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Thread for your unsure discoveries

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Re: Thread for your unsure discoveries

Postby mniemiec » July 13th, 2017, 6:49 pm

Gamedziner wrote:Is this catalytic glider reflector known?
bo$2bo$3o11$15b2o$15b2o11$3o$2bo$bo!

Yes. Peter Raynham found that over 40 years ago, and it may have already been known then. You can pretty much assume that all 1-glider collisions into small objects have been tried long ago, and that also includes symmetric arrangements of multiple reflected or rotated copies of one glider around small objects. This is not to say that you shouldn't try them - there is much to be learned, even in territory that has been previously explored. I'm just saying that if you make discoveries in such areas, they have likely been made before, many times, by many people, so posting them won't be useful. You can find many copies of this reflector in use on the wiki, or various pattern collections.
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Re: Thread for your unsure discoveries

Postby Gamedziner » July 13th, 2017, 9:52 pm

muzik wrote:Very well known. If you position the block differently, it also reflects backwards.
mniemiec wrote:Yes. Peter Raynham found that over 40 years ago, and it may have already been known then. You can pretty much assume that all 1-glider collisions into small objects have been tried long ago, and that also includes symmetric arrangements of multiple reflected or rotated copies of one glider around small objects. This is not to say that you shouldn't try them - there is much to be learned, even in territory that has been previously explored. I'm just saying that if you make discoveries in such areas, they have likely been made before, many times, by many people, so posting them won't be useful. You can find many copies of this reflector in use on the wiki, or various pattern collections.
Thank you both for informing me of this. (I saw muzik's reply earlier, but I was unsure as to how I should formulate a reply.)
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » July 14th, 2017, 12:38 pm

Compacted an 8G psuedo-SL synthesis from a while ago:

x = 32, y = 37, rule = B3/S23
11bo$10bo$10b3o3$29bo$29bobo$7bo21b2o$8bo$6b3o$2b3o$4bo10b2o$3bo10b2o$
16bo4$14b2o$13b2o$15bo$10b3o$12bo$11bo12$b2o$obo$2bo!


EDIT: Synthesis of heart with cis bun and wing in 9 gliders:

x = 39, y = 45, rule = B3/S23
bo$2bo$3o15$25bo$25bobo$25b2o5$16bo$15bobo10b2o$15bo2bo9bobo$16b2o10bo
3$25b2o$26b2o$25bo2$30b3o$30bo$31bo2$36b3o$36bo$37bo2$13b2o$14b2o$13bo!



EDIT2: Syntheses of p4s i'm not seeing anywhere else:

x = 75, y = 37, rule = B3/S23
3bo$bobo46bo$2b2o11bo35b2o9bo$16b2o32b2o9bo6bo$15b2o44b3o2b2o$7bo59b2o
$8bo21bo26bo$6b3o19b2o25bobo$29b2o25b2o2$42bo$42bobo$11bo30b2o29bo$9bo
bo60bo$10b2o60b3o2$12b2o$13b2o$12bo19bo$30b2o$31b2o2$33b2o$33bobo14b3o
$b2o30bo18bo$obo48bo$2bo2$14b2o$15b2o19b3o28b2o$14bo21bo30bobo$37bo29b
o$28b2o26b2o$27b2o28b2o2b3o$29bo11b2o13bo6bo9b2o$41bobo18bo9b2o$41bo
32bo!


EDIT3: Alternate 6G eater2 synthesis:

x = 14, y = 15, rule = B3/S23
3bo$3bobo$3b2o8bo$11b2o$2bo9b2o$obo$b2o3$10b2o$10bobo$10bo$b2o$obo$bo!


EDIT4: 8G synthesis:

x = 16, y = 48, rule = B3/S23
6bo$4bobo$5b2o4$8bobo$9b2o$9bo$11bo$11b2o$10bobo10$b2o$obo$2bo$13bo$
13bobo$13b2o10$3bobo$3b2o$4bo$6bo$5b2o$5bobo4$9b2o$9bobo$9bo!
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Re: Thread for your unsure discoveries

Postby Gamedziner » July 16th, 2017, 8:21 pm

Scorbie wrote:This is an accidental, unsure, and maybe useless, but I'll just post it in this thread.
Queen Bee phase shifting. There's slight possibility that we could make it to a p26...
x = 7, y = 7, rule = B3/S23
o4b2o$obo2b2o$bobo$bo2bo$bobo$obo2b2o$o4b2o!

This was posted a few years ago. However, I noticed something interesting: the queen bee is shifted one cell to the right after 28 generations. Could this mean that a (relatively) tiny c/28 spaceship is just waiting to be discovered, even if the stabilization is large?
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » July 16th, 2017, 8:22 pm

Three siamese loaves in 7 gliders:

x = 19, y = 23, rule = B3/S23
11bo$11bobo$11b2o2$17bo$16bo$3bo12b3o$4bo5b2o$2b3o4b2o$11bo$14bo$13b2o
$13bobo5$2o$b2o$o$6b2o$6bobo$6bo!


I don't know how many gliders this previously took, but I am approximately 99% sure this is an improvement if this is unknown, which it might not be, considering its simplicity.

EDIT: LWSS-on-LWSS pseudo-spaceship in 6 gliders:

x = 19, y = 24, rule = B3/S23
4b3o$4bo$5bo2$2b3o$4bo$3bo$8b2o$8bobo$3o5bo$2bo$bo9$10b2o$9b2o5b3o$11b
o4bo$17bo!


Is this known?

EDIT2: Oops, I already posted the accidental discoveries thread but forgot to delete it from my unpublished syntheses
Last edited by gmc_nxtman on July 17th, 2017, 1:10 am, edited 2 times in total.
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Re: Thread for your unsure discoveries

Postby mniemiec » July 17th, 2017, 1:04 am

gmc_nxtman wrote:Three siamese loaves in 7 gliders: ...

This is 17.3272, and I am not aware of any previous synthesis of it. This is simple, and unlikely to be improved.
gmc_nxtman wrote:EDIT: LWSS-on-LWSS pseudo-spaceship in 6 gliders: ... Is this known?

Didn't you just post a mirror-image of this 5 days ago? (I noted the date, but not which forum it was on). The mechanism was indeed known, but it used to take 5 gliders to make the HF+3/4TL combo, for a total of 7. You doing it from only 4 reduces this.
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Re: Thread for your unsure discoveries

Postby wildmyron » July 17th, 2017, 2:27 am

mniemiec wrote:
gmc_nxtman wrote:Three siamese loaves in 7 gliders: ...

This is 17.3272, and I am not aware of any previous synthesis of it. This is simple, and unlikely to be improved.

Surely the completion of the 17-bit SL Syntheses thread means that there was a known synthesis?
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Re: Thread for your unsure discoveries

Postby mniemiec » July 17th, 2017, 5:53 am

wildmyron wrote:Surely the completion of the 17-bit SL Syntheses[/url] thread means that there was a known synthesis?

The completion of the 15...18-bit still-lifes synthesis projects only provided explicit syntheses for those still-lifes that had not previously been determined to be trivially buildable from smaller/simpler ones (for example, for the 17-bit ones, there are 3286 still-lifes, 198 of which are non-trivial in this sense). The combination of the many trivial implicit syntheses, plus the remaining manual explicit syntheses, provided exhaustive proofs that all still-lifes of these sizes have syntheses.

In this case, each of the two teardrops could be made from a carrier for 4 gliders, so it could be made from 15.918 (my notes say this costs 10, but I haven't cross-checked it with Bob Shemyakin's latest lists), for a total of 18.
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » July 17th, 2017, 5:37 pm

A really odd component:

x = 22, y = 22, rule = B3/S23
9bo$9b3o$12bo$11b2o6$o$b2o$2o6bobo2b2o4b2o$9b2ob2o5bobo$9bo4bo4bo5$5b
2o$6b2o6bo$5bo7b2o$13bobo!


The middle object at T=16 was brute-forced, so someone can probably find a more elegant/cheap version.

EDIT: Popseq found this but there's no clearance (cri) (sayad):

x = 25, y = 20, rule = B3/S23
16bo$15b2o$15bobo$11b3o$13bo$9bo2bo5b2o$2b2o14bobo$bobo3bo2bo7bo$bo$2o
3bo2bo5b2o$13bobo$3bo2bo8bo2$bo2bo2$2bo2$22b3o$22bo$23bo!


EDIT2: 9G Component to extend a vessel by 5 that is probably overexpensive:

x = 20, y = 20, rule = B3/S23
19bo$17b2o$18b2o2$16bo$12bob2o$10bobo2b2o$11b2o3$6bo$7bo$5b3o$15bo$5bo
8bobo$5b2o6bo2bo$4bobo7b2o$bo16bo$b2o14bobo$obo15bo!


At least it beats extending it once five times...
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Re: Thread for your unsure discoveries

Postby Rhombic » July 21st, 2017, 12:58 pm

Partial c/3:
x = 9, y = 13, rule = B3/S23
5bo$b2obobo$b2o4bo$b3o3bo2$3b2ob2o$4bobobo$b2obobobo$b7o$6bo$b2o3bo$2o
3b2o$3o!
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » July 31st, 2017, 7:23 pm

Reduced the tail-to-snake component:

x = 74, y = 30, rule = B3/S23
obo$b2o17bobo$bo18b2o$21bo$58bo$3bobo45bobo5b2o$4b2o46b2o4b2o8bo$4bo6b
2o7bo31bo14bo$11bo8bobo44b3o$12b3o5b2o$14bo$9b2o12bo33b2o12bo$9b2o7bo
4bobo31b2o7bo4bobo$18bobo2b2o41bobo2b2o$9b2o7b2o37b2o7b2o$3bob2obobo5b
o34bob2obobo5bo$3b2obobo7bo34b2obobo7bo$6bobo7bo37bobo7bo$6b2o46b2o3$
14bo47bo$13b2o46b2o$13bobo45bobo$5bo47bo$5b2o46b2o11b2o$4bobo45bobo11b
obo$21bo44bo$20b2o$20bobo!
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Re: Thread for your unsure discoveries

Postby AbhpzTa » August 1st, 2017, 3:09 am

gmc_nxtman wrote:Reduced the tail-to-snake component:

x = 74, y = 30, rule = B3/S23
obo$b2o17bobo$bo18b2o$21bo$58bo$3bobo45bobo5b2o$4b2o46b2o4b2o8bo$4bo6b
2o7bo31bo14bo$11bo8bobo44b3o$12b3o5b2o$14bo$9b2o12bo33b2o12bo$9b2o7bo
4bobo31b2o7bo4bobo$18bobo2b2o41bobo2b2o$9b2o7b2o37b2o7b2o$3bob2obobo5b
o34bob2obobo5bo$3b2obobo7bo34b2obobo7bo$6bobo7bo37bobo7bo$6b2o46b2o3$
14bo47bo$13b2o46b2o$13bobo45bobo$5bo47bo$5b2o46b2o11b2o$4bobo45bobo11b
obo$21bo44bo$20b2o$20bobo!

This should be
x = 23, y = 24, rule = B3/S23
7bo$obo5b2o$b2o4b2o8bo$bo14bo$16b3o3$6b2o12bo$6b2o7bo4bobo$15bobo2b2o$
6b2o7b2o$2b2obobo5bo$bobobo7bo$bobobo7bo$2bobo$3bo2$11bo$10b2o$10bobo$
2bo$2b2o11b2o$bobo11bobo$15bo!
or
x = 23, y = 24, rule = B3/S23
7bo$obo5b2o$b2o4b2o8bo$bo14bo$16b3o3$6b2o12bo$6b2o7bo4bobo$15bobo2b2o$
6b2o7b2o$2b2obobo5bo$3bobo7bo$3bobo7bo$bob2o$obo$obo$bo9bo$10b2o$10bob
o$2bo$2b2o11b2o$bobo11bobo$15bo!

because:
x = 13, y = 17, rule = B3/S23
7b2o$8bo$ob2ob3o$2obobo$3bobo$3b2o3$6b2o$7b2o$6bo3b2o$10bobo$10bo2$5bo
$5b2o$4bobo!


and more clearance:
x = 23, y = 30, rule = B3/S23
7bo$obo5b2o$b2o4b2o8bo$bo14bo$16b3o3$6b2o12bo$6b2o7bo4bobo$15bobo2b2o$
6b2o7b2o$3bobobo5bo$b3obo7bo$o4bo7bo$2ob2o$bobo$bobo$2bo8bo$10b2o$10bo
bo3$4b3o$6bo$5bo3$12b3o$12bo$13bo!
Iteration of sigma(n)+tau(n)-n [sigma(n)+tau(n)-n : OEIS A163163] (e.g. 16,20,28,34,24,44,46,30,50,49,11,3,3, ...) :
965808 is period 336 (max = 207085118608).
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » August 1st, 2017, 10:24 am

AbhpzTa wrote:This should be... or.. because:..


I should've noticed that. Thanks!

AbhpzTa wrote:and more clearance:..


Unfortunately, this version (at least the initial two-glider collision) is already in the collection.

Meanwhile, broken heart with loaf in 6 gliders:

x = 25, y = 28, rule = B3/S23
14bo$13bo$13b3o2$obo$b2o$bo5$16b3o$16bo$17bo2$15b2o$14bobo$16bo$6b2o$
5bobo$7bo5$22b2o$22bobo$22bo!


Is this known?

EDIT: Broken heart with beehive and bit in 9G, ignoring that the block and loaf can probably be done in 3G:

x = 110, y = 15, rule = B3/S23
48bo42bo$49b2o38bobo$48b2o40b2o16bo$66bo40bo$67bo24bo14b3o$65b3o24bo
11b2o$92bo10bo2bo$o8bo86b2o5bobo$b2o7bo54b3o28bobo5bo$2o6b3o30bo25bo5b
o23bobo$40bobo23bo5bobo20bobo2bo$10b2o28bo2bo28bo2bo18bobobobo$3b2o5bo
bo28b2o30b2o19bobob2o$4b2o4bo25b2o30b2o25bo$3bo32b2o30b2o!
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Re: Thread for your unsure discoveries

Postby Rhombic » August 2nd, 2017, 3:39 pm

Is this transparent B boat-->ship known? The B crashes into the ship, but if you remove the ship as soon as it's formed, you can tell that the Herschel bit is unaffected!
x = 6, y = 18, rule = B3/S23
2o$obo$bo13$4bo$3b3o$2b2obo!


EDIT:
x = 20, y = 14, rule = B3/S23
13b3o$8b3o$7bo3bo5bo$7bo4bo4bo$7bo4bo4b2o$4bo3bo3bo6bo$4bo4b3o7bo$4bo
2$3o3b3o2$4bo$4bo$4bo!
Last edited by Rhombic on August 10th, 2017, 11:44 am, edited 1 time in total.
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » August 2nd, 2017, 4:12 pm

Yet another 18-bit SL improvement, 18.327 (xs18_3pm44mp3) in nine gliders:

x = 28, y = 25, rule = B3/S23
11bo$2bo7bo$obo7b3o3bo$b2o13bobo$16b2o$26bo$25bo$16bobo6b3o$16b2o$7bob
o7bo$8b2o$8bo8b2o$17bobo$17bo6$14b2o$13b2o$15bo$22b3o$22bo$23bo!


Again, seems like it would already be known.
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Re: Thread for your unsure discoveries

Postby mniemiec » August 2nd, 2017, 6:10 pm

gmc_nxtman wrote:Meanwhile, broken heart with loaf in 6 gliders: ... Is this known?

Nice. I've never seen it before. 18.7327.
gmc_nxtman wrote:Broken heart with beehive and bit in 9G, ignoring that the block and loaf can probably be done in 3G: ...

This (18.6231) can indeed be reduced by one. 2 more gliders to 17.3266 (Broken heart w/beehive):
x = 214, y = 20, rule = B3/S23
45bo$46bo$44b3o3$26b3o17b3o17boo18boo$6bo59boo18boo34bo29bo19bo19bo19b
o$3obobo14boo18boo18boo18boo35boobobo24boobobo14boobobo14boobobo14boob
obo$bbobboo13bobbo16bobbo16bobbo16bobbo33bobobobo23bobobobo13bobobobo
13bobobobo13bobobobo$bo19bobo17bobo17bobo17bobo5bo27bobbobo24bobbobo
14bobbobo14bobbobo14bobbobo$22bo19bo19bo19bo5bo29bobo27bobo17bobo17bob
o17bobo$88b3o22bo5bobo21bo5bobo17bobo17bobo17bobo$112bobo5boo20bobo5b
oo18boo18boo18bo$111bobbo10bo15bobbo10bo$88b3o21boo11bo16boo11bo29boo$
88bo36bo12b3o14bo28bobo$89bo50bo45bo$106boo31bo16boo30b3o$105boo49bobo
29bo$107bo48bo32bo!
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » August 3rd, 2017, 3:17 pm

18.2902 (xs18_035s26z69611) in 9G:

x = 38, y = 34, rule = B3/S23
3bo14bo$4bo11b2o$2b3o12b2o2$35bo$35bobo$35b2o$7bo$8b2o$7b2o8$22b2o2bob
o$23b2ob2o$22bo4bo$4b3o5b2o$6bo6b2o$5bo6bo9$3o$2bo$bo!


I'm posting these here mostly because I'm unsure if there are cheaper methods.

EDIT: Another 6-glider jam synthesis but it doesn't seem as useful:

x = 39, y = 39, rule = B3/S23
6bo$4bobo$5b2o22$27b2o2b2o$26bobo2bobo$28bo2bo2$b2o$obo$2bo$37bo$36b2o
$36bobo3$29b2o$28bobo$30bo!


EDIT2: 18.3317 (xs18_062s53z69611) in 9G, probably 8G if the honeyfarm+boat can be made in 3G:

x = 40, y = 36, rule = B3/S23
37bobo$37b2o$38bo7$22bo$23bo11bobo$21b3o11b2o$36bo3$19bo$17bobo2b2o$
18b2ob2o$23bo4$12b2o$13b2o7bo$12bo8b2o$21bobo8$2o18bo$b2o16b2o$o18bobo!
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Re: Thread for your unsure discoveries

Postby mniemiec » August 3rd, 2017, 6:01 pm

gmc_nxtman wrote:EDIT: Another 6-glider jam synthesis but it doesn't seem as useful: ...

It is definitely useful! This is somewhat edgy (on the "spoon" end), so it allows synthesis of the two remaining unknown jam-on-jam pseudo-oscillators (EDIT: from 12 gliders. Furthermore, these are cheaper than any the 6 conventional ones that induct stators, which take 14-15 gliders each). Unfortunately, it forms irregularly (i.e. its first two cycles are period 3 and 4 before it settles down), so while it can be combined with itself, it will be less likely to be able to be combined with others. I don't know of any caterer syntheses that are edgy on the same edge.
The caterer synthesis that involves two gliders into a constellation is edgy on the opposite edge, and it can be used to form one of the caterer-on-caterer pseudo-oscillators, but it also forms irregularly, so the rotationally-symmetric version doesn't work. (The 9 remaining unsolved basic non-trivial P3 pseudo-oscillators and the one similar P4 up to 26 bits are also shown below).
x = 192, y = 93, rule = B3/S23
133b3o$$131bo5bo$131bo5bo$131bo5bo$161boo$161boo$8bobo57bobo$8boo58boo
70bobo$9bo59bo70boo$141bo$bo59bo71b3o$bbo59bo72bo34bo$3o57b3o71bo35bo$
170bo$96bobo$96boo68b3o3b3o$35bobo59bo$35boo133bo7bo$5bobobbobo23bo28b
obobbobo97bo7bo$6boobboo54boobboo98bo7bo$6bo4bo54bo4bo62bo$133bobo38b
3o3b3o$133bobo$134bo5bo37bo$32bobo30bobo71bobo36bo$32boo32boo71boo37bo
$33bo32bo104boo$47boo58boo61bo$46bobbo56bobbo63bo$46bobobbo54bobobbo
57bo3bo$47bo3bo55bo3bo54b4o3bo$51bo59bo59bo$48bo59bo$49boo58boo60bo$
166b4o3bo$49boo58boo58bo3bo$48bo62bo61bo$51bo56bo61bo$47bo3bo56bo3bo
58boo$46bobobbo56bobbobo25boo37bo$46bobbo60bobbo25bobo36bo$47boo62boo
21bo5bo37bo$93bo39bobo$4b3o85boo39bobo38b3o3b3o$6bo85bobo39bo$5bo164bo
7bo$170bo7bo$170bo7bo$6bo4bo76bo4bo$6boobboo76boobboo72b3o3b3o$5bobobb
obo74bobobbobo$170bo$37bo24bo107bo$36boo24boo73bobo30bo$36bobo22bobo
73boo$138bo$3o94b3o$bbo94bo44bo$bo96bo42boo$141bobo17boo$9bo80bo70boo$
8boo80boo39bo5bo$8bobo78bobo39bo5bo$131bo5bo$$133b3o11$11boo$10bo136b
oo18boo18boo$13bo15bo19bo19bo19bo19bo19bo16bobbo16bobbo16bobbo$9bo3bo
10b4o3bo12b4o3bo12b4o3bo12b4o3bo12b4o3bo12b4o3bo14bobobbo14bobobbo14bo
bobo$6b4o3bo13bo3bo15bo3bo15bo3bo15bo3bo15bo3bo15bo3bo15bo3bo15bo3bo
15bobbo$11bo19bo19bo19bo19bo19bo19bo19bo19bo19bo$28bo19bo19bo19bo19bo
19bo19bo19bo19bobo$4bo24boo18boo18boo18boo18boo18boo18boo18boo$bbo3b4o
178bobo$bbo3bo22boo18boo18boo18boo18boo18boo18boo18boo20bo$bbo25bo22bo
16bo22bo13bob4o18b4obo10bob4o18b4obo12bobbo$5bo25bo16bo22bo16bo14b3obb
obo18bobobb3o6b3obbobo18bobobb3o9bobobo$3boo22bo3bo16bo3bo14bo3bo16bo
3bo93bobbo$24b4o3bo16bo3b4o10bobobbo16bobbobo11boo26boo10boo26boo12boo
$29bo20bo15bobbo20bobbo12bo26bo12bo26bo$67boo22boo!
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Re: Thread for your unsure discoveries

Postby 2718281828 » August 9th, 2017, 7:32 pm

I studied a bit the collision between of a glider and a blinker. In most of all constellations all cells disappear.
However, similarly as for glider-glider collisions other outputs are possible. This is:
- block
- blinker
- traffic light
- ship
- loaf
- pond
such as three Methuselah:
- #1 a house (which is essentially the Methuselah from the Pi-heptomino, it produces no gliders)
- #2 a 8J (see http://codercontest.com/mniemiec/meth.htm#meth-8 , it produces 2 gliders)
and another Methuselah, that is not in the actual data base (http://codercontest.com/mniemiec/lifesrch.htm), I call a glider-blinker mess:

The #3 Methuselah has a lifespan of 2604 generations (just above the glider-mango mess) with a final (constant) population of 279.
It produces:
blinker: 30 (including 3 traffic lights)
blocks: 27
beehive: 6
glider:5
boat: 4

So, it produces 5 new gliders (that fly in three different directions) which is more than any collision of two gliders. This might be used to build fancy chains.

I know that the Methuselah itself is not that impressive, but as it results from a glider collusion with one of the most present object it is worth considering it. By the way, unfortunately a collision between a block and a glider never produces any glider.

The glider-blinker mess:
x = 5, y = 6, rule = B3/S23
o$o$o$2b3o$2bo$3bo!
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Re: Thread for your unsure discoveries

Postby Rhombic » August 10th, 2017, 11:49 am

6-7 G synthesis:
x = 22, y = 14, rule = B3/S23
13b3o$8b3o$7bo3bo5bo$7bo4bo4bobo$7bo4bo4b2o$4bo3bo3bo$4bo4b3o$4bo$19b
3o$3o3b3o10bo$20bo$4bo$4bo$4bo!
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Re: Thread for your unsure discoveries

Postby muzik » August 10th, 2017, 11:52 am

Diagonal professor?
2c/n spaceships project

Current priorities: see here
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Re: Thread for your unsure discoveries

Postby mniemiec » August 10th, 2017, 6:05 pm

Rhombic wrote:6-7 G synthesis: ...

Cute! Normally, a traffic light takes 2, a blinker takes 2, and a bakery takes 3. This adds up to 9. How are you doing it in 6-7? Do you have a way of making two of those components more cheaply?
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Re: Thread for your unsure discoveries

Postby BlinkerSpawn » August 14th, 2017, 1:04 pm

Is there a 3G synthesis of the two-pi spark (piehard?) that can make this synthesis work for 10G?
(Is the 13G synthesis listed in the collection the best known?)
x = 57, y = 41, rule = B3/S23
55bo$54bo$54b3o8$5bo14bo$6bo11b2o15bo$4b3o12b2o12b2o$34b2o$27bo$25bobo
$obo23b2o$b2o$bo6$26b2o$25bobo$27bo$34b2o$4b3o12b2o12b2o$6bo11b2o15bo$
5bo14bo8$54b3o$54bo$55bo!
LifeWiki: Like Wikipedia but with more spaceships. [citation needed]
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Re: Thread for your unsure discoveries

Postby mniemiec » August 14th, 2017, 1:21 pm

BlinkerSpawn wrote:Is there a 3G synthesis of the two-pi spark (piehard?) that can make this synthesis work for 10G? (Is the 13G synthesis listed in the collection the best known?) ...

Unfortunately, this synthesis doesn't work as shown, because one glider from each pi interacts with one glider from each B heptomino early.

13 is the best that I was able to come up with, and I doubt anyone has a better one, as most people don't tend to be interested in pseudo-objects most of the time, unless they're necessary ingredients in a larger synthesis. It's quite possible that the "pi hard" comes up from 3 gliders somewhere, but I don't have any instances of it doing so.
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Re: Thread for your unsure discoveries

Postby gmc_nxtman » August 14th, 2017, 6:33 pm

BlinkerSpawn wrote:Is there a 3G synthesis of the two-pi spark (piehard?) that can make this synthesis work for 10G?...


Some tweaks down to 9G:

x = 53, y = 24, rule = B3/S23
50bo$16bo33bobo$14b2o34b2o$2bo12b2o$obo$b2o2$31bo$25bo5bobo$24bo6b2o$
24b3o$21b2o$20b2o$22bo2$31b2o$31bobo$31bo2$b2o$obo$2bo12b2o$14b2o$16bo
!
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