Spaceship Discussion Thread

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.
Sokwe
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Re: Spaceship Discussion Thread

Post by Sokwe » July 28th, 2020, 7:41 am

SQalie wrote:
July 28th, 2020, 4:45 am
Is this a c/3 spaceship already discovered ?
As yujh said, probably not, although there are a lot of c/3 ships, so we don't document them all. How did you find it?
amling wrote:
July 27th, 2020, 11:44 am
right before that complex part is already the previously-known connection
Nice catch! This is much more elegant. I see that the connection to the descending component is not in exactly the same place, so I guess my component is new, although not very useful. It can be used to build a repeatable flat (i.e., neither ascending nor descending) component:

Code: Select all

x = 136, y = 48, rule = B3/S23
17b2o35bo$16b3o33b2obo33b3o34bo$14bo35b3o34b2ob2o31b2ob2o$13b2obo32bo
2bo32b2obobo31bobobo$12b2o34bo36b2o3b2o29b2o3bo$13b2ob3o30bo2bo2bo29b
2obob2o30bobo2bo$14bo35b4obo31b3o33b2obo$16bo35bob3o34bo$21bo32b3o34b
2o34b2o$17b2obo10b2o21bo2bo10bo21bo2bo33b2o$17bo13bo2bo18bo13b4o20b2o
10b3o21b2o$16b2o12bo3b2o16bo4bo8bo2b2o18b5o8bo2bob2o$15b3o2b2o7b3o2b2o
16bo5bo7bo5bo15b3o11b3o19b3o2b2o$16bo3b2o8b2o20bo2b2o9bo4bo16bo2bob2o
8b5o17bobo$17bo2bo10bo21b4o10bo21b3o13b2o19bo3bo$17b2o12b2o21bo13bobo
33bobo19bo3bo$68b2o35bo$19bo8bo2bo23bo9bob2o34bo23bo$18b2o7b2o2b3o20bo
bo6b2o3bo21b3o7b4o2bo23bo$17bo8bo3bo22bo9bo6bo19b2o7b2ob2o2bo19b2obo$
15bob2o8b7o16bo2b3o7b7o15bobo2b2o8b2o2b2o16b2o2bo$11b8o9b5o15bo2b2o32b
o2bo32b3o$8bo4b5o13bo14b2obo27bobo2b2o3bo26b2o2bo2bobo$4b2ob2o3b2o3b3o
10b3o7b2ob6obo2b2o11b3o8bobo2b2ob6o12b2o8b3o2b2ob2o$3b2obo8bobo10b2o2b
o7bo3bo9b2o9bo2bo7bo3bo7bo2bo9b2obo7bo7bo3b4o$4bo2b8o7bo5b3o9bobob8o3b
3o6b2o11b2ob8o4bo8b2o10b2ob8ob2obo$5bo11bobo3bo3bo13bo11bob4o4bo3bo9b
2o13b2o2b2obo3bo10b2o13bo3bo$6b14o3bo3b4o11b12o3b3o3b4o12b12o3b9o13b
12o2bob4o$8bo16bo7bo10bo11bo12bo35bo2bo22bo$9b25o12b24o3bo8b24o2bo9b
18o$2bo5bo26bo2bo6bo28bo2bo3bo28bob2o3bo$3o4b32o3bob31o2bo3b33o3b19o$
4bo38bo35bo$136o2$136o2$136o2$136o2$136o2$136o2$136o2$136o!
-Matthias Merzenich

amling
Posts: 49
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Re: Spaceship Discussion Thread

Post by amling » July 28th, 2020, 12:42 pm

Sokwe wrote:
July 28th, 2020, 7:41 am
It can be used to build a repeatable flat (i.e., neither ascending nor descending) component:
Given components that connect all ways you can obviously produce any weighted sum. Generally this will let you make level edges as long as you've got an ascending and a descending. E.g. combining these two components 2 to 1:

Shrinks 2 width every 5.4 length:

Code: Select all

x = 65, y = 22, rule = B3/S23
7bob2o$11o$14bo$16o$16bo2bo$20o$21bo2bo$25o3bo$29bo2bo$30o2bo$34bob2o$
38o$41bo$43o$43bo2bo$47o$48bo2bo$52o3bo$56bo2bo$57o2bo$61bob2o$65o!
Expands 4 width every 34.2 length:

Code: Select all

x = 174, y = 59, rule = B3/S23
156bo$151b3o2b3o$153bo$149b2o3bo$120b2o2bo24bo2b3ob3o$120b3o26b3ob6o$
116b3obo34b3o$115bobobob3obo$84bo3bo26bo3b6o$84b2o2b2o25bo31b2o2b2o$
82b2ob2o2bo26bobo27b2ob2o2bo$81b2obob2obo57b4o2bo$52bobo25bo3bo5bo22bo
5bo30bo$49bo4bo26b3o29bo5bo32bo$48b3o4bo26bo7bo21bo38bobo$47bobo38bo
24b6o33b2o$16b2o2b2o24b2o2b2o4bo56b2o2bo32b5o$18b4o25b2o2b5o22b7o32b2o
30b3o$13b2o6b2o55bo6bo31b2o30bo2bob2o$13b2obob5o55b2o3bo66b3o$12bo3b2o
62bob2o31bo2bo$13b3o28b2o37b2o30bo4b2o$13b3o28bo2b4o32bobo29bo3bo$44bo
2b4o31bo33b6o29b3o$11b5o29bo35bo4bo30b2o32b2o$10b7o31bo32bo5bo30bo27bo
bo2b2o$9bo3bo35b2o30bo2b2o32b2o26bo2bo16bo$10b2o2b3o32b2o31b4o32b2o18b
obo2b2o3bo16b4o$11bo2bo68bo32b2obo18bobo2b2ob6o17bo$46b3o2b2o59b2obo
21bo3bo7bo2bo9b2ob2o$14b2o31bobo34bo27bo25b2ob8o4bo8b4o2bo$14bo33bo3bo
30bobo21b2o2bo7bo11b2o5b2o13b2o2b2obo9bo$13b2o33bo3bo29bo20b6o3b2o15bo
bo3bo4b12o3b16o$12b3o2b2o60bo2b3o18bo2bo3bo5b2o10bo2bob2o37bo$13bo3b2o
30bo27bo2b2o15b2o4b2ob9obobo8bo3b3o9b31o$14bo2bo34bo22b2obo18b4o4bo11b
obo2b2o3bo7bo2bo3bo$14b2o32b2obo17b2ob6obo2b2o12bo3bo5b12obo4bob10o2bo
3b32o$44b2o2bo20bo3bo9b2o9bo2b2o22bo3bo14bo$16bo26b3o23bobob8o3b3o6b2o
2b2o9b66o$15b2o19b2o2bo2bobo16b3o5bo11bob4o4bo9bo4bo$14bo20b3o2b2ob2o
18bob2o4b12o3b3o3b12o3b67o$12bob2o18bo7bo3b4o10bo2bob2o6bo11bo18bo$8b
8o13bo5b2ob8ob2obo8b2o2bobo9b99o$5bo4b5o13bo3bo3b2o13bo3bo5bo5bo6bo$b
2ob2o3b2o3b3o11bo3bo5b12o2bob14o3bob101o$2obo8bobo10b4ob2o21bo18bo$bo
2b8o7bo5b2o2b2o9b134o$2bo11bobo3bo3bo7bob2o3bo$3b14o3bo3b12o3b135o$5bo
16bo$6b168o$5bo$4b170o$bo$174o2$174o2$174o!
Produces 2 * (-2, 5.4) + 1 * (4, 34.2) = (0, 45), a level side repeating every 45 length:

Code: Select all

x = 183, y = 65, rule = B3/S23
27bo3bo40bo3bo40bo3bo40bo3bo$27b2o2b2o39b2o2b2o39b2o2b2o39b2o2b2o$25b
2ob2o2bo37b2ob2o2bo37b2ob2o2bo37b2ob2o2bo$24b2obob2obo36b2obob2obo36b
2obob2obo36b2obob2obo$23bo3bo5bo34bo3bo5bo34bo3bo5bo34bo3bo5bo$24b3o
42b3o42b3o42b3o$25bo7bo36bo7bo36bo7bo36bo7bo$31bo44bo44bo44bo2$21b7o
38b7o38b7o38b7o$21bo6bo37bo6bo37bo6bo37bo6bo$21b2o3bo39b2o3bo39b2o3bo
39b2o3bo$23bob2o41bob2o41bob2o41bob2o$26b2o43b2o43b2o43b2o$26bobo42bob
o42bobo42bobo$25bo44bo44bo44bo$24bo4bo39bo4bo39bo4bo39bo4bo$24bo5bo38b
o5bo38bo5bo38bo5bo$24bo2b2o40bo2b2o40bo2b2o40bo2b2o$25b4o41b4o41b4o41b
4o$26bo44bo44bo44bo2$27bo44bo44bo44bo$26bobo42bobo42bobo42bobo$25bo44b
o44bo44bo$22bo2b3o39bo2b3o39bo2b3o39bo2b3o$20bo2b2o15b2o23bo2b2o15b2o
23bo2b2o15b2o23bo2b2o15b2o$18b2obo18b4o19b2obo18b4o19b2obo18b4o19b2obo
18b4o$12b2ob6obo2b2o12bo3bo13b2ob6obo2b2o12bo3bo13b2ob6obo2b2o12bo3bo
13b2ob6obo2b2o12bo3bo$12bo3bo9b2o9bo2b2o15bo3bo9b2o9bo2b2o15bo3bo9b2o
9bo2b2o15bo3bo9b2o9bo2b2o$12bobob8o3b3o6b2o2b2o15bobob8o3b3o6b2o2b2o
15bobob8o3b3o6b2o2b2o15bobob8o3b3o6b2o2b2o$o12bo11bob4o4bo9bo12bo11bob
4o4bo9bo12bo11bob4o4bo9bo12bo11bob4o4bo9bo$2o12b12o3b3o3b12o12b12o3b3o
3b12o12b12o3b3o3b12o12b12o3b3o3b12o$2bo2bo10bo11bo18bo2bo10bo11bo18bo
2bo10bo11bo18bo2bo10bo11bo18bo$6o12b33o12b33o12b33o12b30o$7bo2bo6bo34b
o2bo6bo34bo2bo6bo34bo2bo6bo$11o3bob40o3bob40o3bob40o3bob32o$15bo44bo
44bo44bo$183o2$183o2$183o2$183o2$183o2$183o2$183o2$183o2$183o2$183o2$
183o2$183o2$183o2$183o!
This same averaging business can be used on slopes quite generally which I think is why we're always hunting the extreme slopes.

HartmutHolzwart
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Re: Spaceship Discussion Thread

Post by HartmutHolzwart » August 3rd, 2020, 4:30 am

Here is a steep descent for a 2c/5 grey ship. So far I could not combine this with the other components.

Code: Select all

x = 28, y = 53, rule = B3/S23
5$9bobobo$8obobobo$7bobob2o$7o2bo2bo$9bo$8obobobobo$9bobobobo$9o2bob2o
$9bobo2bo$9o2bo$11bobobobo$12obobobo$11bobob2o$11o2bo2bo$13bo$12obobob
obo$13bobobobo$13o2bob2o$13bobo2bo$13o2bo$15bobobobo$16obobobo$15bobob
2o$15o2bo2bo$17bo$16obobobobo$17bobobobo$17o2bob2o$17bobo2bo$17o2bo$
19bobobobo$20obobobo$19bobob2o$19o2bo2bo$21bo$20obobobobo$21bobobobo$
21o2bob2o$21bobo2bo$21o2bo$23bo$24o$23bo$23o!

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LaundryPizza03
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Re: Spaceship Discussion Thread

Post by LaundryPizza03 » August 3rd, 2020, 8:58 pm

At the OCA thread on adjustable ships, there was a discussion of spaceships with fixed speed and adjustable period. They consist of a spaceship bouncing back and forth between two copies of another spaceship, like this one with a c/2d ship between two c/2o's:

Code: Select all

#Arie Paap, 22 June 2020
x = 6, y = 17, rule = B2ac3aekqy4ent5y6ae8/S12n3-ai4aeijn5ae6n7e
2bo$4bo$b3o$4bo$2bo2$obo$2bo$3bo6$2bobo$bob3o$2bobo!
If there is a c/4 orthogonal spaceship with period at least 12 and a duoplet spark, we could build a similar ship in regular Life.

EDIT: No wait, the duoplet reflects in such a way that the glider will advance 1 cell every two reflections. Any suggestions on how to compensate for this?

Code: Select all

#C [[ AUTOSTART GPS 4 STOP 12 ]]
#C [[ PASTET 6 PASTE bo$o! 5 10 ]]
x = 5, y = 10, rule = B3/S23
b2o$obo$2bo3$3bo$4bo$b2o$obo$2bo!

Code: Select all

x = 4, y = 3, rule = B3-q4z5y/S234k5j
2b2o$b2o$2o!
LaundryPizza03 at Wikipedia

The latest edition of new-gliders.db.txt and oscillators.db.txt have 31150 spaceships and 1205 oscillators from outer-totalistic rules. You are invited to help!

wildmyron
Posts: 1447
Joined: August 9th, 2013, 12:45 am

Re: Spaceship Discussion Thread

Post by wildmyron » August 3rd, 2020, 11:49 pm

LaundryPizza03 wrote:
August 3rd, 2020, 8:58 pm
At the OCA thread on adjustable ships, there was a discussion of spaceships with fixed speed and adjustable period. They consist of a spaceship bouncing back and forth between two copies of another spaceship, like this one with a c/2d ship between two c/2o's:

Code: Select all

#Arie Paap, 22 June 2020
x = 6, y = 17, rule = B2ac3aekqy4ent5y6ae8/S12n3-ai4aeijn5ae6n7e
2bo$4bo$b3o$4bo$2bo2$obo$2bo$3bo6$2bobo$bob3o$2bobo!
For the record, this one has adjustable speed because the bounce reaction advances the spaceships (one gen for the c/2d and two gens for the c/2o). The post did include a fixed speed 2c/3 with adjustable period though. The idea was partly inspired by a discovery from some time ago (March 2018) of fixed speed, adjustable period c/2 spaceships: https://conwaylife.com/forums/viewtopic ... 920#p57920

Code: Select all

x = 5, y = 17, rule = B2aei3cekq4jknrt5ejkry6-kn8/S1c2-ae3cinqr4aentw5-ackr6ace7c
2bo$2o2bo$2bobo$o3bo2$obo$3bo2$3bo5$o3bo$2bobo$2o2bo$2bo!
If there is a c/4 orthogonal spaceship with period at least 12 and a duoplet spark, we could build a similar ship in regular Life.
I considered this possibility at the time but didn't spend much time looking into it. It would be great to find something like that. I'll have a close look at the js-life moving collection to see if there's anything suitable.
EDIT: No wait, the duoplet reflects in such a way that the glider will advance 1 cell every two reflections. Any suggestions on how to compensate for this?

Code: Select all

#C [[ AUTOSTART GPS 4 STOP 12 ]]
#C [[ PASTET 6 PASTE bo$o! 5 10 ]]
x = 5, y = 10, rule = B3/S23
b2o$obo$2bo3$3bo$4bo$b2o$obo$2bo!
That's unfortunate. There would either need to be a reaction which doesn't affect the phase of the glider or two reactions with effects that cancel out - one advancing and one retarding.
The latest version of the 5S Project contains over 226,000 spaceships. There is also a GitHub mirror of the collection. Tabulated pages up to period 160 (out of date) are available on the LifeWiki.

HartmutHolzwart
Posts: 506
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Location: Germany

Re: Spaceship Discussion Thread

Post by HartmutHolzwart » August 7th, 2020, 12:26 pm

A left over 2c/5 wave from 2006 or so I thought I could complete now with increased computing power:

Code: Select all

x = 118, y = 87, rule = B3/S23
7$4bo$2b2ob2o$2b2ob2o$3bo3b3o$3b2o2bo3bo$7bo3b2o$7bo5bob2o$7bo3bobobob
2o$8bo2bobo5bobo$9b3obobo4bob2o$12b2obobo2bob2o$14bo7bob3o$15b5o5b2o$
15bo3bo8bo$24b5o$30bo$23b7ob3o3bo$23b4o4bobob2ob2o$28b2obob2obob2o$27b
4o6b2ob3o$41b2o$44bo$40b5o$46bo$39b7ob3o3bo$39b4o4bobob2ob2o$44b2obob
2obob2o$43b4o6b2ob3o$57b2o$60bo$56b5o$62bo$55b7ob3o3bo$55b4o4bobob2ob
2o$60b2obob2obob2o$59b4o6b2ob3ob3o$73b2ob3o$72bo3b2obo$70bo3bo5bo$68b
2obo9b2o2b2o$69bo2bo8bo4b2o$69b2o9b2o5bo$83bob3o5bo$86b3o3b3o$92bo2bo$
86bo2bo4bobo$87b2o4bo2bo$95bo2$94bo$91b2o$91bo2bo$89b2o2b2o$89b3o$89bo
bo$92bo2b2o$89bo2b2o2bo$87b2ob4o2bo$87b2ob2o$88bobobo$88bo4b2o$89b2o3b
2o2$92bo3bo$93bo3bo$97b2o$94b2o$94b3o!

HartmutHolzwart
Posts: 506
Joined: June 27th, 2009, 10:58 am
Location: Germany

Re: Spaceship Discussion Thread

Post by HartmutHolzwart » August 11th, 2020, 5:12 pm

There mus be a completion of this 2c/5 grey ship corner:

Code: Select all

x = 106, y = 121, rule = B3/S23
10$43bobobo$20b22obobobo$41bobob2o$20b21o2bo2bo$43bo$20b22obobobobo$
43bobobobo$20b23o2bob2o$43bobo2bo$20b23o2bo$45bobobobo$20b26obobobo$
45bobob2o$20b25o2bo2bo$47bo$20b26obobobobo$47bobobobo$20b27o2bob2o$47b
obo2bo$20b27o2bo$49bobobobo$20b30obobobo$49bobob2o$20b29o2bo2bo$51bo$
20b30obobobobo$51bobobobo$20b31o2bob2o$51bobo2bo$20b31o2bo$53bobobobo$
20b34obobobo$53bobob2o$20b33o2bo2bo$55bo$20b34obobobobo$55bobobobo$20b
35o2bob2o$55bobo2bo$20b35o2bo$57bobobobo$20b38obobobo$57bobob2o$20b37o
2bo2bo$59bo$20b38obobobobo$59bobobobo$20b39o2bob2o$59bobo2bo$20b39o2bo
$61bobobobo$20b42obobobo$61bobob2o$20b41o2bo2bo$63bo$20b42obobobobo$
63bobobobo$20b43o2bob2o$63bobo2bo$20b43o2bo$65bobobobo$20b46obobobo$
65bobob2o$20b45o2bo2bo$67bo$20b46obobobobo$67bobobobo$20b47o2bob2o$67b
obo2bo$20b47o2bo$69bobobobo$20b50obobobo$69bobob2o6bo$20b49o2bo2bo4b5o
$71bo5b2obo2bo4b2o$20b50obobobo5b2o5b3o$65bo5bobobob2o3b2o3bob5o$20b
40ob3o2b2ob2o2bobo6b2o3b3o3b2o$56bo2bo5bo3bo2b2ob2o5b3o2b2o$20b35o7bo
4b2o2b2o2b2o5b2o3b3ob2o$51bo2bo8bo7b2ob2o6bo3b2obobo2bo2bo$20b31o22b3o
6bo3bo6b2o2bo$49bo33bo4bo3bo6bobo$20b26o38b18o$42bob2o$20b18o2bo43b18o
$37bo2bo42bo4bo3bo6bobo$20b13o3bo45bo3bo6b2o2bo$29bo2bo49bo3b2obobo2bo
2bo$20b8o54b2o3b3ob2o$24bo2bo54b3o2b2o$20b4o58b2o3b3o3b2o$82b2o3bob5o$
81b2o5b3o$80bo2bo4b2o$79b5o$81bo!

Sokwe
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Re: Spaceship Discussion Thread

Post by Sokwe » August 12th, 2020, 12:05 am

HartmutHolzwart wrote:
August 11th, 2020, 5:12 pm
There mus be a completion of this 2c/5 grey ship corner:
I haven't completed it, but I did fix a small problem with part of the connection:

Code: Select all

x = 82, y = 97, rule = B3/S23
23bobobo$22obobobo$21bobob2o$21o2bo2bo$23bo$22obobobobo$23bobobobo$23o
2bob2o$23bobo2bo$23o2bo$25bobobobo$26obobobo$25bobob2o$25o2bo2bo$27bo$
26obobobobo$27bobobobo$27o2bob2o$27bobo2bo$27o2bo$29bobobobo$30obobobo
$29bobob2o$29o2bo2bo$31bo$30obobobobo$31bobobobo$31o2bob2o$31bobo2bo$
31o2bo$33bobobobo$34obobobo$33bobob2o$33o2bo2bo$35bo$34obobobobo$35bob
obobo$35o2bob2o$35bobo2bo$35o2bo$37bobobobo$38obobobo$37bobob2o$37o2bo
2bo$39bo$38obobobobo$39bobobobo$39o2bob2o$39bobo2bo$39o2bo$41bobobobo$
42obobobo$41bobob2o$41o2bo2bo$43bo$42obobobobo$43bobobobo$43o2bob2o$
43bobo2bo$43o2bo$45bobobobo$46obobobo$45bobob2o$45o2bo2bo$47bo$46obobo
bobo$47bobobobo$47o2bob2o$47bobo2bo$47o2bo$49bobobobo$50obobobo$49bobo
b2o6bo$49o2bo2bo4b5o$51bo5b2obo2bo4b2o$50obobobo5b2o5b3o$45bo5bobobob
2o3b2o3bob5o$40o2b2o2b2ob2o2bobo6b2o3b3o3b2o$36bo2bobo3bo3bo2b2ob2o5b
3o2b2o$35o7bo4b2o2b2o2b2o5b2o3b3ob2o$31bo2bo16b2ob2o6bo3b2obobo2bo2bo$
31o9bo12b3o6bo3bo6b2o2bo$29bo8b2obo21bo4bo3bo6bobo$26o10b3o25b18o$22bo
b2o9bo2bo$18o2bo13bo29b18o$17bo2bo14bo2bo2bo21bo4bo3bo6bobo$13o3bo19b
4obo20bo3bo6b2o2bo$9bo2bo25bob3o19bo3b2obobo2bo2bo$8o32b3o19b2o3b3ob2o
$4bo2bo31b2o21b3o2b2o$4o35bo2b2obo16b2o3b3o3b2o$39bo2b3o17b2o3bob5o$
40b2obo17b2o5b3o$60bo2bo4b2o$59b5o$61bo!
-Matthias Merzenich

amling
Posts: 49
Joined: April 2nd, 2020, 9:47 pm

Re: Spaceship Discussion Thread

Post by amling » August 12th, 2020, 12:08 am

HartmutHolzwart wrote:
August 11th, 2020, 5:12 pm
There mus be a completion of this 2c/5 grey ship corner:

...
Maybe you already had a plan, but this will fix the bottom:

Code: Select all

x = 98, y = 92, rule = B3/S23
23bobobo$22obobobo$21bobob2o$21o2bo2bo$23bo$22obobobobo$23bobobobo$23o
2bob2o$23bobo2bo$23o2bo$25bobobobo$26obobobo$25bobob2o$25o2bo2bo$27bo$
26obobobobo$27bobobobo$27o2bob2o$27bobo2bo$27o2bo$29bobobobo$30obobobo
$29bobob2o$29o2bo2bo$31bo$30obobobobo$31bobobobo$31o2bob2o$31bobo2bo$
31o2bo$33bobobobo$34obobobo$33bobob2o$33o2bo2bo$35bo$34obobobobo$35bob
obobo$35o2bob2o$35bobo2bo$35o2bo$37bobobobo$38obobobo$37bobob2o$37o2bo
2bo$39bo$38obobobobo$39bobobobo$39o2bob2o$39bobo2bo$39o2bo$41bobobobo$
42obobobo$41bobob2o$41o2bo2bo$43bo$42obobobobo$43bobobobo$43o2bob2o$
43bobo2bo$43o2bo$45bobobobo$46obobobo$45bobob2o$45o2bo2bo$47bo$46obobo
bobo$47bobobobo$47o2bob2o$47bobo2bo$47o2bo$49bobobobo$50obobobo$49bobo
b2o$49o2bo2bo$51bo5b2o$50obobobo3bo36bo$45bo5bobobob2o3bo23bo8b2o$40ob
3o2b2ob2o2bobo4bo3bo21bo8bobo$36bo2bo5bo3bo2b2ob2o3bo3bo6b2ob2o8bo8bo$
35o7bo4b2o2b2o2b2o2bo10bobob2o3b2o2b4obob3o$31bo2bo8bo7b2ob2o4b6o3b2ob
2o2b2ob2o3bobo3bo$31o22b3o4b2o3b2obo6bob5obo4bobo$29bo36bo4bo4b2obo$
26o40bo4bo6bo$22bob2o41b3o$18o2bo$17bo2bo$13o3bo$9bo2bo$8o$4bo2bo$4o!
How, uh, by the way did you come up with the original? Do you have something that can search for ships with singleton errors or something?

Sokwe
Moderator
Posts: 1674
Joined: July 9th, 2009, 2:44 pm

Re: Spaceship Discussion Thread

Post by Sokwe » August 12th, 2020, 12:29 am

amling wrote:
August 12th, 2020, 12:08 am
HartmutHolzwart wrote:
August 11th, 2020, 5:12 pm
There mus be a completion of this 2c/5 grey ship corner:
Maybe you already had a plan, but this will fix the bottom:
Here's an even smaller completion for the bottom:

Code: Select all

x = 65, y = 94, rule = B3/S23
23bobobo$22obobobo$21bobob2o$21o2bo2bo$23bo$22obobobobo$23bobobobo$23o
2bob2o$23bobo2bo$23o2bo$25bobobobo$26obobobo$25bobob2o$25o2bo2bo$27bo$
26obobobobo$27bobobobo$27o2bob2o$27bobo2bo$27o2bo$29bobobobo$30obobobo
$29bobob2o$29o2bo2bo$31bo$30obobobobo$31bobobobo$31o2bob2o$31bobo2bo$
31o2bo$33bobobobo$34obobobo$33bobob2o$33o2bo2bo$35bo$34obobobobo$35bob
obobo$35o2bob2o$35bobo2bo$35o2bo$37bobobobo$38obobobo$37bobob2o$37o2bo
2bo$39bo$38obobobobo$39bobobobo$39o2bob2o$39bobo2bo$39o2bo$41bobobobo$
42obobobo$41bobob2o$41o2bo2bo$43bo$42obobobobo$43bobobobo$43o2bob2o$
43bobo2bo$43o2bo$45bobobobo$46obobobo$45bobob2o$45o2bo2bo$47bo$46obobo
bobo$47bobobobo$47o2bob2o$47bobo2bo$47o2bo14bo$49bobobobo8bo$50obobobo
6bo$49bobob2o7b3o$49o2bo2bo4b2o3bo$51bo5b2obo3bo$50obobobo6b3o$45bo5bo
bobob2o3bo$40o2b2o2b2ob2o2bobo8bo$36bo2bobo3bo3bo2b2ob2o7bo$35o7bo4b2o
2b2o2b2o$31bo2bo16b2ob2o$31o9bo12b3o$29bo8b2obo$26o10b3o$22bob2o9bo2bo
$18o2bo13bo$17bo2bo14bo2bo2bo$13o3bo19b4obo$9bo2bo25bob3o$8o32b3o$4bo
2bo31b2o$4o35bo2b2obo$39bo2b3o$40b2obo!
amling wrote:
August 12th, 2020, 12:08 am
How, uh, by the way did you come up with the original? Do you have something that can search for ships with singleton errors or something?
Indeed, it seems strange that there was a part that was off by one cell after 5 generations. Luckily it was fixable in this case.
-Matthias Merzenich

HartmutHolzwart
Posts: 506
Joined: June 27th, 2009, 10:58 am
Location: Germany

Re: Spaceship Discussion Thread

Post by HartmutHolzwart » August 12th, 2020, 3:20 am

Thanks for your constant support and fixes of my errors! I'm a little overworked and thus spend less attention on search setup and results and make silly mistakes.

Now what is missing is the other corner. Here I even lack promising partial results so far. If we find that, then I would call another milestone reached in 2c/5 greyshipology, as I'm convinced this is the stepest possible descent reachable with period 5.

Then only a 2c/5 grey stretcher would be missing.

Edit: As to be expected, my own search finally also delivered a result for the same corner:

Code: Select all

x = 96, y = 118, rule = B3/S23
9$31bobobo$8b22obobobo$29bobob2o$8b21o2bo2bo$31bo$8b22obobobobo$31bobo
bobo$8b23o2bob2o$31bobo2bo$8b23o2bo$33bobobobo$8b26obobobo$33bobob2o$
8b25o2bo2bo$35bo$8b26obobobobo$35bobobobo$8b27o2bob2o$35bobo2bo$8b27o
2bo$37bobobobo$8b30obobobo$37bobob2o$8b29o2bo2bo$39bo$8b30obobobobo$
39bobobobo$8b31o2bob2o$39bobo2bo$8b31o2bo$41bobobobo$8b34obobobo$41bob
ob2o$8b33o2bo2bo$43bo$8b34obobobobo$43bobobobo$8b35o2bob2o$43bobo2bo$
8b35o2bo$45bobobobo$8b38obobobo$45bobob2o$8b37o2bo2bo$47bo$8b38obobobo
bo$47bobobobo$8b39o2bob2o$47bobo2bo$8b39o2bo$49bobobobo$8b42obobobo$
49bobob2o$8b41o2bo2bo$51bo$8b42obobobobo$51bobobobo$8b43o2bob2o$51bobo
2bo$8b43o2bo$53bobobobo$8b46obobobo$53bobob2o$8b45o2bo2bo$55bo$8b46obo
bobobo$55bobobobo$8b47o2bob2o$55bobo2bo$8b47o2bo$57bobobobo10bo$8b50ob
obobo7b2o2bo$57bobob2o6b3obobo$8b49o2bo2bo4b2o4bobobo4bo3bo$59bo5b2ob
4obo3bo4bo3bo$8b50obobobo6bo4bo4b2o5bo$53bo5bobobob2o7b2o3b2o2bo2bo$8b
40ob3o2b2ob2o2bobo12b2o2bo2bo2b4o$44bo2bobo3bo3bo2b2ob2o11b3o6bob2obo$
8b35o7bo4b2o2b2o2b2o22b2obo$39bo2bo16b2ob2o24bo$8b31o9bo12b3o$37bo8b2o
bo$8b26o10b3o$30bob2o9bo2bo$8b18o2bo13bo$25bo2bo14bo2bo2bo$8b13o3bo19b
4obo$17bo2bo25bob3o$8b8o32b3o$12bo2bo31b2o$8b4o35bo2b2obo$47bo2b3o$48b
2obo!
Still no result for the corresponding corner.
Last edited by HartmutHolzwart on August 12th, 2020, 5:16 am, edited 1 time in total.

Sokwe
Moderator
Posts: 1674
Joined: July 9th, 2009, 2:44 pm

Re: Spaceship Discussion Thread

Post by Sokwe » August 12th, 2020, 5:10 am

HartmutHolzwart wrote:
August 12th, 2020, 3:20 am
Then only a 2c/5 grey stretcher would be missing.
A grey stretcher would be difficult, considering we don't yet have a 2c/5 wickstretcher of any type. I know of only one wick that might work:

Code: Select all

x = 112, y = 33, rule = B3/S23
2bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo
4bobo4bobo$o3bobobo2bob2o3bobobo2bob2o3bobobo2bob2o3bobobo2bob2o3bobob
o2bob2o3bobobo2bob2o3bobobo2bob2o3bobobo2bobo$b2o5b2o5b2o5b2o5b2o5b2o
5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o$b2o4bobo5b2o4bobo5b2o4bobo5b
2o4bobo5b2o4bobo5b2o4bobo5b2o4bobo5b2o4bobo$3bo6bo6bo6bo6bo6bo6bo6bo6b
o6bo6bo6bo6bo6bo6bo6bo$b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o
3b4o3b4o3b4o3b4o$5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o
5b2o5b2o5b2o$b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b
5o2b5o2$112o2$112o2$112o2$112o2$112o2$112o2$112o2$112o2$b5o2b5o2b5o2b
5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o$5b2o5b2o5b2o5b2o5b
2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o$b4o3b4o3b4o3b4o3b4o3b4o
3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o3b4o$3bo6bo6bo6bo6bo6bo6bo6bo6bo6b
o6bo6bo6bo6bo6bo6bo$b2o4bobo5b2o4bobo5b2o4bobo5b2o4bobo5b2o4bobo5b2o4b
obo5b2o4bobo5b2o4bobo$b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o
5b2o5b2o5b2o5b2o$o3bobobo2bob2o3bobobo2bob2o3bobobo2bob2o3bobobo2bob2o
3bobobo2bob2o3bobobo2bob2o3bobobo2bob2o3bobobo2bobo$2bobo4bobo4bobo4bo
bo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo4bobo!
The wick is period-7 which might be barely low enough to stabilize. Are there any other candidates?

If all we wanted were a wickstretcher, there is already this wick with a stationary stabilization:

Code: Select all

x = 99, y = 37, rule = B3/S23
67bo$66bobo2bo2bo2b2o$65bo2b7o3bo12b2o$65bobo7b3o13bo$64b2obo2bob2obo
16b3o$63bo3bobobob2o8bobo3b3o3bo$2b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o
5b2o3bo7bob2o6bo3b4o$o3b2o5b2obo3b2o5b2obo3b2o5b2obo3b2o5b2obo3b2o2bob
2o9b2obobo3bo2bobo4b2o$b2ob2ob2ob3o2b2ob2ob2ob3o2b2ob2ob2ob3o2b2ob2ob
2ob3o2b2ob2obo2bob7o3bobob3ob4obo3bo2bo$2bo7bo5bo7bo5bo7bo5bo7bo5bo14b
2o3bo2bo3bo7bo2b3o$3o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b5o2b12o3bob2obob2o
2b5ob3o$3bo5bo7bo5bo7bo5bo7bo5bo7bo9bo3b4o2bob2o2b2o5bo3bo$2ob3o2b2ob
2ob2ob3o2b2ob2ob2ob3o2b2ob2ob2ob3o2b2ob2ob2ob3o2b2obo3b2o4bo6bo2bo2bob
o2b2o$4b2obo3b2o5b2obo3b2o5b2obo3b2o5b2obo3b2o5b2obo3bo4bob3o8b2o3b2o$
2b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5b2o5bobo$68bo4bo$67bobo$66bo2bo$
61b2o3bo$61bo2bob2o$62b3obo$68bo2b2o$64b2ob3o2bo$63bobobob3o$63b2o$68b
ob2o$69bo2bo$67bo3b2o$61b2o3bob3o$61bo2bobo4b2o$63b2obob3o2bo$64bobobo
2b2o$63bo2b2ob2o$64b2o4bo$65bob3o$65bobo$66bo!
Edit: Here's a 2c/5 eater for the smaller wick:

Code: Select all

x = 73, y = 13, rule = B3/S23
64bo3bo$54bobo7bo3bo$53bo3bo4b2o5bo$44b2o4bo2bo3b2obobo2bo2bo$3b2o5b2o
5b2o5b2o5b2o5b2o4b2o3b4ob2obobo2bo2bo2b4o$bo3b2o5b2obo3b2o5b2obo3b2o5b
2o5b2ob2o2b2obo9bob2obo$2b2ob2ob2ob3o2b2ob2ob2ob3o2b2ob2ob2ob3obobo2bo
2bobo3bo11b2obo$3bo7bo5bo7bo5bo7bo5bo2bo2bobo16bo$4o2b5o2b5o2b5o2b5o2b
5o2b5ob2obobo2bo$4bo5bo7bo5bo7bo5bo7bo3bobobo3b2o$b2ob3o2b2ob2ob2ob3o
2b2ob2ob2ob3o2b2ob2ob2ob5obo3b2o$5b2obo3b2o5b2obo3b2o5b2obo3b2o5b2o4b
2ob2o$3b2o5b2o5b2o5b2o5b2o5b2o5b2o9b2o!
A stretcher will almost certainly be more difficult to find.
-Matthias Merzenich

amling
Posts: 49
Joined: April 2nd, 2020, 9:47 pm

Re: Spaceship Discussion Thread

Post by amling » August 16th, 2020, 7:01 pm

A search for 2c/5 parallel components starting at a common known joint just finished. Along the way it dropped various stuff which I'm not entirely sure how best to dice up and catalog (since there's more than one commonish joint between these). I'll just give the newish seeming cycles I guess...

Shrinks 8 per 16.4 (known slope, I think previously-known component plus taglong):

Code: Select all

x = 141, y = 88, rule = B3/S23
141o2$141o2$141o2$141o2$141o2$141o2$141o2$141o2$141o2$140o$130bo7bobo$
129o4b6obo$128bo5bo2b3o$126o9b2o2bo$137bo$124o$124bo4b2o$124o4bo$114bo
9bo3b3o$114o3b4o3bo3bo$112bo4bo6bo$109o10b2o2bo$120bo$108o$108bo4bo$
109o3bo$106bobo2b2o$98o3b3o3b3o2bo$94bob2o3bo5b2o$92o11b2o$92bo10b2o$
92o$92bo$91ob2ob3o$83bo11b3o$79o2bo3b2o3bo2bob2o$78bo2bo3bo2bo2bobo$
76o10b3o$76bo10b2o$77o$76b2o2bo$74ob5obo$67bo4bob4o$63o3bob3o5bo2bobo$
62bo6bo2b2o2bobo$60o10bo2bo$60bo9bobo$59o$63b2o$58o5b2o$48bo7bobo4bo$
47o4b6obo3bo$46bo5bo2b3o3bo$44o9b2o2bo$55bo$42o$42bo4b2o$42o4bo$32bo9b
o3b3o$32o3b4o3bo3bo$30bo4bo6bo$27o10b2o2bo$38bo$26o$26bo4bo$27o3bo$24b
obo2b2o$16o3b3o3b3o2bo$12bob2o3bo5b2o$10o11b2o$10bo10b2o$10o$10bo$9ob
2ob3o$bo11b3o$3b2o3bo2bob2o$3bo2bo2bobo$4b3o$5b2o!
Shrinks 12 per 22.8:

Code: Select all

x = 235, y = 154, rule = B3/S23
235o2$235o2$235o2$235o2$235o2$235o2$235o2$235o2$235o2$235o2$235o2$235o
2$235o2$235o2$235o$233bo$229o3bobo$228bo$227o2$225o$222bo2bobo$220o4b
2o$224b2o$218o9bo$218bo4bo3bo$218o4b2o$208bo9bo4bo2bo$208o3b4o3bo6bo$
206bo4bo6bo$203o10b2o2bo$203bo10bo$204o$198bo4bo$196o5bo$196bo4b2obo$
196o6bobo$196bo3bo2bo$195ob2obo$187bo12bobo$183o2bo3b2o3bo2bo3bo$182bo
2bo3bo2bo2bobo$182o8b3o$181b2o8b2o$179o2b2o$176bo2bobo$174o5bobo$174bo
4bo$173o6b2o$176bob4o$172o5bob2o$162bo7bobo3bo3bo$161o4b6obo5b2o$160bo
5bo2b3o$158o9b2o2bo$169bo$157o$154bo2b2o$151o4bo$156b3o$150o6bobo$150b
o3b2o$151o3b3o$148bobo3b3o$140o3b3o3b3o$136bob2o3bo5b2o$135o10b2o$135b
o9b2o$134ob2o$130bo4bo$128o5bobo$128bo4b2o$129o5bobo$128b2o5bo$126ob3o
b3o$119bo4bob5ob2o$115o3bob3o5bo4bo$114bo6bo2b2o2bo$113o9bo2bo$122bobo
$111o$108bo2bobo$106o4b2o$110b2o$104o9bo$104bo4bo3bo$104o4b2o$94bo9bo
4bo2bo$94o3b4o3bo6bo$92bo4bo6bo$89o10b2o2bo$89bo10bo$90o$84bo4bo$82o5b
o$82bo4b2obo$82o6bobo$82bo3bo2bo$81ob2obo$73bo12bobo$69o2bo3b2o3bo2bo
3bo$68bo2bo3bo2bo2bobo$68o8b3o$67b2o8b2o$65o2b2o$62bo2bobo$60o5bobo$
60bo4bo$59o6b2o$62bob4o$58o5bob2o$48bo7bobo3bo3bo$47o4b6obo5b2o$46bo5b
o2b3o$44o9b2o2bo$55bo$43o$40bo2b2o$37o4bo$42b3o$36o6bobo$36bo3b2o$37o
3b3o$34bobo3b3o$26o3b3o3b3o$22bob2o3bo5b2o$21o10b2o$21bo9b2o$20ob2o$
16bo4bo$14o5bobo$14bo4b2o$15o5bobo$14b2o5bo$12ob3ob3o$5bo4bob5ob2o$o3b
ob3o5bo4bo$o6bo2b2o2bo$8bo2bo$8bobo!
Shrinks 10 per 32.8:

Code: Select all

x = 177, y = 100, rule = B3/S23
177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o
2$177o2$177o2$177o2$177o2$177o2$177o2$177o2$177o$164bo11bo$162o4b9o$
165bo5bo2bo$161o5b2ob2o$158bo2b2o5b2o$155o4bo$160b3o7b2o$154o6bobo7b2o
$154bo3b2o9bo3b2o$155o3b3o9b5o$130bo21bobo3b3o9b2obo$129o3b12o3b3o3b3o
$129bo3bo6bob2o3bo5b2o$128ob2o3b2o2bo10b2o$124bo4bo4b2o3bo9b2o$122o5bo
bo$122bo4b2o11bo$123o5bobo6bob2o$122b2o5bo6b2o$120ob3ob3o9b2o2b2o$113b
o4bob5ob2o$97o3b9o3bob3o5bo4bo$100bo4bo2bo6bo2b2o2bo$95o4bobobo12bo2bo
$92bo2bobo4b2o12bobo$90o4b2o$94b2o9bo2bo$88o9bo6b2o$88bo4bo3bo5bo5bo$
88o4b2o10b5o$66bo11bo9bo4bo2bo8bo$63o4b11o3b4o3bo6bo$63bo3bo8bo4bo6bo$
64o4b2ob2o10b2o2bo$58bo4bo5b4o11bo$56o5bo9b2o$56bo4b2obo7b2o$56o6bobo
6bob2o$56bo3bo2bo7bo4bo$55ob2obo11bo$32bo14bo12bobo9bo2b2o$32o2b9o2bo
3b2o3bo2bo3bo$31b2obo7bo2bo3bo2bo2bobo$29o2b2o2bobo3bo8b3o$26bo2bobo4b
2o13b2o$24o5bobo$24bo4bo11b2o$23o6b2o7b5o$26bob4o6bo2b3o$22o5bob2o7b3o
$o11bo7bobo3bo3bo$2b9o4b6obo5b2o$bo5bo2bo5bo2b3o$2b2ob2o10b2o2bo$4b2o
13bo2$6b2o$6b2o$5bo3b2o$6b5o$6b2obo!
Shrinks 18 per 37.6:

Code: Select all

x = 211, y = 150, rule = B3/S23
211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o
2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$211o2$
209o2$208o2bo$208bobo$199o3bobo4bo$201bob2o$198o3b2o$198bo3b2o$199o3b
2o$196bobo3bobo$188o3b3o3b3o2bobob2o$184bob2o3bo5b2o3bobo$182o11b2o$
182bo10b2o$182o$182bo$176o2b3ob2o$174b2obo4bob3o$174o3bo2bo$171b2o5bo
2bo3b2o$172o7b2o$170bo$162o2b2obo4b2o$163bo3bo2bo$160o4bo$160bo3bo3bo$
160o5bo$150bo9bo3bo4bo$150o3b4o3bo3b3obo$148bo4bo6bo4b2obo$145o10b2o2b
o$156bo$144o$137bo6bo$137o3b5o$136bo2bo3bo2b2o$135obo3b3o4bobo$133bo6b
2o5b2o$131o11b2o$131b2obo$124o2b2obob2obo$124bo2b6obo$123o3b2o$128b3o$
122o5b3obo$112bo7bobo$111o4b6obo3b2ob3o$110bo5bo2b3o3bobo$108o9b2o2bo$
119bo$106o$106bo$98o3b5obobo$97b2o12bo$96o2bo2bob2o4b2o$96bo6b2o4b2o$
94o6bo4b2o$88bo10bo$86o3bobobob3o$86bo2b2ob2o$87o$86b3o$84ob9o$77bo4bo
b4o4b2o$73o3bob3o5bo2b2obo$72bo6bo2b2o2bobo$70o10bo2bo$70bo9bobo$69o$
72bo$61ob6o2bo2bo$68bobo$58o3b4ob8o$58bob3o3bo2bo$58ob3o5b2o$50bo5b3ob
o$48o4bobo4bo$48bo2bo2bo$48o3bo2bo$48bo$47ob2obo2bo$39bo11b2ob2o$35o2b
o3b2o3bo2bob2obo$34bo2bo3bo2bo2bobo5bo$32o10b3o$32bo10b2o$33o$32b2o$
24ob2ob2o2bob2o$25bobo2bobob2o$21o2b2ob3o2bo2bo$23bo4bo2bo$20o2bo6b2o$
20bobo$11o3bobo4bo$13bob2o$10o3b2o$10bo3b2o$11o3b2o$8bobo3bobo$3b3o3b
3o2bobob2o$3bo5b2o3bobo$5b2o$5b2o!
Finally here is the longest partial as the search was running. It shows just how viable 2c/5 parallel edges are at this row width.

Code: Select all

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Or single-phase in viewer:

Code: Select all

x = 98, y = 23, rule = B3/S23
98o2$98o2$98o$56bo$40o3b9o3bob40o$43bo4bo2bo6bo25bo7bo$38o4bobobo12bo
3b20o3bob2o4bobo$35bo2bobo4b2o12b3obobo13b2o2bo4bo5bob2o$33o4b2o16b2o
3bo4bo2b11o7bo4b2o4bo$37b2o9bo2bo2b2o2bo2bo3bobo8b3o3bo3bo3bo3bob2o$
31o9bo6b2o6bobo6bo2bo2b3o3bo2bo5bo3b2o5b2o$31bo4bo3bo5bo5bo3bo2bo4b4ob
5o2b2ob2obo2bo6b2o3bo$31o4b2o10b5o5b2o11b2o2b2obo5b6o5b2o$4bo16bo9bo4b
o2bo8bo19b2ob2ob3o10bo6b2o$o2bobo3b12o3b4o3bo6bo29b2o4b2o11bo$2bo2b2o
2bo9bo4bo6bo36b2o$bo8b2o2b2o10b2o2bo39b2o$o10bo2b2o11bo$13bo3bo$14b4o$
14b2o!

User avatar
yujh
Posts: 1452
Joined: February 27th, 2020, 11:23 pm
Location: China

Re: Spaceship Discussion Thread

Post by yujh » August 16th, 2020, 8:21 pm

probably known useless pushalong for the 64bit 2c5(found withntzfind+rlifesrc):

Code: Select all

x = 44, y = 69, rule = B3/S23
5$9bo$8b3o$10bo$7b3o$9b2o$9bo2bo$11bob2o$11bob2o$8bo$12bob2o$16bo$10b
2o2bo$12bobo2$13bo$14b2o$13b4o$14bo$14bo2bo$10b3o$9bo2bobobo$14b2o$11b
o2bo$14bo$11b2obo$12bo$11bo3bo$10bo3bo$10bo$10bobo2$11bo14bo$10b3o12b
3o$10bo2bo11bo2bo$11b3o12b3o$10bo14bo$9b2ob5o7b2ob5o$9b2ob2o3bo6b2ob2o
3bo$15bo2bo11bo2bo$14bo2bo11bo2bo$12bobob2o9bobob2o$12bo14bo$17bo14bo
$13bo4bo9bo4bo$13bo3bo10bo3bo$13bo14bo$13bo14bo$14bo14bo$12b2o13b2o$12b
3o12b3o$14bo14bo$12bo2bo11bo2bo$12bobobo10bobobo$14b3o12b3o$14b2o13b2o
$15bo14bo$13bobo12bobo$12bo2bo11bo2bo$12bobo12bobo$12bo14bo$14bo14bo$
13bo14bo!
B34kz5e7c8/S23-a4ityz5k!!!
Mission: find a rule with 2-5ob,7-15d,3-5o ships and 4 sparky hp osc.
B2ikn35j6i/S23-a8
B2ck3ar4ac5e6c7/S1e2-an3ejnr4air5iy6c7c8

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LaundryPizza03
Posts: 1013
Joined: December 15th, 2017, 12:05 am
Location: Unidentified location "https://en.wikipedia.org/wiki/Texas"

Re: Spaceship Discussion Thread

Post by LaundryPizza03 » August 17th, 2020, 2:57 am

The (2,1)c/6 spaceships provide a number of accessible sparks. For a (2,1)c/6 puffer, I'd suggest starting with this reaction where a Sir Robin tuns a LWSS into a B. A spark on the ragged minstrel can turn the output glider into a loaf.

Code: Select all

x = 114, y = 169, rule = B3/S23
3b3o$3bo2bo$3bob2ob2o$2b2o7b2o$bo5bo4bo$bo5bob2o3bo$o5bo3bobobo$o4b2o
3bobobo$bo3bo3bo$bobobobo2bobo$8bobob2o$6b2o5bo2b2o$13b5o$10bo2bo4bo$
10bobob2o$9b2ob2o3b2o$12bo2b2o$12b2obobo$13bo2b2obo$10b2obo5bo$11b4ob
3o$15bo2bobo$18bobo$19b2o$11b3o5bo2bo$22bo$16b2o4bo$11bo4bo3bo$11b3o2b
obo$14bo2b3o$11bo2bo2bo2bo$19b2o2bo$12b3o3bob3obo$12b2o6bobobo$17bo$
17bo3bo$23bob2o$20b4o$19bo3bo3bo$20b3ob4o$22bob4o$18b5ob5o$18bo2bo5bo$
18bob2o5b2o$18bo3bo4bob2o35b3o$22bo3bo39bo2bo$19b3o44bob2ob2o$65b2o7b
2o$20b3o41bo5bo4bo$19bo3bo40bo5bob2o3bo$20bob2o39bo5bo3bobobo$22b3o38b
o4b2o3bobobo$17b3o4b2o38bo3bo3bo$17b2o2bob2o39bobobobo2bobo$19b2o3bo
46bobob2o$21bo47b2o5bo2b2o$18b8o50b5o$17bo5bo2bo46bo2bo4bo$21bo2bobo
46bobob2o$18bob2o2b3o45b2ob2o3b2o$24b3o48bo2b2o$28b2o45b2obobo$22b2o4b
o17b2o28bo2b2obo$23bo2bobo16b2ob2o23b2obo5bo$20b2o3b2ob2o16b4o24b4ob3o
$21b2o3bobo18b2o29bo2bobo$21b3o2bobo52bobo$22bob2o2bo53b2o$22bobobo47b
3o5bo2bo$26bo3bo54bo$23b2o3bo50b2o4bo$23b4o47bo4bo3bo$26b3o45b3o2bobo$
26b3o48bo2b3o$27b2o45bo2bo2bo2bo$24b3o55b2o2bo$24bo50b3o3bob3obo$25b2o
48b2o6bobobo$80bo$80bo3bo$86bob2o$83b4o$82bo3bo3bo$83b3ob4o$85bob4o$
81b5ob5o$81bo2bo5bo$81bob2o5b2o$81bo3bo4bob2o$85bo3bo$82b3o2$83b3o$82b
o3bo$83bob2o$85b3o$80b3o4b2o$80b2o2bob2o$82b2o3bo$84bo$81b8o$80bo5bo2b
o$84bo2bobo$81bob2o2b3o$87b3o$91b2o$85b2o4bo$86bo2bobo$83b2o3b2ob2o$
84b2o3bobo$84b3o2bobo$85bob2o2bo$85bobobo$89bo3bo$86b2o3bo$86b4o$89b3o
$89b3o$90b2o$87b3o$87bo5bo$88b2o2b4o$91bob3o$92bo$92b3o$94b2obo2$95b2o
b2o$95b3o$97bo2$97b6o$98b5o2$96b2o5b2o$96b3o7b2o$97bo5bo2b2o2$103b2o$
101b2ob2o$101b2o$101b2o$101b3o$101b2o$101b2obob2o$104bobobo$104bo3bo$
107b2obo$107bo3bo$107b2ob4o2$106bo6bo$107b2obobo$107b2o$106b2o$105b3ob
2o$104b2o4bo$105b2o2b3o$106bo2b2o$103bo2bo2b2o$108b3o$107bo$107bo3b2o$
105b2o4b3o$111b3o$98bo12b3o$98b2o3bo8bo$97bobo3b2o6bo$102bobo!

Code: Select all

x = 4, y = 3, rule = B3-q4z5y/S234k5j
2b2o$b2o$2o!
LaundryPizza03 at Wikipedia

The latest edition of new-gliders.db.txt and oscillators.db.txt have 31150 spaceships and 1205 oscillators from outer-totalistic rules. You are invited to help!

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yujh
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Location: China

Re: Spaceship Discussion Thread

Post by yujh » August 17th, 2020, 4:26 am

LaundryPizza03 wrote:
August 17th, 2020, 2:57 am
The (2,1)c/6 spaceships provide a number of accessible sparks. For a (2,1)c/6 puffer, I'd suggest starting with this reaction where a Sir Robin tuns a LWSS into a B. A spark on the ragged minstrel can turn the output glider into a loaf.

Code: Select all

snip
I think sir robin is too fast for a puffer like this.
B34kz5e7c8/S23-a4ityz5k!!!
Mission: find a rule with 2-5ob,7-15d,3-5o ships and 4 sparky hp osc.
B2ikn35j6i/S23-a8
B2ck3ar4ac5e6c7/S1e2-an3ejnr4air5iy6c7c8

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Re: Spaceship Discussion Thread

Post by LaundryPizza03 » August 17th, 2020, 12:11 pm

yujh wrote:
August 17th, 2020, 4:26 am
LaundryPizza03 wrote:
August 17th, 2020, 2:57 am
The (2,1)c/6 spaceships provide a number of accessible sparks. For a (2,1)c/6 puffer, I'd suggest starting with this reaction where a Sir Robin tuns a LWSS into a B. A spark on the ragged minstrel can turn the output glider into a loaf.

Code: Select all

snip
I think sir robin is too fast for a puffer like this.
I don't know... a 3c/7 puffer was once built in a similar manner.

Code: Select all

x = 4, y = 3, rule = B3-q4z5y/S234k5j
2b2o$b2o$2o!
LaundryPizza03 at Wikipedia

The latest edition of new-gliders.db.txt and oscillators.db.txt have 31150 spaceships and 1205 oscillators from outer-totalistic rules. You are invited to help!

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calcyman
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Re: Spaceship Discussion Thread

Post by calcyman » August 17th, 2020, 12:32 pm

LaundryPizza03 wrote:
August 17th, 2020, 12:11 pm
yujh wrote:
August 17th, 2020, 4:26 am
LaundryPizza03 wrote:
August 17th, 2020, 2:57 am
The (2,1)c/6 spaceships provide a number of accessible sparks. For a (2,1)c/6 puffer, I'd suggest starting with this reaction where a Sir Robin tuns a LWSS into a B. A spark on the ragged minstrel can turn the output glider into a loaf.

Code: Select all

snip
I think sir robin is too fast for a puffer like this.
I don't know... a 3c/7 puffer was once built in a similar manner.
3c/7 is strictly below the vacuum speed limit, whereas (2,1)c/6 is exactly at the speed limit.
What do you do with ill crystallographers? Take them to the mono-clinic!

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Re: Basic Question on Spaceship Discussion Thread

Post by GUYTU6J » August 17th, 2020, 11:55 pm

Do we have some updated answers to this question? It will make its way to the OWSS article.
HartmutHolzwart wrote:
July 12th, 2009, 7:22 am
...
What is the convoy with least constant breadth that can support an arbitrary long *WSS?

Cheers,
Hartmut
...

Code: Select all

x = 90, y = 36, rule = B3/S23
2$26b6o22b6o$26bo5bo21bo5bo$26bo27bo$27bo4bo22bo4bo2$28bobo25bobo$16b
2obo7b2obo24b2obo$13b3o3bo6bo2bo3b2o2b3o6bo7bo2bo3b2o2b3o6bo$13bo11b4o
3bo3bo7b2obo5b4o3bo3bo7b2obo$13bo6bo3bo3bo2b2ob3o3bo3bo7bo3bo2b2ob3o3b
o3bo$14b3o3bo3bo2bo2bo2bobo2bob2o2bo7bo2bo2bo2bobo2bob2o2bo$17b2obo3bo
3bob2o5b2ob2o2bobobo3bo3bob2o5b2ob2o2bobobo$25b2obob2obo13bo5b2obob2ob
o13bo2$15b2o$14b2ob64o$15b66o$16b9o10b12o3b3o10b12o3b2o$17bo8b3o3bo14b
o6b3o3bo14bo$15bo2b2obo2bo4bobob3o2b3o4bobo4bo4bobob3o2b3o4bobo$18b2ob
o2bo2bo3b4obo7bobo5bo2bo3b4obo7bobo$13b2obo7bo10bobo3bobo8bo10bobo3bob
o$13bo3bo7b4o3bo3b2o6bo2bo5b4o3bo3b2o6bo2bo$13bo3bo8bo5b2o11bobo6bo5b
2o11bobo$14bo2bo9b2o9b2o15b2o9b2o$16bo11b3o25b3o3$26b6o22b6o$26bo5bo
21bo5bo$26bo27bo$27bo4bo22bo4bo!
Bullet51 wrote:
October 21st, 2019, 9:42 am
没想到你就这样和我们说再见了。你寒假还会回来吗?
(Didn't expect you saying goodbye this soon. Will you return on winter holiday?)
Possibly.

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Re: Spaceship Discussion Thread

Post by Entity Valkyrie 2 » August 18th, 2020, 5:51 am

Are these spaceships known?

Code: Select all

x = 14, y = 52, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$3b3o
bo$2b4o2b2o$bobo$2o$b4obo$2b3obo18$6b4o$5b7o$4b2ob3ob3o$5b2o3b2obo2$8b
2o$3bo$2bo$2bo6bo$2b7o3$6b3o3bo$5b5o2b2o$4b2ob4obo$5b2o!
Top: OWSS with two pushalong 1s
Bottom: OWSS with two coe ships
Bx222 IS MY WORST ENEMY.

Please click here for my own pages.

Also, please apgsearch B34t5y7/S23 (B-life)

The ENEERG-y of the EVAD is watching.
The 70th NAI-ve guy is watching.

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yujh
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Re: Spaceship Discussion Thread

Post by yujh » August 18th, 2020, 6:08 am

Entity Valkyrie 2 wrote:
August 18th, 2020, 5:51 am
Are these spaceships known?

Code: Select all

x = 14, y = 52, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$3b3o
bo$2b4o2b2o$bobo$2o$b4obo$2b3obo18$6b4o$5b7o$4b2ob3ob3o$5b2o3b2obo2$8b
2o$3bo$2bo$2bo6bo$2b7o3$6b3o3bo$5b5o2b2o$4b2ob4obo$5b2o!
Top: OWSS with two pushalong 1s
Bottom: OWSS with two coe ships
Haha!
Definetly!
B34kz5e7c8/S23-a4ityz5k!!!
Mission: find a rule with 2-5ob,7-15d,3-5o ships and 4 sparky hp osc.
B2ikn35j6i/S23-a8
B2ck3ar4ac5e6c7/S1e2-an3ejnr4air5iy6c7c8

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Re: Spaceship Discussion Thread

Post by Entity Valkyrie 2 » August 18th, 2020, 6:05 pm

yujh wrote:
August 18th, 2020, 6:08 am
Entity Valkyrie 2 wrote:
August 18th, 2020, 5:51 am
Are these spaceships known?

Code: Select all

x = 14, y = 52, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$3b3o
bo$2b4o2b2o$bobo$2o$b4obo$2b3obo18$6b4o$5b7o$4b2ob3ob3o$5b2o3b2obo2$8b
2o$3bo$2bo$2bo6bo$2b7o3$6b3o3bo$5b5o2b2o$4b2ob4obo$5b2o!
Top: OWSS with two pushalong 1s
Bottom: OWSS with two coe ships
Haha!
Definetly!
Btw, these aren't flotillae or tagalongs, since neither of the three parts are stable alone.

EDIT: Of course I missed this one:

Code: Select all

x = 14, y = 17, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$6b3o
3bo$5b5o2b2o$4b2ob4obo$5b2o!
OWSS with coe ship and pushalong 1
Bx222 IS MY WORST ENEMY.

Please click here for my own pages.

Also, please apgsearch B34t5y7/S23 (B-life)

The ENEERG-y of the EVAD is watching.
The 70th NAI-ve guy is watching.

amling
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Re: Basic Question on Spaceship Discussion Thread

Post by amling » August 20th, 2020, 2:12 am

GUYTU6J wrote:
August 17th, 2020, 11:55 pm
Do we have some updated answers to this question? It will make its way to the OWSS article.
HartmutHolzwart wrote:
July 12th, 2009, 7:22 am
...
What is the convoy with least constant breadth that can support an arbitrary long *WSS?

Cheers,
Hartmut
...

Code: Select all

x = 90, y = 36, rule = B3/S23
2$26b6o22b6o$26bo5bo21bo5bo$26bo27bo$27bo4bo22bo4bo2$28bobo25bobo$16b
2obo7b2obo24b2obo$13b3o3bo6bo2bo3b2o2b3o6bo7bo2bo3b2o2b3o6bo$13bo11b4o
3bo3bo7b2obo5b4o3bo3bo7b2obo$13bo6bo3bo3bo2b2ob3o3bo3bo7bo3bo2b2ob3o3b
o3bo$14b3o3bo3bo2bo2bo2bobo2bob2o2bo7bo2bo2bo2bobo2bob2o2bo$17b2obo3bo
3bob2o5b2ob2o2bobobo3bo3bob2o5b2ob2o2bobobo$25b2obob2obo13bo5b2obob2ob
o13bo2$15b2o$14b2ob64o$15b66o$16b9o10b12o3b3o10b12o3b2o$17bo8b3o3bo14b
o6b3o3bo14bo$15bo2b2obo2bo4bobob3o2b3o4bobo4bo4bobob3o2b3o4bobo$18b2ob
o2bo2bo3b4obo7bobo5bo2bo3b4obo7bobo$13b2obo7bo10bobo3bobo8bo10bobo3bob
o$13bo3bo7b4o3bo3b2o6bo2bo5b4o3bo3b2o6bo2bo$13bo3bo8bo5b2o11bobo6bo5b
2o11bobo$14bo2bo9b2o9b2o15b2o9b2o$16bo11b3o25b3o3$26b6o22b6o$26bo5bo
21bo5bo$26bo27bo$27bo4bo22bo4bo!
E.g. width 31 possible:

Code: Select all

x = 29, y = 113, rule = B3/S23
8bo13bo$7b3o11b3o$6b2o2bo3b3o3b2obo$6b2ob3o2bo2bo2bo$6b2o2b2o2bo7b3o$
10b2o2bo4b6o$6b2o6bo5b2obo$11bo2bo4b2o$10bo3bo$10bo3bo$14bo$11bo2bo4bo
$4b3o3b3obo3b3o3b3o$4bo2bo2bob3o5b2o2bo2bo$4bo6b2obo2bo2b2o2bo$4bo4b3o
2bo2bo2b2o2bo3bo$4bo4b3o2bo9bo$5bob2o2bo2bo4bo5bobo$9bobo2bo4b4o$10bo
3bo6b2o$8bobo3bo4b3o$2b3o4b3o2bo11b3o$bo2bo3bob2o2bo3bo6bo2bo$4bo4b2o
3bo6b3o4bo$o3bo4bo4bo6b4o3bo$o3bo4b2o3bo6b4o3bo$4bo4b3o2bo6b3o4bo$bobo
5b3o2bo6b3obobo$9b2o3bo6b2o$14bo$14bo$11bo2bo4bo$4b3o3b3obo3b3o3b3o$4b
o2bo2bob3o5b2o2bo2bo$4bo6b2obo2bo2b2o2bo$4bo4b3o2bo2bo2b2o2bo3bo$4bo4b
3o2bo9bo$5bob2o2bo2bo4bo5bobo$9bobo2bo4b4o$10bo3bo6b2o$8bobo3bo4b3o$2b
3o4b3o2bo11b3o$bo2bo3bob2o2bo3bo6bo2bo$4bo4b2o3bo6b3o4bo$o3bo4bo4bo6b
4o3bo$o3bo4b2o3bo6b4o3bo$4bo4b3o2bo6b3o4bo$bobo5b3o2bo6b3obobo$9b2o3bo
6b2o$14bo$14bo$11bo2bo4bo$4b3o3b3obo3b3o3b3o$4bo2bo2bob3o5b2o2bo2bo$4b
o6b2obo2bo2b2o2bo$4bo4b3o2bo2bo2b2o2bo3bo$4bo4b3o2bo9bo$5bob2o2bo2bo4b
o5bobo$9bobo2bo4b4o$10bo3bo6b2o$8bobo3bo4b3o$2b3o4b3o2bo11b3o$bo2bo3bo
b2o2bo3bo6bo2bo$4bo4b2o3bo6b3o4bo$o3bo4bo4bo6b4o3bo$o3bo4b2o3bo6b4o3bo
$4bo4b3o2bo6b3o4bo$bobo5b3o2bo6b3obobo$9b2o3bo6b2o$14bo$14bo$11bo2bo4b
o$4b3o3b3obo3b3o3b3o$4bo2bo2bob3o5b2o2bo2bo$4bo6b2obo2bo2b2o2bo$4bo4b
3o2bo2bo2b2o2bo3bo$4bo4b3o2bo9bo$5bob2o2bo2bo4bo5bobo$9bobo2bo4b4o$10b
o3bo6b2o$8bobo3bo4b3o$2b3o4b3o2bo11b3o$bo2bo3bob2o2bo3bo6bo2bo$4bo4b2o
3bo6b3o4bo$o3bo4bo4bo6b4o3bo$o3bo4b2o3bo6b4o3bo$4bo4b3o2bo6b3o4bo$bobo
5b3o2bo6b3obobo$9b2o3bo6b2o$14bo$14bo$11bo2bo4bo$4b3o3b3obo3b3o3b3o$4b
o2bo2bob3o5b2o2bo2bo$4bo6b2obo2bo2b2o2bo$4bo4b3o2bo2bo2b2o2bo3bo$4bo4b
3o2bo9bo$5bob2o2bo2bo4bo5bobo$9bobo2bo4b4o$10bo3bo6b2o$8bobo3bo4b3o$2b
3o4b3o2bo11b3o$bo2bo3bob2o2bo3bo6bo2bo$4bo4b2o3bo6b3o4bo$o3bo4bo4bo6b
4o3bo$o3bo4b2o3bo6b4o3bo$4bo4b3o2bo6b3o4bo$bobo5b3o2bo6b3obobo$9b2o3bo
6b2o$14bo$14bo$14bo$15bobo!
Assuming you consider the inner three columns as fixed this is a thinnest result (14 more columns, other variants of *WSS-looking tail interactions possible) starting from the two row slice I chose. It's of course possible there are thinner repeating options that don't pass through that two row slice.

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Re: Spaceship Discussion Thread

Post by Entity Valkyrie 2 » August 20th, 2020, 8:47 am

yujh wrote:
August 18th, 2020, 6:08 am
Entity Valkyrie 2 wrote:
August 18th, 2020, 5:51 am
Are these spaceships known?

Code: Select all

x = 14, y = 52, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$3b3o
bo$2b4o2b2o$bobo$2o$b4obo$2b3obo18$6b4o$5b7o$4b2ob3ob3o$5b2o3b2obo2$8b
2o$3bo$2bo$2bo6bo$2b7o3$6b3o3bo$5b5o2b2o$4b2ob4obo$5b2o!
Top: OWSS with two pushalong 1s
Bottom: OWSS with two coe ships
Haha!
Definetly!
Where was the first time these ships were mentioned?
Bx222 IS MY WORST ENEMY.

Please click here for my own pages.

Also, please apgsearch B34t5y7/S23 (B-life)

The ENEERG-y of the EVAD is watching.
The 70th NAI-ve guy is watching.

User avatar
yujh
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Location: China

Re: Spaceship Discussion Thread

Post by yujh » August 20th, 2020, 8:51 am

Entity Valkyrie 2 wrote:
August 20th, 2020, 8:47 am
yujh wrote:
August 18th, 2020, 6:08 am
Entity Valkyrie 2 wrote:
August 18th, 2020, 5:51 am
Are these spaceships known?

Code: Select all

x = 14, y = 52, rule = B3/S23
4b2o$b2ob3o$2o2b2o$b2o2b2o$2b2ob3o$5bobo2$3bo5bo$2bo$2bo6bo$2b7o3$3b3o
bo$2b4o2b2o$bobo$2o$b4obo$2b3obo18$6b4o$5b7o$4b2ob3ob3o$5b2o3b2obo2$8b
2o$3bo$2bo$2bo6bo$2b7o3$6b3o3bo$5b5o2b2o$4b2ob4obo$5b2o!
Top: OWSS with two pushalong 1s
Bottom: OWSS with two coe ships
Haha!
Definetly!
Where was the first time these ships were mentioned?
People must have figured it out.
I think we do have sth like a collection of c/2 ships under 50 cells?
B34kz5e7c8/S23-a4ityz5k!!!
Mission: find a rule with 2-5ob,7-15d,3-5o ships and 4 sparky hp osc.
B2ikn35j6i/S23-a8
B2ck3ar4ac5e6c7/S1e2-an3ejnr4air5iy6c7c8

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