20-bit still life syntheses

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.
MathAndCode
Posts: 5141
Joined: August 31st, 2020, 5:58 pm

Re: 20-bit still life syntheses

Post by MathAndCode » March 12th, 2021, 10:19 am

GUYTU6J wrote:
March 12th, 2021, 7:09 am
Congratulations! Is there any hope to strike the hypothetical 20-in-19 target, i.e. find <1 glider per bit syntheses for some 13024 still lives? Or we had better do 19-in-18 and 18-in-17 first?
We could at least try to accomplish 20-in-100 now. Here are some ideas that I had that might help with that:

Code: Select all

x = 18, y = 22, rule = B3/S23
o$b2o$2o2$5b2o$4bobo$4bobo$b2o2bo$2b3o3$16b2o$12b3o$12b2ob3o$13bo$12b
o$12b2obo$16bo$15bo2$16b2o$14b2o!

Code: Select all

x = 15, y = 14, rule = B3/S23
4bo$3bobo$2bobo6bobo$2bo5bo2b2o$2obo5bo2bo$o2bo5bo$2b2ob3o5bo$3bobob2o
5bo$3bobob2o2bo2bo$4bo3bob2o2bo$8b3obo$13bo$8bo2b2o$9bo!

Code: Select all

x = 18, y = 15, rule = B3/S23
13bo$13bo3bo$17bo$6b2o9bo$12bo3bo$4bo3bo3bo$4bo3b2obo3bo$bo2b2o6b4o$o
bo5b4o$obo5bo2bo2b2o$11bobobo$12bo$3b2o$4bobo$5bo!

Code: Select all

x = 13, y = 15, rule = B3/S23
ob3o$b6o$3bo2bobo$5bo2bo2$2o6b3o$obob2o$b2obo2bo$5b3o$b4o$bo2bo2b3o$4b
obobobo$5bo5bo$12bo$11b2o!
I am tentatively considering myself back.

GUYTU6J
Posts: 2200
Joined: August 5th, 2016, 10:27 am
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Re: 20-bit still life syntheses

Post by GUYTU6J » March 4th, 2022, 9:12 am

Daily reduction practice, including a component that I think will benefit from a 4G version of synthesise-patt.py:

Code: Select all

#C xs20_ggm9bk46z1w321, xs20_0g8ehla4z12543, xs20_0ciarzra96, xs20_628c22r88628c
x = 604, y = 84, rule = B3/S23
266bo$264bobo$126bobo136b2o$127b2o$127bo6$181bo$182b2o386bo$129bo51b2o
388bo$83bo46bo438b3o$83bobo42b3o$83b2o2$82bo47bo385bo$80bobo46b2o79bo
106bo196bobo$81b2o46bobo73b2o2bo107bobo195b2o$28bo176bobob3o105b2o203b
o$28bobo57bo117bo315bobo61bo$28b2o58bo433b2o60bobo$2b2o68b2o14bo32b2o
68b2o18bo373b2o2b2o$2b2o16bo51b2o46bo2bo66bo2bo16bobo191bo183bo2bo$20b
obo98bobo67bobo16bo2bo103bo87bo183b2o$20b2o100bo69bo18b2o105bo5bobo76b
3o$16b2o67b2o229b3o5b2o$o14b2o53bo14b2o40bo69bo127bo$o16bo52bo55bobo
63b3obobo259bo59bo69bo$o69bo56b2o65bo2b2o258bobo57bobo67bobo$193bo264b
2o4bo53b2o68b2o$76b2o385bo$76bobo243bo77b2o48b2o11b3o44b2o68b2o$76bo
244bo78b2o48b2o58b2o9b2o57b2o9b2o$321b3o87b2o108b2o68b2o$74b2o334b2o$
73bobo145b2o102bo77b2o7bo40b2o58b2o68b2o$75bo144b2o97b3o3bobo75bobo47b
obo10b3o44bobo67bobo$222bo96bo5b2o77bo49bo11bo47bo69bo$320bo146bo3$
308bo273b2o$302b2o5bo271bo2bo$301bobo3b3o272b2o2b2o$303bo205b2o75bobo$
508bobo75bo$305b3o202bo$307bo208b2o$306bo209bobo$516bo4$303bo297b3o$
303b2o5b3o288bo$302bobo5bo291bo$311bo5$310b2o$309bobo$311bo16$362b2o$
362bobo$362bo!
EDIT:
dvgrn wrote:
March 4th, 2022, 10:32 am
GUYTU6J wrote:
March 4th, 2022, 9:12 am
Daily reduction practice, including a component that I think will benefit from a 4G version of synthesise-patt.py...
This is the one you're talking about? It's the only one that has enough gliders, and it does look like it ought to be improvable...
Nope, I meant the last one, specifically what the beehive+boat seed from octohash becomes. That is a general block-to-something component, isn't it?
Two more:

Code: Select all

x = 313, y = 42, rule = B3/S23
302bo$303bo$301b3o5$238bo$237bo72b2o$237b3o69bo2bo$305b2o3bobo$225bo
79b2o4bo$226b2o$225b2o$230bo9b3o$229b2o9bo$17bo48bo162bobo9bo$6bo9bo
47bobo$4bobo9b3o46b2o5bo58bobo166b2o2b2o$5b2o65bobo57b2o83bo82bo2bo2bo
$72b2o9b2o47bo85b2o10b2o70b2obo$13bobo67b2o132b2o10b2o72bob2o$14b2o54b
o8bo61b2o3b2o83bo70bo2bo2bo$14bo53bobo7bobo60bobo2bo3b2o151b2o2b2o$69b
2o8b2o61bo5bo2bo$147b3o67bobo$218b2o$145b3o70bo$4b2o68b2o8b2o57bo2bo5b
o69b2o$4bobo67bobo7bobo56b2o3bo2bobo67b2o$5bo69bo8bo62b2o3b2o58b2o9bo
73bo4b2o$2o68b2o140b2o82bobo3b2o$2o68b2o9b2o79bo133bo2bo$80bobo78b2o
134b2o$82bo5b2o71bobo$88bobo$88bo3$305b3o$305bo$306bo!
Here is a job for the mango... if you can edgeshoot the active region properly.

Code: Select all

x = 25, y = 12, rule = B3/S23
23b2o$23b2o2$20bo$5b3o4b2o5b3o$5bo2bo2bo2bob2o3bo$3bo3b2obo2bo2bo2bo$
3b3o5b2o4b3o$4bo2$2o$2o!
Another challenge:

Code: Select all

x = 22, y = 30, rule = B3/S23
19bo$15bo3bobo$14bobo2b2o$13b2ob2o$7b3o$6bo2bo$5bo$6bo2bo$7b3o5$17b2o$
17b2o$3b2o$3b2o5$12b3o$12bo2bo$16bo$12bo2bo$12b3o$4b2ob2o$b2o2bobo$obo
3bo$2bo!
Last edited by GUYTU6J on March 4th, 2022, 10:19 pm, edited 2 times in total.

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dvgrn
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Re: 20-bit still life syntheses

Post by dvgrn » March 4th, 2022, 10:32 am

GUYTU6J wrote:
March 4th, 2022, 9:12 am
Daily reduction practice, including a component that I think will benefit from a 4G version of synthesise-patt.py...
This is the one you're talking about? It's the only one that has enough gliders, and it does look like it ought to be improvable:

Code: Select all

x = 101, y = 84, rule = B3/S23
2bo$obo$b2o16$53bo$53bobo$53b2o5$53bo$54bo5bobo$52b3o5b2o$61bo5$58bo$
57bo$57b3o2$61bo$55b3o3bobo$55bo5b2o$56bo3$44bo$38b2o5bo$37bobo3b3o$39b
o2$41b3o$43bo$42bo5$39bo$39b2o5b3o$38bobo5bo$47bo5$46b2o$45bobo$47bo16$
98b2o$98bobo$98bo!
popseq does a 4G search, so I ran that on the Thing That Hits The Beehive ... got four solutions
$ ./popseq.exe
Accepted pattern: 6b2o$5b3o$b2obo3bo$o4b3o$o3b2obob2o$2ob2o2bobo2bo$5b3obo$2b5o$4bo!

35$35b3o$35bo$27b3o6bo$29bo$28bo3$26b3o10bo$28bo9b2o$27bo10bobo!
35$34b3o$34bo$27b3o5bo$29bo$28bo2$30b2o$31b2o$30bo5$47bo$46b2o$46bobo!
34$35b2o$34b2o$36bo$27b3o$29bo$28bo19bo$47b2o$31b2o14bobo$30bobo$32bo!
36$37bo$27b3o6b2o$29bo6bobo$28bo6$41bo$40b2o$21b2o17bobo$20bobo$22bo!
and the first and fourth ones look workable, if the beehive is built later. I'll edit in a solution here when I have time to put it together, if nobody else posts it in the meantime.

EDIT: 14G, taking ridiculously long to complete but it works fine:

Code: Select all

x = 129, y = 112, rule = B3/S23
obo$b2o$bo27$48bo$49bo$47b3o5$80bo$79bo$79b3o5$69bo$69bobo$69b2o7$69b
2o12bo$49bo18b2o12bo$50b2o18bo11b3o$49b2o$78b2o$44b3o11bo18b2o$46bo12b
2o18bo$45bo12b2o7$58b2o$57bobo$59bo5$47b3o$49bo$48bo5$79b3o$79bo$80bo
27$127bo$126b2o$126bobo!

GUYTU6J
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Re: 20-bit still life syntheses

Post by GUYTU6J » March 5th, 2022, 7:59 am

Today's targets: xs20_g0tb0g8oz11wdb, xs20_31kmiozw14628c, xs20_39c88czx31139c, xs20_09v0s93z32w32, xs20_ol3w3lozw3443 (a component that acts on a free pseudo beehive), xs20_xol3z2ld221z32

Code: Select all

x = 904, y = 80, rule = B3/S23
17bobo212bo$18b2o210b2o$18bo212b2o$37bobo$37b2o$38bo3$204bo$202bobo$
36bo166b2o$35bo$35b3o5$bo$2b2o$b2o44bo57bo190bo$45b2o56b2o191bo84bo94b
o344bobo$46b2o56b2o13b2o175bo82b2o95bobo342b2o$o118bo260b2o94b2o145bo
198bo$o119b3obo14b2o55bo6bo79bo76bo110bo152bo$o120bob2o14b2o56bo5bo79b
o77b2o106bobo150b3o$100b2o14b2obo75b3o5bo79bo10bo5bobo57b2o108b2o$100b
2o14bob3o172bobo4b2o$49bo71bo171bobo5bo$48b2o70b2o13b2o157bo$48bobo85b
2o150bo84bobo346bo62bobo$38b2o95bo145bo5bobo83b2o7bo167b2o68b2o84b2o
12b2o64b2o$37b2o242b2o4bobo84bo6bo167bobo67bobo11b2o70bo2bo12b2o63bo$
39bo185b3o52bobo5bo10bo81b3o166bo69bo12bobo70bobo$225bo73bo63bo269bo
66b2o5bo$226bo72bo61bobo335bobo$362b2o180bo155bo$286bo188bo69bo97bo
256bo$3b3o280bo187bo68b3o97bobo253bo$5bo217b3o60bo170bo16b3o140bo25b2o
68bo185b3o$4bo218bo232bobo11b3o84b2o57bobo8b2o83bo$217b2o5bo231bobo11b
o86b2o57bobo8b2o83b3o$216bobo238bo13bo145bo79bo81bobo114bo$218bo477bob
o8b2o71b2o114bo$540b3o153bobo8b2o71bo115bo$2bo539bo154bo110bo6bobo$2b
2o379b2o156bo6bo163b3o92bo7b2o$bobo379bobo163bo162bo90bo3b3o6bo84bo$
22bo195b2o163bo63bo13bo85b3o70bo92bo88bo78b2o3bo14bobo$21b2o195bobo
142b3o82bo11bobo90b2o64bobo180b3o70b2o4bobobobo13b2o$21bobo194bo146bo
6bo73b3o11bobo89b2o66b2o253b2o7b2obo$364bo7b2o68b3o16bo92bo145bo185bob
2o7b2o$371bobo70bo254bobo87b3o79b2o13bobobobo4b2o$443bo256b2o5bo83bo
78bobo14bo3b2o$706bobo68bo6b3o3bo81bo$705bo2bo68b2o7bo$190b2o193b2o
319b2o68bobo6bo$191b2o191b2o427bo63bo$190bo195bo425b2o63bo$365b2o445bo
bo62bo$366b2o$365bo$872b3o$874bo$447b2o424bo$447bobo$447bo164b3o$441b
2o171bo$440bobo170bo$442bo364bo$806b2o$806bobo7$771bo$771b2o$770bobo!
This one for xs20_6426gd3og8ozy011 is a reduction, but probably not enough to make it in 19G:

Code: Select all

x = 101, y = 70, rule = B3/S23
2bo$obo$b2o6$44bo$42bobo$43b2o2$52bo$53b2o$52b2o$78bo$76b2o$77b2o2$66b
o$66bobo$66b2o4$44b2o$44b2o2$27bo$25bobo$26b2o2$45b2o$45bobo12b2o$46bo
13b2o$39b2o13bo$39b2o12bobo$54b2o2$73b2o$73bobo$73bo2$55b2o$55b2o4$33b
2o$32bobo$34bo2$22b2o$23b2o$22bo$47b2o$46b2o$48bo2$56b2o$56bobo$56bo6$
98b2o$98bobo$98bo!
EDIT on March 6: slightly off-topic, but here is xs18_3146pjc4go, xs18_0g4q596z34521, xs18_08e1qczoge21, xs18_32138f1c84c all under 17G:

Code: Select all

x = 677, y = 98, rule = B3/S23
92bobo3bobo211bobo130b2o131bo84bobo$24bo67b2o4b2o112bo7bo91b2o130bo2bo
130bobo82b2o$23bo69bo5bo111bo7bo93bo131bobo130b2o84bo$23b3o58bo126b3o
5b3o224bo$82bobo$83b2o2bo66b2o$87bobo55bo8b2o$87b2o57bo12b2o50bo4b2o
86bo$144b3o11bo2bo48bobo3b2o84b2o$11bo146bobo49bobo90b2o$11bobo145bo
51bo$11b2o203b2o2b2o$83b3o67b3o60bo2bobo153bo$218b2o2b2o150bo$13b3o60b
3o67b3o71bobo2bo148b3o$13bo206b2o2b2o$2bo11bo57bo69bo87bo$bobo22b2o43b
obo67bobo85bobo220b2o5b2o$o2bo22bobo41bo2bo66bo2bo11b3o66b2o3bobo219bo
bo5bobo$b2o23bo44b2o68b2o12bo68b2o4bo222bo5bo$6b2o68b2o68b2o8bo$6b2o
68b2o68b2o219b2o$366bo2bo$220b3o5b3o136b2o$222bo7bo$221bo7bo142bo74b2o
$371bobo73bobo$371bo2bo72bo$288bobo81b2o4b2o61b2o$289b2o86bo2bo59bobo$
282bo6bo86bobobo61bo$283bo27b3o63bobo$281b3o27bo63bobo$305bo6bo61bobob
o$304b2o68bo2bo273bo$304bobo68b2o4b2o267bo$380bo2bo266b3o12bobo$381bob
o246bobo32b2o$382bo248b2o33bo$631bo$386b2o133bo116bo$385bo2bo130bobo
114bobo$386b2o132b2o115b2o$526bo$526bobo112bo$526b2o114bo$510b3o4bo4bo
117b3o$512bo2bobo2b2o$511bo4b2o3b2o$378b3o$380bo149b2o$379bo149bo2bo
131b3o$530bobo131bo$531bo133bo$290b2o$291b2o375b2o$290bo377bobo$668bo$
675bo$640bo33b2o$640b2o32bobo$281bo357bobo12b3o$281b2o373bo$280bobo
372bo2$539b2ob2o$539b2ob2o7$530b2o$530b2o21$642bo$642b2o$641bobo!
xs18_69n8bl8zx11

Code: Select all

x = 196, y = 26, rule = B3/S23
94bobo$95b2o$95bo3$32bo65bo$31bo64bobo$31b3o63b2o15bo$113bo$4bo108b3o
79bo$5bo187b2o$3b3o188b2o$97bo$96bobo20bo70b2o$96bobo20bo70b2o$32b2o
63bo21bo$32bobo$3o29bo$2bo$bo18b2o88b2o70bo$19bo2bo86bo2bo68bobobo$20b
obo87bobo67bobob2o$21bo4bo84bo4bo63bobo$25bobo87bobo63bob3o$25bobo87bo
bo64bo2bo$26bo89bo66b2o!
EDIT on March 7: xs18_69ajkcz0643, xs18_g88riicz1226, xs18_j5ka9jz11w11 (The famous pair of attached long shillelagh that attains highest density in 6×6), xs18_0ggdbgz1qm11, xs18_g88c9jzc9311

Code: Select all

x = 1207, y = 46, rule = B3/S23
655bo$654bo$654b3o2$535bo9bo$536bo6b2o106bo$534b3o7b2o104bobo$176bo
473bobo5bo$174bobo363bo110bo5bo$175b2o364b2o114b3o$190bo349b2o$190bobo
$190b2o2$17bo635bo237bobo124b2o78b2o81bo$18bo634bo14bo218bo3b2o125b2o
67bo10b2o82bo$16b3o163bobo163bo304bo13bo220bo3bo188b3o4bo85bo5b3o$182b
2o162b2o123bo85bo8bo100b3o58bo157b3o194bo2b3o86bo$82bo100bo163b2o120b
2o87b2o5bo161bo164bo57bo76b2o53bo24b2o64b3o$83b2o385b2o85b2o6b3o159b3o
161bo59bo75b2o78b2o75bo$18bo63b2o12b3o77b3o467b2o2b2o239b3o55b3o135b2o
95bo6b2o$19bo626bo2bobo11b2o423b2o88b2o4bo7bo$17b3o245bo9bo168b2o201b
2o14b2o422bo90b2o10bo$100bo79bo84bobo7bobo165bobo187b2o14b2o136bo7b2o
9bo68b2o77b2o232b4o$bo79bo17bobo59bo17bobo83b2o8b2o80bo86bo12bo175b2o
11bobo2bo136bo5bo2bo6bobo67bo2bo76b2o231bo4bo$obo15bo61bobo16bobo58bob
o16bobo174bobo97bobo187b2o2b2o134b3o5bobo8b2o67bobo12bo298b4o$o2bo14b
2o60bo2bo16bo59bo2bo8b3o5bo175bobo85bo11bobo71b3o6b2o180b2o72bo79bo12b
obo68bo50bo101bo76bo10b2o$b2o14bobo61b2o78b2o176b3o15bo86b2o11bo74bo5b
2o180bobo165bo2bo63b2obobo50b2o97b2o75bo7bo4b2o$170bo5bo71b2o22bo68bo
101bobo85bo8bo87b3o91bo166b2o64bob2obo49b2o99b2o74b2o6bo$170bo5bo71bob
o21bo67bo289bo13bo224b2o88bob2obo51bobo72b2o102bo$170bo5bo69b2o2b3o6b
2o11bo85b2o98b2o169bo14bo223bo2bo87bobob2o52b2o72b2o24bo86b3o$247bobo
3bo5b2o97b2o98b2o184bo89bo69bo64bobo12bo75bo51b2o3bo93b3o2bo87bo$172b
3o3b3o65bo2bo2b2o479bobo57b2o8bobo5b3o56bo12bobo127b2o96bo4b3o78b3o5bo
$247b2o483bo2bo57bobo6bo2bo5bo70bo2bo78b2o46bo87b2o10bo84bo$733b2o58bo
9b2o7bo70b2o79b2o134b2o96bo$413b2o141b2o$414b2o139b2o81b3o$413bo143bo
82bo5bo219b3o99b3o$639bo5bobo220bo99bo$552b2o7b3o81bobo219bo101bo$553b
2o6bo84bo224b3o$84b2o466bo9bo304bo3bo$83bobo21b3o757b2o3bo$85bo21bo
533b3o222bobo$108bo534bo$642bo!
I have been fighting with the nine/block and glider/wing sequence these days; choosing an appropriate edge-shooter takes very long time.
This soup provides the final step for xs18_bdgg0gzw1011mq (three snakes bridged together) directly:

Code: Select all

x = 158, y = 34, rule = B3/S23
77bo$75bobo$76b2o$83bo$83bobo$83b2o$3bo69bo69bo6b2o$2bobo67bobo67bobo
4bo2bo$3b2o68b2o62bo5b2o5b2o$138bo$136b3o$6b2o68b2o68b2o$6b2o68b2o68b
2o$155b3o$155bo$79b2o61b2o5b2o5bo$79bobo59bo2bo4bobo$80bo61b2o6bo$69b
2o$68bobo$70bo$6b2o68b2o$5bobo4bo63bobo$7bo3b2o63bo$11bobo7$2o$b2o$o!
EDIT on March 8: xs18_4s39mge2z11, xs18_31e8gzx6bge2, xs18_8ehdazmq1 and xs18_cis079ozx311:

Code: Select all

x = 965, y = 67, rule = B3/S23
322bo$320b2o$321b2o6$59bo$58bo$58b3o22$177bo378bobo$178bo378b2o$176b3o
378bo23bo$581bobo68bo$581b2o70bo$651b3o$572bo$570bobo$273b3o107bo187b
2o383bo$11bo104b2o74b3o87b3o98bobo257bo158bo152bo$10bobo3b2o99bo2b2o
52b2o207b2o259bo155b2o148b2o3b3o$10bobo3b2o99bobo2bo50bobo14bo5bo83bo
5bo355b3o7b2o147b2o135bo11b2o$11bo98bo5b2o2bobo52bo14bo5bo68bo14bo5bo
91b2o272b2o4bo278bo$111bo6bobob2o66bo5bo69bo13bo5bo90bo2bo276bobo134bo
73bo68b3o6b2o$109b3o6b2o144b3o110bobo104bo172bobo135b2o19bo51bo17bo58b
obo2bo$192b3o87b3o93bo104bo174bo135b2o19bobo50bo16bobo57bo2b3o4b2o$
483b3o330bobo67bobo55b2o9b2o$114b2o150bo384b2o9b2o153b2o45b3o3b3o14b2o
45b2o10b3o$114b2o150b2o5b2o129bo246b2o8bo2bo55b2o212b2o10bo2bo$255bo9b
obo4bobo129b3o91b2o70bo17b2o71bobo57b2o10b3o132bo78b2o$255b2o17bo132bo
90b2o69bobo16b2o70b2ob2o55bo12bo134bo$198b3o53bobo31b3o111b3obo162b2o
91bo71bo4b2o71b2o54bo13b2o$401bo2b2o256bo60bo14b2o71bo2bo66bo2bo71b2o$
281b3o115b3o258b2o60b2o16bo71bobo67bobo64b2o4bo2bo$18b2o378bo261bo61bo
bo88bo63b3o3bo65b2o5b2o$18bobo258bo5bo112b2o3b2o71b2o183bo217bo$18bo
15bo244bo5bo117b2o72b2o181b2o216bo$33b2o244bo5bo190bo14b3o87b3o378b3o$
2o31bobo159b2o765bo$b2o192bobo83b3o123b3o553bo$o12bo181bo211bo$13b2o
393bo$12bobo173b2o$187bobo$189bo!
The first of these counts as an index fossil; many G1 soups converge to this particular combination of R-pentomino, block, loaf and a SPEBOE (Standard Pi-Explodable Blocks Or Equivalent), which in addition to giving the still life in question also produces a LWSS and a pseudo block on eater 1. The recipe that it suggests (starting from generation 2381) is in fact reasonably doable, but luckily there is a better option at only 9G.

Code: Select all

x = 19, y = 25, rule = B3/S23
9b2o$8bobo$8bo2bo$9b2o$10bo3$8b2o$8b2o$16b2o$15bo2bo$15bobo$16bo11$2o$
2o!
And this is my first time to use M&C's long boat trick for cheaper synthesis.
Killing two birds with one stone - by removing a beehive from the recipe of xs18_08e1u8zoge21, I could get a xs21_0ggmmggc453z32w1.

Code: Select all

x = 223, y = 26, rule = B3/S23
84b2o$83bo2bo63b2o$9b2o68b2o3b2o61bo3bo65bo$9b2o68b2o64b6o64b5o$144bo
69bo5bo$4bo69bo67b3o2b2o63b3o2b3o$2bobo4b2o61bobo4b2o60bo5b2o62bo5bo$
3b2o4b2o62b2o4b2o60b2o68b2o3$2o68b2o72bo6bo62bo6bo$b2o68b2o70bobo4bobo
60bobo4bobo$o69bo73bobo3bobo61bobo3bobo$145b2o4bo63b2o4bo$8b3o67b3o$
10bo69bo$9bo69bo$13b3o67b3o56b3o67b3o$9bo3bo65bo3bo60bo69bo$9b2o3bo64b
2o3bo58bo69bo$8bobo67bobo3$135b3o67b3o$137bo69bo$136bo69bo!
Apparently, I can keep updating this post without having the "last edited" message show up as long as there is no new reply below. But still it is about time to change to another thread.

User avatar
May13
Posts: 787
Joined: March 11th, 2021, 8:33 am

Re: 20-bit still life syntheses

Post by May13 » November 8th, 2022, 9:38 am

I synthesized one of the last two pseudo still lifes (xs20_03lk2mz32011074):

Code: Select all

x = 154, y = 37, rule = B3/S23
76bo$75bo39bo$75b3o38bo$114b3o$20bo37bobo$20bobo36b2o75bo14bo$13bobo4b
2o37bo75bo15bobo$14b2o119b3o13b2o$14bo114bo$8bo120bobo$9bo6bo105bo6b2o
18bo$7b3o6bobo101bobo25bo$16b2o45bo57b2o25b3o$3b2o59b2o$4b2o57b2o10bo
59bo$3bo17b2o50b3o57b3o$11b2o8bobo37bo10bo59bo12bo$11bo2b2o5bo39b2o8bo
2b2o55bo2b2o8b2o$12b2obo44bobo9b2obo56b2obo8bobo2$2o8b4obo54b4obo56b2o
bo$b2o7bo2b2obo53bo2b2obo53bo2b2obo$o15bo59bo53b2o4bo$16b2o58b2o58b2o
4$56b2o$57b2o$56bo3$58bo15b2o$58b2o13b2o$57bobo15bo6bo$81b2o$81bobo!
Let's finally finish this project for pseudo still lifes! The last remaining still life is:

Code: Select all

x = 8, y = 7, rule = B3/S23
2b2o2b2o$2bo2bobo$3bobo$4o2bo$o4b2o$bo$2o!
xs20_o8bd0mp3z23
Edit: I'm close to a solution:

Code: Select all

x = 60, y = 71, rule = B3/S23
52bo$50b2o$51b2o16$45bo$43b2o$10bo33b2o$11b2o$10b2o4$38bo$36b2o$37b2o
3$38b2o$37b2o$39bo6$38b3o$38bo$39bo2$57b2o$57bobo$57bo3$33bo$32b2o$32b
obo4$bo$b2o$obo3$55b2o$49bo5bobo$48b2o5bo$18b2o28bobo$19b2o$18bo$49b2o
$49bobo$49bo$53b2o$53bobo$53bo!
But I don't know how to convert claw into hook.
Edit 2: no edgy predecessor of egyptian walk from 30 first C2_1 soups.
Edit 3: DONE!

Code: Select all

x = 72, y = 71, rule = B3/S23
52bo$50b2o$51b2o$69bobo$69b2o$70bo2$11bo$12b2o$11b2o7$61bo$61bobo$45bo
15b2o$43b2o$10bo33b2o$11b2o$10b2o4$38bo$36b2o$37b2o3$38b2o$37b2o$39bo
6$38b3o$38bo$39bo2$57b2o3b3o3b2o$56b2o4bo5bobo$58bo4bo4bo3$33bo$32b2o$
32bobo3$58b2o$bo55b2o$b2o56bo$obo3$55b2o$49bo5bobo$48b2o5bo$18b2o28bob
o$19b2o$18bo$49b2o$49bobo$49bo$53b2o$53bobo$53bo!
[/project]
The latest version of hex-gliders.db have 668 gliders from OT hexagonal rules. Let's find more!
My CA (13 rules)
My scripts: new-glider.py v0.2 (new version), nbsearch2a.py, collector.py v0.3

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