10b2o13bobo$11b2ob2o10b2o20bobo$11b2ob2o10b2o13b2ob2o3bo$4b2ob
2o10b2o20b2ob2o$4b2ob2o10b2o13b2ob2o10b2o$2o10b2o20b2ob2o10b2o$2o10b2o
13b2ob2o10b2o10b2o$5b2o20b2ob2o10b2o10b2o$5b2o13b2ob2o10b2o14bo$20b2ob
2o10b2o13bobo$13b2ob2o10b2o20bobo$13b2ob2o10b2o13b2ob2o3bo$6b2ob2o10b
2o20b2ob2o$6b2ob2o10b2o13b2ob2o10b2o$2b2o10b2o20b2ob2o10b2o$2b2o10b2o
13b2ob2o10b2o10b2o$7b2o20b2ob2o10b2o10b2o$7b2o13b2ob2o10b2o14bo$22b2ob
2o10b2o13bobo$15b2ob2o10b2o20bobo$15b2ob2o10b2o13b2ob2o3bo$8b2ob2o10b
2o20b2ob2o$8b2ob2o10b2o13b2ob2o10b2o$4b2o10b2o20b2ob2o10b2o$4b2o10b2o
13b2ob2o10b2o10b2o$9b2o20b2ob2o10b2o10b2o$9b2o13b2ob2o10b2o14bo$24b2ob
2o10b2o13bobo$17b2ob2o10b2o20bobo$17b2ob2o10b2o13b2ob2o3bo$10b2ob2o10b
2o20b2ob2o$10b2ob2o10b2o13b2ob2o10b2o$6b2o10b2o20b2ob2o10b2o$6b2o10b2o
13b2ob2o10b2o$11b2o20b2ob2o10b2o$11b2o13b2ob2o10b2o$26b2ob2o10b2o$19b
2ob2o10b2o$19b2ob2o10b2o$12b2ob2o10b2o$12b2ob2o10b2o$8b2o10b2o$8b2o10b
2o$13b2o$13b2o!

[gmc_nxtman]

Also, was just messing around and found women's interesting:

Typo?

Also, a p87 tractor beam that works at p65+:

Code: Select all

x = 201, y = 184, rule = B3/S23
196b3o2$200bo$192b2o6bo$191bobo6bo$193bo$196b3o8$179b2o$178bobo$180bo
9$170b2o$171b2o$170bo9$157b2o$158b2o$157bo5$52bo$52b3o$55bo$54b2o$148b
3o$62b2o86bo$62b2o8b2o75bo$72b2o$58bo$57bobo$56bo2bo$57b2o$10b3o7b2o$
6b2o2bo9b2o20bo$6b2o3bo2bo26bobo$11bobob2o9bo15bo92b3o$12b2ob2o8bobo
36bobo70bo$13b3obo8bo36bo3bo68bo$15bobo3b2o22b3o15bo$15b3o3b2o15b2o4b
2o2bo14bo4bo$16bo21b2o9bo13bo9b2o11b2o$13bo2bo27bo4bo14bo2b2o4b2o12bo$
11bo3bo33bo15b3o19bobo$8b3o4bo29bo3bo38b2o$7bo7bo30bobo$6b2o3b2o2bo16b
2o36bo56bo$9b2o2b3o16b2o35bobo55b2o$6bobo28b2o31bo55bobo$5bo31b2o$6b2o
bo44b2o$7b3o21b3o19bo2bo$2b2o27bob2o3b2o13bobo37bo$bobo31bo18bo36b3o$b
o30bobo55bo$2o23b3o2b2o17b2o28bo10b2o10b2o$25bo2b2o3b2o14b2o27bobo21b
2o$25bo7bo44bobo5bo27bo$25bo4b3o24b2o17b3ob2o20b4o8b2o$25bo3bo27bo17bo
24b3o3bo6bobo11b2o$24bo2bo30b3o8bo6b3ob2o17bo5b2o20bo$24bo35bo8b3o6bob
2o17b2o24bobo$18b2o3b3o46bo13bob2ob3o31b2o$18b2o3bobo33bo11b2o13b3obo
2bo27bo$14bo8bob3o29b3o26b2ob2ob2o2b2o22bobo$13bobo8b2ob2o27bo33b3o2bo
2bo13bo7bobo$14bo9b2obobo26b2o32b2o4b2o13b2o8bo$26bo2bo3b2o6b2o68bobo$
19b2o9bo2b2o7bo90b2o$19b2o7b3o11bob2o76b3o8bo$43bo2bo23b2o49bo2bo6bobo
$44b2o10bo12b2ob2o46b2o6bob3o$54bobo2b2o8b2ob2o47b2obo2b4o$55b2o2b2o
10b3o10b2o35b2o2b3ob2o$84bo9bobo13b2o11b5obo$85b3o7b2o14bo12b5o$87bo7b
o15bobo11b3o$68bo3b2o38b2o$67bobo3bo$66bobo3bo$62b2obobo3bo53b2obo$62b
2obo2b4obo28b2o21b2ob3o$66bobo3bobo27bobo26bo$62b2ob2o2bo2bobo29bo20b
2ob3o$63bobo2b2o3bo30b2o20bobo$51b2o10bobo60bobo$51b2o11bo62bo$103b2o
39b2o$102bo2bo2b2o34b2o5bo6b2o$103b2o2bobo3b3o7b2o26bo6b2o$105b2o7bo8b
obo13bo$105bo8b3o8bo12bobo$102b2obo2bo16b2o12bo$102bob2obobo33bobo$
106bobo34bo2bo$103b2o2bo38b2o$101b3ob2o37b2o2b2o$100bo44bo2bo$101b3ob
2o39b2o11b2o$103bob2o52b2o2$113b2o10b2o$113b2o7b2o2bo28b2o$122bo3bobo
25bo2bo$120bobo4b2o25bobo$114b2o4b2o13bo19bo$114bobo17bobo25b2o$114bo
18bo2bo25bobo$134b2o28bo$100b2o62b2o$100b2o$130b2o$130b2o11b2o$142bo2b
o$141b2o2b2o$116bo26b2o$115bobo26bo2bo$115bobo27bobo$116bo34bo$117b3o
30bobo$119bo31bo2$134b2o3bo5b2o$133bo3bo7b2o$134bo3bo$137bo2$118b2o13b
o$118b2o9b2ob3o4b2o$129bo2bo2bo3b2o$124bobo2b3o2b2o$125bo$117b3o8bo$
117bo2b2o5bobo$120b2o4bo3bo18bo$126b2o2bo6b2o9bobo$119b3ob2obo2b2o18bo
$121b4o2$146b2o$146b2o4b2o$117b2o33b2o$117b2o4b2o$123b2o2$146b4o$121bo
18b2o2bob2ob3o$120bobo9b2o6bo2b2o$121bo18bo3bo4b2o$141bobo5b2o2bo$142b
o8b3o$145bo$135b2o2b3o2bobo$135bo2bo2bo$136b3ob2o9b2o$137bo13b2o3$133b
2o$134bo$131b3o$131bo!

I haven't yet found a way to delete the traffic light at the end, though.

Maybe this could be used as part of a sawtooth?

[Hdjensofjfnen]

A toad is visible in the ash at (69, 122).

[M. I. Wright]

There are two toads, actually, neither of which are particularly notable.

[muzik]

Also, was just messing around and found women's interesting:

Typo?

Yep (I hate you autocorrect), but don'r we all find women interesting?

Here are the orthogonal ship eaters so far, all except the copperhead one are my (re)discoveries:

Code: Select all

x = 22, y = 99, rule = B3/S23
6bo$5bobo$5bobo$3b3ob2o$2bo$3b3ob2o$5bob2o9bo$17bo$17bo3bo$17b4o$5bob
2o$3b3ob2o$2bo$3b3ob2o$5bobo$5bobo$6bo5$b2o$2bo$2bobo$3b2o8bo$12bobo$
12bobo$12bo2$11b2o$12bobo$11bobo$11b3o2$12bobo$12b2o$13bo$13bobo$13bob
o$3b2o9bo$2bobo$2bo$b2o18$12b2o2bob2o$11bo2bo2b2o$12bobo$13bo$19bo$17b
3o$16bo$17bo$5b2o11b2o$4bobo$4bo$3b2o9$o$3o$3bo$2bo$2bobo$3b2o$12b2ob
3o$10b2o2b2o4bo$9bo4bo5b2o$9bo4bo5b2o$10b2o2b2o4bo$12b2ob3o4$8b2o$9bo$
6b3o$6bo!

[PHPBB12345]

Code: Select all

x = 22, y = 18, rule = B3/S23
4b2o10b2o$4b2o10b2o$3bo2bo8bo2bo$3b4o8b4o$2bob2obo6bob2obo$3bo2bo8bo2b
o2$2b2o2b2o6b2o2b2o$bo6bo4bo6bo2$2bo4bo6bo4bo$3bo2bo8bo2bo$4b2o10b2o2$
b2o4b2o4b2o4b2o$o2bo2bo2bo2bo2bo2bo2bo$b2o4b2o4b2o4b2o$2bo4bo6bo4bo!

[Bullet51]

Code: Select all

x = 22, y = 18, rule = B3/S23
4b2o10b2o$4b2o10b2o$3bo2bo8bo2bo$3b4o8b4o$2bob2obo6bob2obo$3bo2bo8bo2b
o2$2b2o2b2o6b2o2b2o$bo6bo4bo6bo2$2bo4bo6bo4bo$3bo2bo8bo2bo$4b2o10b2o2$
b2o4b2o4b2o4b2o$o2bo2bo2bo2bo2bo2bo2bo$b2o4b2o4b2o4b2o$2bo4bo6bo4bo!

What's the point? It's just 2 connected Copperhead sparker.

[muzik]

Kind of an interesting reaction, but I highly doubt it's useful unless we can find some sort of diagonal block puffer which can output blocks like this (a modified switch engine?)

Code: Select all

x = 54, y = 46, rule = B3/S23
48bob2o$48b3o$49bo2$36b2o$36b2o3$52b2o$52b2o7$24b2o$24b2o3$40b2o$40b2o
7$12b2o$12b2o3$28b2o$28b2o7$2o$2o3$16b2o$16b2o!

I am not the best at measuring speeds, but the bhep appears to be moving at 3c/19 diagonal. New growing spaceship confirmed?




Also, thing that converts a boat with tail into eater one, and vice versa but not repeatedly: that

Code: Select all

x = 43, y = 20, rule = B3/S23
7bo$7b3o$10bo$9bobo$9b2o10bo17bo$20bo17bo$20bo3bo13bo3bo$20b4o14b4o$9b
2o$4b2o2bo2bo$bo2bo4bobo$obobo5bo$bo2bob2o$4bo2bo$5bo4bo$6b5o2$8bo$7bo
bo$8bo!

[Extrementhusiast]

Also, a p87 tractor beam that works at p65+:

Code: Select all

RLE

I haven't yet found a way to delete the traffic light at the end, though.

Maybe this could be used as part of a sawtooth?

Here's one way to delete it:

Code: Select all

x = 172, y = 147, rule = B3/S23
159bo$159bo$159bo2$154bo6b3o$154b2o$52bo100bobo3bo$52b3o104bo$55bo103b
o$54b2o2$62b2o$62b2o8b2o$72b2o$58bo$57bobo81bo$56bo2bo81b2o$57b2o81bob
o$20b2o$6b2o12b2o20bo$6b2o33bobo$26bo15bo$20bo4bobo36b2o$19b3o4bo36bo
2bo$18b2obo41bo$17b2o19b2o4b3o16bo4bo$16b2o20b2o4bo3bo15bo3bo4b2o57b2o
$17bo26bo4bo16b3o4b2o56bobo$18bo30bo83bo$5b2o39bo2bo$5b2o40b2o102b2o$
32b2o36bo66b2o12b2o$32b2o35bobo65b2o$9b2o59bo86bo$8bo2bo144bobo$9bobo
42b2o101bo$10bo19bo22bo2bo95b2o$2b2o25bobo21bobo37bo25b2o26bo4b2o$bobo
25bo2bo21bo36b3o24bobo24b2obo$bo28b2o7bo50bo29bo24b2obo$2o38bo8b2o28bo
10b2o10b2o42bo$38b3o8b2o27bobo21b2o32b2o8bo4bo$34b2o42bobo55b2o9bo3bo$
34b2o21b2o17b3ob2o20b4o42b3o$22bo34bo17bo24b3o3bo20b2o19b3o19b2o$23bo
34b3o8bo6b3ob2o17bo5b2o20bo12b2o28bo$23b2o35bo8b3o6bobobo16b2o17bo6bob
o11bo2bo25bobo$22b2o48bo43b3o6b2o13bobo25b2o$19bob2o36bo11b2o42b2obobo
20bo19bo$14bo4b3o35b3o56b5o12b2o25bobo$13bobo4bo35bo40bo20bo13bobo25bo
2bo$14bo42bo16b3o20bo22b2o10bo28b2o$33b2o6b2o10bo3bo16bob2o19b3o31b2o
19b3o$19b2o12b2o7bo10bo21bob2o54b2o17b3o$19b2o21bob2o6bo3bo18bobo20b3o
32bo17bo3bo9b2o$43bo2bo10bo12bo4b2o20bobo31bobo17bo4bo8b2o$44b2o4b2o3b
2o13bobo24bobo31b2o23bo$48bo5bo15b2o26bo55bob2o$48bo4bo30b2o68bob2o$
48bo5bo29bo25b2o37b2o4bo$50b2o3b2o28b3o23bo37b2o$57bo29bo23bobo31bo$
52bo3bo11bo3b2o38b2o30bobo$53bo2bo10bobo3bo49b2o20bo$53b3o10bobo3bo91b
2o$62b2obobo3bo53b2obo21b2o12b2o$62b2obo2b4obo28b2o23b4o19b2o$66bobo3b
obo27bobo26bo$62b2ob2o2bo2bobo29bo20b2ob3o$63bobo2b2o3bo30b2o12bo7bobo
$51b2o10bobo51b3o6bobo$51b2o11bo51b2o2bo6bo$103b2o15bo23b2o$102bo2bo2b
2o9bo24b2o12b2o$103b2o2bobo5bo7b2o33b2o$105b2o8bobo5bobo13bo$105bo9b2o
8bo12bobo$102b2obo2bo16b2o12bo3b2o$102bob2obobo35bo$106bobo34b3o$103b
2o2bo37bo2bo$101b3ob2o38bo3bo$100bo45bobo$101b3ob2o40bo11b2o$103bob2o
52b2o2$125b2o$122b2o2bo28b2o$122bo3bobo25bo2bo$120bobo4b2o25bobo$110b
2o3b2o3b2o13bo19bo$108b2obo3bob2o15bobo25b2o$108bo9bo14bo2bo25bobo$
108bobo5bobo15b2o28bo$100b2o7b2ob3ob2o46b2o$100b2o9bo3bo$111bo3bo14b2o
$112b3o15b2o11bo$142bobo$141bo3bo$116bo25bo2bo$115bobo27b3o$115bobo27b
o$116bo29b2o3bo$117b3o30bobo$119bo31bo2$130b3o12b2o$130bo14b2o$131bo2$
128b2o$118b2o8b2o$118b2o19b2o$133bo5b2o$132bobo$132bo2bo$133b2o2$149bo
$148bobo$149bo2$125b2o16bo$124b2obo14bobo$123b2obo20bo4b2o$117b2o3b2o
23b2o3b2o$117b2o4bo20bob2o$126bobo14bob2o$127bo16b2o2$121bo$120bobo$
121bo2$136b2o$135bo2bo$136bobo$137bo$151b2o$141b2o8b2o$141b2o2$133b2o$
134bo$131b3o$131bo!

However, it does depend on the position parity of the traffic light.

[Mr. T]

I am in for chaotic, self-influental, self-similar, metastable systems and playing araound with Dean Hickersons "jagged2". By double the vertical rakes on both sides and eliminating almost all of the LWSS in the stream, the hole system gets really metastable. I named it "wallstreet". Play it and you know why.

Code: Select all

x = 125, y = 208, rule = B3/S23
64b3o11b3o$63bo2bo10bo2bo$66bo4b3o6bo$66bo4bo2bo5bo$65bo4bo3bo4bo$69bo
bo2b2o$73bo$69bob2o$65bo4b3o$64b3o3b3o6bo$63b2obo11b3o$63b3o12bob2o$
64b2o13b3o$79b3o$72bo6b2o$71b2o$70bo2bo$70b2o$41bo13bo$40b3o11b3o$39b
2obo5bo4b2obo$39b3o5b3o3b3o$40b2o4bo2b2o3b2o$46bo3bo$47b2obo$49b2o2$
54b3o$40b3o11bo2bo$39bo2bo11bo$42bo11bo$42bo12bobo5bo$42bo6bo12b3o$41b
o5b2obo11bob2o$47bo2bo12b3o$63b3o$50bo12b2o$49bobo$48bo12$56b3o$55bo2b
o$58bo$58bo$58bo$57bo67$63b3o11b3o$62bo2bo10bo2bo$65bo4b3o6bo$65bo4bo
2bo5bo$64bo4bo3bo4bo$68bobo2b2o$72bo$68bob2o$64bo4b3o$63b3o3b3o6bo$62b
2obo11b3o$62b3o12bob2o$63b2o13b3o$78b3o$71bo6b2o$70b2o$69bo2bo$69b2o2$
42bo13bo$41b3o11b3o$40b2obo5bo4b2obo$40b3o5b3o3b3o$41b2o4bo2b2o3b2o$
47bo3bo$48b2obo$50b2o2$55b3o$33b3o5b3o11bo2bo30b3o$32b5o3bo2bo11bo32b
5o$31b2ob3o6bo11bo6bo25b3ob2o$4o5b2o21b2o9bo12bobo2b3o27b2o21b2o5b4o$o
3bo3b2ob2o30bo6bo10bob2o47b2ob2o3bo3bo$o8b4o29bo5b2obo10b3o47b4o8bo$bo
8b2o36bo2bo10b3o48b2o8bo$62b2o$13bo37bo59bo$3b2o8b2o12bo22bobo44bo12b
2o8b2o$2bo2bo9bo12b2o19bo45b2o12bo9bo2bo$2bo2bo4b5o12b2o67b2o12b5o4bo
2bo$2b2ob2o3b4o97b4o3b2ob2o$4b2o4bo103bo4b2o3$11b3o97b3o$4o6b5o95b5o6b
4o$o3bo4b2ob3o95b3ob2o4bo3bo$o9b2o25b2o47b2o25b2o9bo$bo34b4o45b4o34bo$
19b2o14b2ob2o45b2ob2o14b2o$18b4o14b2o19b3o27b2o14b4o$17b2ob2o34bo2bo
43b2ob2o$18b2o39bo45b2o$59bo$59bo$23bo34bo42bo$21b4o75b4o$20bob5o71b5o
bo$19b2o6bo27b2o11b2o27bo6b2o$20b3obo3bo25b2ob3o5b3ob2o25bo3bob3o$21b
3o3bo27b5o5b5o27bo3b3o$26bo29b3o3bo3b3o29bo$61bobo$19b2o20b3o18bo18b3o
20b2o$18b4o4b4o11bo41bo11b4o4b4o$17b2ob2o4bo3bo11bo39bo11bo3bo4b2ob2o$
2b4o5b2o5b2o6bo71bo6b2o5b2o5b4o$2bo3bo3b2ob2o12bo69bo12b2ob2o3bo3bo$2b
o8b4o21b3o47b3o21b4o8bo$3bo8b2o22bo51bo22b2o8bo$37bo49bo2$5bo6bo99bo6b
o$4bo7b2o17b3o57b3o17b2o7bo$4bo6b2o18bo61bo18b2o6bo$4b2o4b2o20bo59bo
20b2o4b2o$6bo111bo$8b2o105b2o$26b3o67b3o$26bo71bo$2b4o21bo69bo21b4o$2b
o3bo13bo83bo13bo3bo$2bo16bo85bo16bo$3bo15bo3bo77bo3bo15bo$19b4o79b4o!

[gmc_nxtman]

A very good LWSS inserter from the front:

Code: Select all

x = 42, y = 6, rule = B3/S23
25bobo$25b2o4bo7bobo$b4o21bo4bobo5b2o$o3bo26b2o7bo$4bo20b2o$o2bo21b2o!

The rightmost glider is to delete a stray block that would destroy the LWSS.

Halved the p515 gun, or at least the one in the collection:

Code: Select all

x = 73, y = 66, rule = B3/S23
32bo11b2o$31bobo10b2o$23bo3b2o2bobo$22bobo2bo2b2ob2o$22bobo3bobo$23bob
4o2bob2o$25bo3bobob2o$24bo3bobo$12b2obo7bo3bobo$12bob2o7b2o3bo$7b2o$8b
o4b3o$o6bo4bo2bo24b3o$3o4b2o3b2o28bo$3bo36b3o$2b2o47b2o$50bo2bo$51b2ob
o$54bo$54b2o2$40b2o$40bo$41bo$40b2o3$26bo$b2o21b3o39bo$b2o20bo41bobo$
22bobo41bo$23bo3$21b2o$21b2o3$17b2o19bo32bo$2b2o13b2o17b3o31bobo$2b2o
31bo34bobo$35b2o34bo3$69b2o$44b2o23bo$45bo21bobo$45bobo19b2o$5b2o3b2o
34b2o$5b2o3b2o8$35b2o$22b2o11b2o$23bo$20b3o36bo$20bo35bobobo2bo$54b3ob
ob4o$53bo5bo$53b2o6bo$60b2o!

Is this improvement known?

[chris_c]

Halved the p515 gun, or at least the one in the collection:

Is this improvement known?

It wasn't known to me. The previous best was here at 5394 cells:

Code: Select all

x = 87, y = 62, rule = LifeHistory
26.2A11.A$25.B2AB9.A.A20.A$26.3B9.A.A2.2A3.A11.BA2B.2A$25.B.B9.2A.2A
2.A2.A.A11.A2BA.A$25.5B8.B2.A.A3.A.A13.ABA$25.6B6.2ABA2.4A.A13.3A$25.
8B4.2A.A.A3.A12.AB.AB$26.13B2.A.AB2.A10.A.AB3A4.A$24.13B5.A.A2B.A3.A
5.2A3B.AB3.3A$23.15B5.A2B.2A3.3A4.2AB.2A7.A6.B$23.15B4.3B10.A3.3A3B6.
2A4.4B$22.17B.B.2B10.2A3.B2A2B7.10B$22.29B3.4B6.A8.9B$21.13B2A16B4.3B
4.A.A6.11B$20.14B2A16B2.6B4.A5.14B$19.2AB3.27B.7B10.14B$18.A2.A4.35B
8.11B.4B$17.A.2A5.6B3.B2.2B2.20B6.13B.4B$17.A7.6B14.17B5.13B3.3BA$16.
2A6.9B14.16B3.14B4.ABA$23.4B4.2A15.15B3.13B6.2A$22.4B5.A16.15B4.12B7.
B$21.4B7.3A11.8B.24B$20.4B10.A11.2A3.B3.24B$19.4B24.A7.24B$18.4B22.3A
8.25B$17.4B23.A10.14B.9B$16.4B33.15B2.10B$15.4B32.17B.11B$14.4B32.2A
29B$13.4B32.A.AB.27B$12.4B33.A4.27B$7.A3.BA2B6.A26.2A3.28B5.A$6.A.A.B
AB2A4.3A30.29B3.3A$7.A.2BAB2A3.A32.14B2.15B.A$9.BA3B2A.B2A6.2A22.4B2.
8B6.12BA.A$2A6.2B4A6B6.A22.4B4.7B7.12B2A$A5.BA3B3A5B4.BA.A21.4B6.5B6.
10B.2B$.3A.17B.B2A10.A10.4B5.6B7.2A3.3B6.2A$3.A5B2AB3A9B12.3A7.4B6.2A
12.A4.B8.A$5.3BA2B2ABA9B15.A5.4B8.A9.3A4.A.A5.A$4.4BA4B2A8B15.2A4.4B
6.3A10.A5.A.2A5.2A$4.4BA15B14.9B6.A19.A$6.3B3A14B14.6B7.A.2A15.2A$7.
3BABA16B2.2B2.B3.6B5.2A.A.2A$4.B.5BABA31B4.A2.A$3.2A5BA2B2A3B.27B3.B
2A$3.2A5BA2B2A2B2.16B2A14B$4.B.5BA3BAB2.16B2A13B$8.9B3.29B$9.B.5BA10.
2B.B.17B$11.4BA10.3B4.15B$12.4B6.2A.2BA5.15B$10.5B7.A.2BA.A5.13B$10.
2A11.A2.BA.A2.13B$11.A12.A3.A.A.2A4.8B$8.3A11.A.4A2.AB2A6.6B$8.A12.A.
A3.A.A2.B8.5B$21.A.A2.A2.2A.2A9.B.B$22.A3.2A2.A.A9.3B$30.A.A9.B2AB$
31.A11.2A!

As far as I know, these kinds of guns where the output of a syringe is redirected to its input with fewer than 2 Snarks have not been systematically researched. There could well be other record breaking guns out there.

[gmc_nxtman]

And are these p326 and p163 guns known?

Code: Select all

x = 86, y = 83, rule = LifeHistory
39.A$39.3A$42.A$41.2A16.A.2A$41.4B14.2A.A$22.A20.3B20.2A$22.3A12.B.3B
.4B12.3A4.A$25.A10.18B4.BA2.A4.A$24.2A3.B5.2B2A16B4.2B2A3.2A$24.8B3.
2B2A16B2.3B.B4.B6.2A$26.8B.20B.2BA4B2.2B6.A$9.A16.31BABA2B2.5B.BA.A$
9.3A13.15B.2B2.24B.B2A$12.A10.17B8.17BA5B$11.2A3.2B2.19B11.14BABA4B$
11.28B12.8BABABA2BA4B$13.17B.7B12.8BA2BA2B2A6B$11.28B11.9BA2B2A8B$5.A
.2A2.29B8.2AB.3B4.2A2BA7B$5.2A.A20B2.8B8.A.AB8.B3A8B$10.12B11.6B8.A
11.2BA10B$11.11B11.5B8.2A12.12B$12.10B12.4B20.5B3.6B7.2A$3.2A2.2A.B.
11B11.3B21.2A6.7B6.A$3.A2.A.A14B12.4B20.A6.7B3.BA.A$4.A.A.B.13B14.2A
17.3A7.8B2.B2A$3.2A.2A13B.B2A12.A18.A9.11B$7.B.9B4.BA.A12.3A25.11B$9.
9B7.A14.A25.11B$10.8B7.2A40.11B$11.7B49.2B.7B$8.11B47.11B$7.12B47.10B
$7.12B45.12B$7.11B44.13B$7.8B.4B41.17B$7.7B4.2A41.18B$7.7B4.A40.2AB.
13B2A2B$7.6B6.3A36.A.AB3.4B.6B2AB$6.7B8.A36.A8.B4.8B4.2A$5.8B44.2A15.
6B4.A$4.8B61.7B.BA.A$4.8B61.6B2.B2A$2.2AB2.6B61.8B$.A.AB.7B61.8B$.A4.
6B15.2A44.8B$2A4.8B4.B8.A36.A8.7B$7.B2A6B.4B3.BA.A36.3A6.6B$6.2B2A13B
.B2A40.A4.7B$7.18B41.2A4.7B$8.17B41.4B.8B$11.13B44.11B$10.12B45.12B$
10.10B47.12B$9.11B47.11B$9.7B.2B49.7B$8.11B40.2A7.8B$9.11B25.A14.A7.
9B$9.11B25.3A12.A.AB4.9B.B$9.11B9.A18.A12.2AB.13B2A.2A$7.2AB2.8B7.3A
17.2A14.13B.B.A.A$6.A.AB3.7B6.A20.4B12.14BA.A2.A$6.A6.7B6.2A21.3B11.
11B.B.2A2.2A$5.2A7.6B3.5B20.4B12.10B$14.12B12.2A8.5B11.11B$14.10BA2B
11.A8.6B11.12B$15.8B3AB8.BA.A8.8B2.20BA.2A$15.7BA2B2A4.3B.B2A8.29B2.
2A.A$14.8B2A2BA9B11.28B$14.6B2A2BA2BA8B12.7B.17B$15.4BA2BABABA8B12.
28B$15.4BABA14B11.19B2.2B3.2A$15.5BA17B8.17B10.A$13.2AB.24B2.2B.15B
13.3A$12.A.AB.5B2.2BABA31B16.A$12.A6.2B2.4BA2B.20B.8B$11.2A6.B4.B.3B
2.16B2A2B3.8B$18.2A3.2A2B4.16B2A2B5.B3.2A$18.A4.A2.AB4.18B10.A$19.A4.
3A12.4B.3B.B12.3A$18.2A20.3BA19.A$23.A.2A14.3BA$23.2A.A15.3AB!

Code: Select all

x = 86, y = 83, rule = LifeHistory
39.A$39.3A$42.A$41.2A16.A.2A$41.4B14.2A.A$22.A20.3B20.2A$22.3A12.B.3B
.4B12.3A4.A$25.A10.18B4.BA2.A4.A$24.2A3.B5.2B2A16B4.2B2A3.2A$24.8B3.
2B2A16B2.3B.B4.B6.2A$26.8B.20B.2BA4B2.2B6.A$9.A16.31BABA2B2.5B.BA.A$
9.3A13.15B.2B2.24B.B2A$12.A10.17B8.17BA5B$11.2A3.2B2.19B11.14BABA4B$
11.28B12.8BABABA2BA4B$13.17B.7B12.8BA2BA2B2A6B$11.28B11.9BA2B2A8B$5.A
.2A2.29B8.2AB.3B4.2A2BA7B$5.2A.A5B2A13B2.8B8.A.AB8.B3A8B$10.3BA2BA5B
11.6B8.A11.2BA10B$11.3BABA5B11.5B8.2A12.12B$12.3BAB2A3B12.4B20.5B3.6B
7.2A$3.2A2.2A.B.5BABA3B11.3B21.2A6.7B6.A$3.A2.A.A6B2A2B2A2B12.4B20.A
6.7B3.BA.A$4.A.A.B.8B2A3B14.2A17.3A7.8B2.B2A$3.2A.2A3BA3BAB2A2B.B2A
12.A18.A9.11B$7.B.BA5BAB4.BA.A12.3A25.11B$9.2BA6B7.A14.A25.11B$10.8B
7.2A40.11B$11.7B49.2B.7B$8.11B47.11B$7.12B47.10B$7.12B45.12B$7.11B44.
13B$7.8B.4B41.17B$7.7B4.2A41.18B$7.7B4.A40.2AB.13B2A2B$7.6B6.3A36.A.A
B3.4B.6B2AB$6.7B8.A36.A8.B4.8B4.2A$5.8B44.2A15.6B4.A$4.8B61.7B.BA.A$
4.8B61.6B2.B2A$2.2AB2.6B61.8B$.A.AB.7B61.8B$.A4.6B15.2A44.8B$2A4.8B4.
B8.A36.A8.7B$7.B2A6B.4B3.BA.A36.3A6.6B$6.2B2A13B.B2A40.A4.7B$7.18B41.
2A4.7B$8.17B41.4B.8B$11.13B44.11B$10.12B45.12B$10.10B47.12B$9.11B47.
11B$9.7B.2B49.7B$8.11B40.2A7.8B$9.11B25.A14.A7.6BA2B$9.11B25.3A12.A.A
B4.BA5BAB.B$9.11B9.A18.A12.2AB.2B2ABA3BA3B2A.2A$7.2AB2.8B7.3A17.2A14.
3B2A8B.B.A.A$6.A.AB3.7B6.A20.4B12.2B2A2B2A6BA.A2.A$6.A6.7B6.2A21.3B
11.3BABA5B.B.2A2.2A$5.2A7.6B3.5B20.4B12.3B2ABA3B$14.12B12.2A8.5B11.5B
ABA3B$14.10BA2B11.A8.6B11.5BA2BA3B$15.8B3AB8.BA.A8.8B2.13B2A5BA.2A$
15.7BA2B2A4.3B.B2A8.29B2.2A.A$14.8B2A2BA9B11.28B$14.6B2A2BA2BA8B12.7B
.17B$15.4BA2BABABA8B12.28B$15.4BABA14B11.19B2.2B3.2A$15.5BA17B8.17B
10.A$13.2AB.24B2.2B.15B13.3A$12.A.AB.5B2.2BABA31B16.A$12.A6.2B2.4BA2B
.20B.8B$11.2A6.B4.B.3B2.16B2A2B3.8B$18.2A3.2A2B4.16B2A2B5.B3.2A$18.A
4.A2.AB4.18B10.A$19.A4.3A12.4B.3B.B12.3A$18.2A20.3BA19.A$23.A.2A14.3B
A$23.2A.A15.3AB!

[Kazyan]

And are these p326 and p163 guns known?

Nope; I don't think anyone has experimented with HLx86H in guns yet. Nice finds.

[chris_c]

And are these p326 and p163 guns known?

I don't think so but they are not smaller than this p163 gun:

Code: Select all

x = 91, y = 59, rule = LifeHistory
51.A$50.A.A$50.A.A$19.2A16.A11.2A.3A$19.A.A5.2A8.3A10.B4.A$21.A4.A.A
11.A7.B2AB3A12.A11.2A$17.4A.2A2.A12.2A2.4B.B2A.A13.A.A9.B2AB$17.A2.A.
A.A.2A11.5B2A3B17.A.A9.3B$19.BABABA.A14.3BABA2B15.3A.2A9.B.B$20.B2ABA
.A11.6BABA2B14.A4.B8.5B$21.2B.BA11.2B2A3BABA2B2.4B9.3AB2A6.6B$20.3B
14.2B2A3BA2BA7B11.A.2A4.8B$11.2A6.4B14.7BA2BA8B12.13B$12.A6.B2A3B14.
6BAB2A7B14.13B$12.A.AB3.B2A3B14.10BA6B13.15B$13.2AB.10B11.11BA6B2.B
10.15B$15.13B6.B3.10BA12B5.B.17B$15.14B4.2AB.48B$15.15B3.2A9BA11B2A
13B2A2B2A9B$17.8B2.4B3.9BA12B2A13B2A2BABA9B$17.2A4B5.4B2.3B.5B3A29BA
6B3.B2A$16.2B2A5B4.4B5.43B4.A2.A$15.2BAB4.2A5.4B5.26B2.2B2.B3.6B5.2A.
A$.2A11.4B5.A7.4B4.8B3.7B2.4B13.6B7.A$.A2.A8.4B7.3A5.4B2.5B8.6B17.9B
6.2A$2.5A5.4B5.3A2.A6.8B11.3B19.2A3.4B$7.A4.4B5.A3.A8.6B13.B21.A3.2BA
2B$4.3AB2.7B.BA.A.2A10.4B33.3A3.2BABA4B$3.A.2B3.7B.B2A.A11.6B32.A5.2B
A2BA3B$3.4A12B3.A10.8B37.4BA4B$.2A2.BA3B2A7B3.3A7.4B2.4B35.10B$A2.3AB
.2B2A7B6.A5.4B4.4B33.10B2A$2A.A.B3.10B5.2A4.4B6.4B22.2A8.9BA2BA$3.A8.
8B4.9B8.4B22.A9.8BABA$3.2A7.9B5.6B10.4B21.A.AB4.11BA$13.3B2.4B2.8B11.
4B10.A10.2AB.10B3A2B$11.5B3.15B10.4B7.3A12.12B2A3B$11.2A7.14B11.4B5.A
15.17B$12.A8.13B12.4B4.2A15.17B.B$9.3A10.10B.B2A3.2A6.9B14.19B2A$9.A
14.3B2AB3.BA.A3.A7.6B14.19B.B2A$24.3B2AB6.A3.A.2A5.3BA2B3.B2.2B2.20B
4.B$26.4B6.2A3.A2.A4.2B3A31B$26.3B13.2AB3.2B2AB2A20B.9B$23.AB.2B15.6B
2A24B2.7B$22.A.AB2AB15.4B3A24B2.7B$22.A.ABABAB15.4B2A23B4.6B$21.2A.A.
A.A2.A13.5B2AB2A7B.B.2B10.7B$22.A2.2A.4A14.5B3A7B4.3B10.6B$20.A.A4.A
18.6BA8B5.A2B.2A6.7B$20.2A5.A.A17.13B5.A.A2B.A7.5B$28.2A19.13B2.A.AB
2.A8.6B$48.8B4.2A.A.A3.A7.9B$48.6B6.2ABA2.4A.A5.2A.7B$48.5B8.B2.A.A3.
A.A5.A5.4B$48.B.B9.2A.2A2.A2.A.A2.3A7.4B$49.3B9.A.A2.2A3.A3.A10.3BA$
48.B2AB9.A.A23.3BA$49.2A11.A25.3A!

Guns belonging to this family should set records at quite few periods 163, 165, 167 etc. and also 334, 338, ... but I never got around to properly confirming them.

[muzik]

A "block pulling" reaction using an r-pentomino and eater

Code: Select all

x = 9, y = 19, rule = B3/S23
7b2o$7bo$5bobo$5b2o$bo$b3o$2bo11$2o$2o!

and the B-heptomino doing essentially the same reaction with two blocks:

Code: Select all

x = 20, y = 12, rule = B3/S23
16bob2o$2o14b3o$2o15bo8$16b2o$16b2o!

[muzik]

I feel like this reaction could somehow be developed into a spaceship:

Code: Select all

x = 13, y = 9, rule = B3/S23
5bobo$2o3bobo3b2o$2o3b3o3b2o6$5b3o!

and this one:

Code: Select all

x = 7, y = 10, rule = B3/S23
$bo3bo2$2b3o$2b3o4$2b3o!

[Pigeonbee]

I don't really know what this is, sorta found it from soup.

lWy0vm4.png (14.13 KiB) Viewed 291 times

[codeholic]

It is block-laying switch engine. And please read the forum rules carefully.

[Pigeonbee]

It is block-laying switch engine. And please read the forum rules carefully.

Sorry.

[gmc_nxtman]

Haven't seen this improvement of the p550 gun:

Code: Select all

x = 80, y = 76, rule = LifeHistory
32.2A$31.A.A$25.2A4.A$23.A2.A2.2A.4A$23.2A.A.A.A.A2.A$26.A.ABABAB$26.
A.AB2AB$27.AB.2B$30.3B$30.4B6.2A$28.3B2AB6.A$19.A8.3B2AB3.BA.A$17.3A
6.10B.B2A$16.A8.13B$15.A.A6.14B$14.BA.A5.15B$13.3BA5.4B2.8B$11.4B6.4B
5.6B$9.6B5.4B4.9B$8.7B4.4B5.2A4.4B$.B.4B.8B2.4B7.A5.4B$2AB.17B5.3A7.
4B$2A18B6.A10.4B$.2B.16B18.4B$4.16B19.4B$5.15B20.4B$6.12B.B2A19.4B$6.
11B2.BA.A19.4B$7.10B5.A20.4B$7.6B2A2B5.2A20.4B$7.6B2A3B27.4B$7.10B29.
4B$3.A.2AB.8B30.4B$.3AB2AB3.7B30.4B$A4.B6.6B31.4B$.3A.2A4.6B33.4B$3.
2A2.A4.5B34.4B$6.A.A.8B34.4B$2.A.2A.A.A8B8.A26.4B$2.2A.A.BA2B.6B6.3A
27.4B$5.A2.2B2.7B4.A31.4B$5.2A.B3.7B4.2A31.4B$3.2A2.A.A2.8B.4B32.4B$
2.A2.A2.2A2.11B35.4B$3.2A7.12B35.4B$12.12B36.4B10.A$13.11B37.4B7.3A$
16.7B39.4B5.A$15.8B7.2A31.4B4.2A$14.9B7.A14.A18.9B$12.B.9B4.BA.A12.3A
17.8B$8.2A.2A13B.B2A12.A14.2A3.11B$9.A.A.B.13B14.2A14.A4.11B$8.A2.A.A
14B12.4B14.A.AB.11B$8.2A2.2A.B.11B11.3B17.2AB.12B$17.10B12.4B18.5BA8B
$16.11B11.5B8.2A8.4B3A8B$10.2A3.12B11.6B8.A8.3B2A2BA7B$10.A2.A20B2.8B
8.A.AB6.6B2A6B$12.2A2.29B8.2AB.3B3.6BA7B$16.28B11.15BA6B$18.17B.7B12.
12B3A6B$16.28B12.7BAB2ABA7B2A$16.2A3.2B2.19B11.10B3A8BA.A$17.A10.17B
8.20B5.A$14.3A13.15B.2B2.20B.B6.2A$14.A16.38B$31.8B.20B.7B$29.8B3.2B
2A16B2.6B$29.2A3.B5.2B2A16B3.6B$30.A10.18B6.4B$27.3A12.B.3B.4B12.B2A
2B$27.A19.4B14.2A.B2A$46.A3B18.BA.A$45.A3B22.A$45.3A23.2A!

EDIT: Or this p572:

Code: Select all

x = 80, y = 80, rule = LifeHistory
35.2A$34.A.A$28.2A4.A$26.A2.A2.2A.4A$26.2A.A.A.A.A2.A$29.A.ABABAB$29.
A.AB2AB$30.AB.2B$33.3B$33.4B6.2A$31.3B2AB6.A$31.3B2AB3.BA.A$29.10B.B
2A$28.13B$19.A7.14B$17.3A6.15B$16.A8.4B2.8B$15.A.A6.4B5.6B$14.BA.A5.
4B4.9B$13.3BA5.4B5.2A4.4B$11.4B6.4B7.A5.4B$9.6B5.4B5.3A7.4B$8.7B4.4B
6.A10.4B$.B.4B.8B2.4B19.4B$2AB.17B21.4B$2A18B23.4B$.2B.16B24.4B$4.16B
25.4B$5.15B26.4B$6.12B.B2A25.4B$6.11B2.BA.A25.4B$7.10B5.A26.4B$7.6B2A
2B5.2A26.4B$7.6B2A3B33.4B$7.10B35.4B$3.A.2AB.8B36.4B$.3AB2AB3.7B36.4B
$A4.B6.6B37.4B$.3A.2A4.6B39.4B$3.2A2.A4.5B40.4B$6.A.A.8B40.4B5.B$2.A.
2A.A.A8B8.A32.4B3.3B$2.2A.A.BA2B.6B6.3A33.4B2.4B3.A$5.A2.2B2.7B4.A37.
4B.5B.A.A$5.2A.B3.7B4.2A37.10B.A$3.2A2.A.A2.8B.4B38.10B$2.A2.A2.2A2.
11B41.9B$3.2A7.12B41.7B$12.12B41.8B$13.11B39.11B$16.7B39.12B$15.8B7.
2A30.12B$14.9B7.A14.A17.11B3.BA$12.B.9B4.BA.A12.3A18.13BABA$8.2A.2A
13B.B2A12.A21.13BABA$9.A.A.B.13B14.2A19.13B.BA$8.A2.A.A14B12.4B18.4BA
8B$8.2A2.2A.B.11B11.3B18.5BABA6B$17.10B12.4B15.6B2AB2A2B5.2A$16.11B
11.5B8.2A5.6BA2B2AB6.A$10.2A3.12B11.6B8.A6.5B2ABA3B2.BA.A$10.A2.A20B
2.8B8.A.AB5.4B3A4B.B2A$12.2A2.29B8.2AB.3B.5B4A4B$16.28B11.10B2ABAB2A
2B$18.17B.7B12.13BA4B$16.28B12.8BA4B2A2B$16.2A3.2B2.19B11.9BABA5B$17.
A10.17B8.18B$14.3A13.15B.2B2.21B$14.A16.40B$31.8B.20B.9B$29.8B3.2B2A
16B2.B3A2B$29.2A3.B5.2B2A16B3.5B$30.A10.18B5.B.3B$27.3A12.B.3B.4B11.
3BA3B$27.A19.4B12.A.A.A2.A$46.4B11.3A.A.4A$45.A3B11.A5.A$44.A3B12.2A
6.A$43.B3A20.2A!

Or this p501:

Code: Select all

x = 77, y = 66, rule = LifeHistory
30.2A$29.A.A$23.2A4.A$21.A2.A2.2A.4A$21.2A.A.A.A.A2.A$24.A.ABABAB$24.
A.AB2AB$25.AB.2B$28.3B$19.A8.4B6.2A$17.3A6.3B2AB6.A$16.A8.4B2AB3.BA.A
$15.A.A6.10B.B2A$14.BA.A5.13B$13.3BA5.14B$11.4B6.15B$9.6B5.4B2.8B$8.
7B4.4B5.6B$.B.4B.8B2.4B4.9B$2AB.17B5.2A4.4B$2A18B7.A5.4B$.2B.16B4.3A
7.4B$4.16B4.A10.4B$5.15B16.4B$6.12B.B2A15.4B$6.11B2.BA.A15.4B$7.10B5.
A16.4B$7.6B2A2B5.2A16.4B$7.6B2A3B23.4B$7.10B25.4B$3.A.2AB.8B26.4B$.3A
B2AB3.7B26.4B$A4.B6.6B27.4B$.3A.2A4.6B29.4B12.A$3.2A2.A4.5B30.4B11.3A
$6.A.A.8B30.4B13.A$2.A.2A.A.A8B31.4B11.2A$2.2A.A.BA2B.6B7.2A23.4B10.
5B6.2A$5.A2.2B2.7B6.A25.4B11.4B5.A$5.2A.B3.7B3.BA.A26.4B9.6B.BA.A$3.
2A2.A.A2.8B2.B2A28.4B7.7B.B2A$2.A2.A2.2A2.11B31.4B4.11B$3.2A7.11B32.
4B3.11B$12.11B33.17B$13.11B28.2A3.15B$16.7B9.2A19.A4.13B$15.8B4.2A3.A
.A18.A.AB2.12B2.2A$14.8B5.A6.A19.2AB.15BA.A$15.7B2.BA.A6.2A20.16B3.A$
14.9B.B2A8.B20.16B3.2A$14.11B10.3B19.15B$14.11B9.6B16.15B$12.2AB.9B.B
3.B2.10B11.17B$11.A.AB2.6BA20B3.2B2.20B$11.A5.5BABA4B2A6B2A31B$10.2A
5.12BABA5B2A22B.7B$17.7BA6BA29B2.6B$16.8BA3BAB2A29B3.6B$15.5BA3BA2B2A
31B6.4B$14.4B2.4BA2.B2A5.13B.4B12.B2A2B$13.4B3.A3B2A3.3B3.7B.B5.3B14.
2A.B2A$12.4B5.2ABA5.2A15.4B18.BA.A$11.A3B9.AB4.A16.2A23.A$10.A3B9.BA
2B4.3A14.A23.2A$9.B3A10.A.A7.A11.3A$24.A20.A!

A few others in a family:

Code: Select all

#C p539
x = 82, y = 67, rule = LifeHistory
31.2A$30.A.A$24.2A4.A$22.A2.A2.2A.4A$22.2A.A.A.A.A2.A$25.A.ABABAB$25.
A.AB2AB$26.AB.2B$29.3B$29.4B6.2A$19.A7.3B2AB6.A$17.3A6.4B2AB3.BA.A$
16.A8.10B.B2A$15.A.A6.13B$14.BA.A5.14B$13.3BA5.15B$11.4B6.4B2.8B$9.6B
5.4B5.6B$8.7B4.4B4.9B$.B.4B.8B2.4B5.2A4.4B$2AB.17B7.A5.4B$2A18B5.3A7.
4B$.2B.16B5.A10.4B$4.16B17.4B$5.15B18.4B$6.12B.B2A17.4B$6.11B2.BA.A
17.4B$7.10B5.A18.4B$7.6B2A2B5.2A18.4B$7.6B2A3B25.4B$7.10B27.4B$3.A.2A
B.8B28.4B$.3AB2AB3.7B28.4B$A4.B6.6B29.4B$.3A.2A4.6B31.4B$3.2A2.A4.5B
32.4B$6.A.A.8B32.4B$2.A.2A.A.A8B33.4B$2.2A.A.BA2B.6B7.2A25.4B$5.A2.2B
2.7B6.A27.4B15.2A$5.2A.B3.7B3.BA.A28.4B14.A$3.2A2.A.A2.8B2.B2A30.4B
10.BA.A$2.A2.A2.2A2.11B33.4B2.6B.B2A9.A$3.2A7.11B34.13B9.3A$12.11B35.
13B7.A$13.11B28.2A5.11B.5B2.2A$16.7B9.2A19.A6.16B.3B$15.8B4.2A3.A.A
18.A.AB4.17B$14.8B5.A6.A19.2AB.3B.17B$15.7B2.BA.A6.2A20.24B$14.9B.B2A
8.B20.23B$14.11B10.3B19.20B$14.11B9.6B16.17B.3B$12.2AB.9B.B3.B2.10B
11.18B3.B$11.A.AB2.6BA20B3.2B2.21B$11.A5.5BABA4B2A6B2A32B$10.2A5.12BA
BA5B2A22B.9B$17.7BA6BA29B2.7B$16.8BA3BAB2A29B3.5B$15.5BA3BA2B2A31B5.
4B$14.4B2.4BA2.B2A5.13B.4B10.4B.B2A$13.4B3.A3B2A3.3B3.7B.B5.3B11.2A3.
BA.A$12.4B5.2ABA5.2A15.4B13.A6.A$11.A3B9.AB4.A16.2A12.3A7.2A$10.A3B9.
BA2B4.3A14.A12.A$9.B3A10.A.A7.A11.3A$24.A20.A!

Code: Select all

#C p511
x = 79, y = 68, rule = LifeHistory
32.2A$31.A.A$25.2A4.A$23.A2.A2.2A.4A$23.2A.A.A.A.A2.A$26.A.ABABAB$26.
A.AB2AB$27.AB.2B$30.3B$30.4B6.2A$28.3B2AB6.A$19.A8.3B2AB3.BA.A$17.3A
6.10B.B2A$16.A8.13B$15.A.A6.14B$14.BA.A5.15B$13.3BA5.4B2.8B$11.4B6.4B
5.6B$9.6B5.4B4.9B$8.7B4.4B5.2A4.4B$.B.4B.8B2.4B7.A5.4B$2AB.17B5.3A7.
4B$2A18B6.A10.4B$.2B.16B18.4B$4.16B19.4B$5.15B20.4B$6.12B.B2A19.4B$6.
11B2.BA.A19.4B$7.10B5.A20.4B$7.6B2A2B5.2A20.4B$7.6B2A3B27.4B$7.10B29.
4B$3.A.2AB.8B30.4B$.3AB2AB3.7B30.4B$A4.B6.6B31.4B$.3A.2A4.6B33.4B$3.
2A2.A4.5B34.4B$6.A.A.8B34.4B$2.A.2A.A.A8B35.4B$2.2A.A.BA2B.6B7.2A27.
4B$5.A2.2B2.7B6.A29.4B7.2A$5.2A.B3.7B3.BA.A30.4B5.B2AB$3.2A2.A.A2.8B
2.B2A32.4B5.3B$2.A2.A2.2A2.11B35.4B3.B.B$3.2A7.11B36.4B.6B$12.11B37.
10B7.2A$13.11B28.2A7.9B7.A$16.7B9.2A19.A8.10B2.BA.A$15.8B4.2A3.A.A18.
A.AB6.10B.B2A$14.8B5.A6.A19.2AB.3B2.12B$15.7B2.BA.A6.2A20.19B$14.9B.B
2A8.B20.19B$14.11B10.3B19.18B$14.11B9.6B16.19B$12.2AB.9B.B3.B2.10B11.
19B.B2A$11.A.AB2.6BA20B3.2B2.21B2.BA.A$11.A5.5BABA4B2A6B2A32B6.A$10.
2A5.12BABA5B2A31B7.2A$17.7BA6BA29B.8B$16.8BA3BAB2A29B3.6B$15.5BA3BA2B
2A31B5.5B$14.4B2.4BA2.B2A5.13B.4B13.4B$13.4B3.A3B2A3.3B3.7B.B5.3B13.B
2A2B$12.4B5.2ABA5.2A15.4B15.2A$11.A3B9.AB4.A16.2A$10.A3B9.BA2B4.3A14.
A$9.B3A10.A.A7.A11.3A$24.A20.A!

Code: Select all

#C p529
x = 77, y = 76, rule = LifeHistory
38.2A$37.A.A$31.2A4.A$29.A2.A2.2A.4A$29.2A.A.A.A.A2.A$32.A.ABABAB$32.
A.AB2AB$33.AB.2B$36.3B$36.4B6.2A$34.3B2AB6.A$34.3B2AB3.BA.A$32.10B.B
2A$31.13B$30.14B$29.15B$28.4B2.8B$19.A7.4B5.6B$17.3A6.4B4.9B$16.A8.4B
5.2A4.4B$15.A.A6.4B7.A5.4B$14.BA.A5.4B5.3A7.4B$13.3BA5.4B6.A10.4B$11.
4B6.4B19.4B$9.6B5.4B21.4B$8.7B4.4B23.4B$.B.4B.8B2.4B25.4B$2AB.17B27.
4B$2A18B29.4B$.2B.16B30.4B$4.16B31.4B$5.15B32.4B$6.12B.B2A31.4B$6.11B
2.BA.A31.4B$7.10B5.A32.4B$7.6B2A2B5.2A32.4B$7.6B2A3B39.4B$7.10B41.4B$
3.A.2AB.8B42.4B$.3AB2AB3.7B42.4B$A4.B6.6B43.4B$.3A.2A4.6B45.4B$3.2A2.
A4.5B46.4B$6.A.A.8B46.4B$2.A.2A.A.A8B47.4B$2.2A.A.BA2B.6B7.2A38.4B$5.
A2.2B2.7B6.A39.5B$5.2A.B3.7B3.BA.A38.9B$3.2A2.A.A2.8B2.B2A39.9B$2.A2.
A2.2A2.11B41.9B$3.2A7.11B40.10B$12.11B39.12B$13.11B28.2A8.13B$16.7B9.
2A19.A9.11B$15.8B4.2A3.A.A18.A.AB4.12B$14.8B5.A6.A19.2AB.15B$15.7B2.B
A.A6.2A20.17B$14.9B.B2A8.B20.17B$14.11B10.3B19.17B.B$14.11B9.6B16.19B
2A$12.2AB.9B.B3.B2.10B11.19B.B2A$11.A.AB2.6BA20B3.2B2.20B4.B$11.A5.5B
ABA4B2A6B2A32B$10.2A5.12BABA5B2A22B.9B$17.7BA6BA29B2.7B$16.8BA3BAB2A
29B2.7B$15.5BA3BA2B2A31B4.6B$14.4B2.4BA2.B2A5.13B.4B10.7B$13.4B3.A3B
2A3.3B3.7B.B5.3B12.6B$12.4B5.2ABA5.2A15.4B13.7B$11.A3B9.AB4.A16.2A15.
6B$10.A3B9.BA2B4.3A14.A15.5B$9.B3A10.A.A7.A11.3A15.6B$24.A20.A17.4B$
63.2B2AB$65.2A!

[Sphenocorona]

EDIT: Or this p572, which covers exactly one square mile if a cell is a foot:

Unfortunately that's not true, or the gun would be around 5280*5280 in dimensions and have an area of 27878400 square feet. That's far, far bigger than many of the recent guns for things like the crab, dart, and weekender.

[chris_c]

Haven't seen this improvement of the p550 gun

Not the smallest known according to the list here. The line for 550 in the "Gun List" section reads

Code: Select all

550 (5928, 'p00358_24')

which means that you can (hopefully) get a p550 gun of area 5928 by taking the gun here and extending it by 24 cells diagonally.

Or this p572

Also not small enough according to the above list.

Or this p501... p539... p511

Thanks. These are smaller and I have added them. By the way the p501 can be used to make a small p167.

#C p529

Also not smaller.

[calcyman]

EDIT: Or this p572, which covers exactly one square mile if a cell is a foot:

Unfortunately that's not true, or the gun would be around 5280*5280 in dimensions and have an area of 27878400 square feet. That's far, far bigger than many of the recent guns for things like the crab, dart, and weekender.

Replace 'foot' with 'chain' and the statement holds:

https://en.wikipedia.org/wiki/Chain_%28unit%29

See also:

http://www.math.ucr.edu/home/baez/inches.html

The strange emergence of the number 11 has the useful corollary that the order of the Mathieu group M12 (resp. M11) is exactly equal to the number of inches (resp. feet) in 1.5 miles. (Googling 'number of inches in 1.5 miles baez' did return this fact at the top of the search results, followed by a rather bizarre Daily Mail article in second place!)