## 17 in 17: Efficient 17-bit synthesis project

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.
dvgrn
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Posts: 7786
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### Re: 17 in 17: Efficient 17-bit synthesis project

Here's a fresh link to the expensive 17-bitters.

I've submitted this as a 13- glider solution for xs17_0raik8z4a43.

Code: Select all

``````x = 242, y = 54, rule = B3/S23
52bo\$50b2o\$51b2o4\$49bo\$50b2o\$49b2o2\$54bo\$52b2o\$53b2o9\$94bo\$92bobo\$93b
2o8\$173bo8bo\$174bo7bobo\$172b3o7b2o2\$115b2o39b2o7b2o\$114bo2bo37bo2bo5bo
2bo72bo\$110b3o2b2o39b2o2b3o2b2o66b2ob2obobo\$234bobo3bo\$152b2o80bo2b3o\$
obo149b2o81bobo\$b2o55bo59bo49bo67bo\$bo3b3o49bobo57bobo47bobo\$5bo52b2o
58b2o48b2o\$6bo176b2o\$90b2o90b2o\$89bobo92bo\$91bo23b2o\$115bobo56b2o\$115b
o59b2o\$174bo\$200b2o\$199b2o\$201bo!``````
I'm kind of curious about whether it will be parsed correctly, since the three gliders that make the beehive+blinker constellation start well over 20 cells away, and look like they don't belong to the synthesis at all.

I only checked the first soup, so there might be something better. I didn't even notice that the pre-TL and pre-HF are the ones produced by an R-pentomino. Not sure if that would help here, though.

Macbi
Posts: 808
Joined: March 29th, 2009, 4:58 am

### Re: 17 in 17: Efficient 17-bit synthesis project

dvgrn wrote:I'm kind of curious about whether it will be parsed correctly, since the three gliders that make the beehive+blinker constellation start well over 20 cells away, and look like they don't belong to the synthesis at all.
Similarly, I just submitted this

Code: Select all

``````x = 499, y = 98, rule = B3/S23
229bo\$229bobo\$229b2o\$498bo\$496b2o\$497b2o2\$402bo\$212bo188bobo\$213bo180b
2o4bo2bo\$211b3o173b2o4bo2bo4b2o\$387b2o4bo2bo\$394b2o\$217b3o164b2o110bo\$
219bo163bo2bo90bo17bobo\$218bo165b2o89bobo10b2o4bo2bo\$380bo95b2o3b2o4bo
2bo4b2o\$208b3o168bobo99b2o4bo2bo\$210bo168bobo106b2o\$209bo170bo97b2o\$
390bo86bo2bo\$389bobo86b2o\$388bobobo81bo\$4bo382bo2bobo80bobo\$2bobo230bo
6b3o143b2obo81bobo\$3b2o72bo156bobo153bo83bo\$76bo157bobo150bobo94bo\$76b
3o156bo151b2o94bobo\$482bobobo\$10bo68b2o309bo90bo2bobo\$8bobo54bo13bobo
303b2o2bobo90b2obo\$9b2o53bobo12bo147bo12bo144b2o3b2o92bo\$64bobo159bobo
11bo240bobo\$14bo50bo160bo2bo10bo240b2o\$13bo213b2o156b3o\$13b3o371bo\$
386bo\$bo55bo12bo\$obo53bobo11bo\$o2bo52bo2bo10bo\$b2o54b2o55\$161b2o\$162b
2o\$161bo!
``````
synthesis of xs17_8kidicz6421 that breaks the catagolue's "Every glider in a component must have started interacting before time 200" rule. I'm not sure what I could have done, since that cleanup glider really does have to be there.

EDIT:

Code: Select all

``````x = 550, y = 100, rule = B3/S23
547bo\$547bobo\$547b2o19\$bo\$2bo\$3o80bo\$82bobo\$82bobo82bo\$83bo82bobo\$166b
obo\$80b2o85bo\$79bo2bo\$80bobo81b2o\$81bo81bo2bo81bo\$164bobo80bobo\$159b3o
3bo81bobo\$248bo\$157bo5bo\$157bo5bo81b2o\$7b2o148bo5bo80bo2bo\$6b2o237bobo
30bo\$8bo150b3o78b3o3bo30bo203bo\$277b3o200bobo14bo\$4bo233bo241bobo15bo\$
4b2o232bo242bo14b3o\$3bobo232bo\$168b3o307b2o14bo4bobo\$63b3o102bo71b3o
234bo2bo11bobo4b2o\$65bo103bo304bo3bobo12b2o5bo\$64bo409bo4bo\$275b2o197b
o\$87b3o185bobo\$87bo187bo194b3o\$88bo\$474bo\$474bo29b2o\$474bo29b2o43\$410b
2o\$411b2o\$410bo!
``````

Code: Select all

``````x = 781, y = 79, rule = B3/S23
766bob2o\$765bob2o2bo\$765bo4b2o\$766b3obo\$768bo2bo\$770b2o\$268bo\$269bo\$
267b3o\$271bo\$271bobo\$271b2o2\$524bo\$524bo\$510bo13bo\$509bo\$18bo490b3o\$
16b2o249bo255bo\$17b2o247bobo241bo11bobo\$265bobo5b2o234b2o10bobo5b2o\$b
2o16bo245b2o6b2o234bobo9b2o6b2o\$obo16b2o\$2bo15bobo2\$770bo9bo\$769bobo8b
o\$769bobo8bo\$770bo3\$775b2o\$774b2o\$776bo9\$493b2o\$492bobo\$494bo3\$494bo
44b2o\$494b2o42b2o\$493bobo44bo5\$442b2o\$441bobo\$443bo2\$462b3o\$464bo\$463b
o16\$467b3o\$469bo\$468bo!
``````
Last edited by Macbi on May 16th, 2019, 6:06 am, edited 3 times in total.

Freywa
Posts: 718
Joined: June 23rd, 2011, 3:20 am
Location: Singapore
Contact:

### Re: 17 in 17: Efficient 17-bit synthesis project

Macbi wrote:Similarly, I just submitted this synthesis of xs17_8kidicz6421 that breaks the catagolue's "Every glider in a component must have started interacting before time 200" rule. I'm not sure what I could have done, since that cleanup glider really does have to be there.
Your synthesis got corrupted, but Dave's one didn't.

There is a part of the comp-port.sjk folder called Lach Trash, which holds components that are corrupted in some way and which do not form part of a meaningful synthesis. If I can salvage anything meaningful from these corrupted components, I do so by hand and add the salvaged components myself.

Edit: An unusual template:

Code: Select all

``````x = 28, y = 24, rule = B3/S23
21b2o2bo\$20bob4o\$20bo\$21b3o\$24bo\$23b2o7\$7b3o15b2o\$9bo6b3o6bobo\$8bo7bo
8bo\$17bo6\$3o\$2bo\$bo!``````
The first auto-generated components from my template system have been added to Shinjuku based on this template
Princess of Science, Parcly Taxel

Freywa
Posts: 718
Joined: June 23rd, 2011, 3:20 am
Location: Singapore
Contact:

### Re: 17 in 17: Efficient 17-bit synthesis project

We're now getting into the really hard stuff. There are 417 expensive xs17s remaining:

Code: Select all

``````#CLL state-numbering golly
x = 831, y = 190, rule = B3/S23
5bo16b2o17b2o17b2o3b2o14bob2o18bo19bo17b2o24b2o11b2o21bo19bo17b2o
18b2o18bo19b2o2b2o18bo18b2o14b2o3b2o13b2o20b2o22b2o12b2o2b2o16bo
21bo19b2o20b2o13b2o19b2o2b2o13b2o17b2o19bo18b2o2bo15b2o18b2o20b2o
17bo18bo2b2o20b2o14b2o17b2o20b2o\$2bobobo15bobo16bo18bobobobo13bob
2o18bobo17bobo15bo2bob2o13b2o4bobo11bobo19bobo17bobo15bo2bob2o15bo
18b3o16bo2bo2bo17bobo16bo2bo13bo2bo2bo13bo22bo17b2o2bobo12bo2bobo
15bobo19bobo17bobo17bobobo13bobob2o14bo2bo2bo13bo19bo18bobo17bo2bo
bo14bo2b2o15bobob2o15bo2bo15bobo17b4obobo13bo2bobo14bo18bobo19bo\$b
ob2obo17b3o16bo18bobo15bo4bo15bobobo15bobobo14bobo3bo14bo2b3o15b3o
17bob3o14bo2bo16bob2obo15bob2o18bo16bob2o20bobo14bob2o16b2obo16bo
18bo20bo2bo16b2o16bo2b3o14bo2bobo16bo2bobo14bob2o17b2obo15bobobo
15bo18bob2o16bo2bo17b2obo15bobo2bo15b2obo14bobo2bo14bobo23b2o12bob
o2bo16bo20bo19bo\$bo3bo17bo3bo14b2o17bobobo15b5o15bobo2bo13bo2bobo
15bob3o15bobo3bo13bo3bo14b2o5bo13b2ob2o16bo18b2o2bo15b2o2bo16bo19b
3o2bo13bo2bo19bo16b2o18b2o19bob2o18bo16b2o3bo13b3obo17b2o2b2o14bo
3bo15bo18b2o2bo17bo18bobo17b2obo19b2o15bo2b2o14bo19bob3o15b2ob2o
14b2o18bo2b2o16b2o18b2o17b3obo\$2b3o16b3o2b2o13bo20bo2bo34b2o2b2o
15b2obo18bo18b2o2b2o13b3obo14bo5b2o14bo21b2o17bo16bobob2o17b2o17bo
2b2o14b2obo17b2o16bo22bo17b2o21bo17bo2b2o16bo16b2o21bob2o15bo19bo
18bobo21b2o17bo17b2o19b2o16bo20bo20bobo15bo19b2o17bo19bo19bo2bo\$ob
o17bo20bo21b2o18bo17bo20bo18bo42bo16bo20bo22bo15b2o17bo2bo20bo18bo
19bo18bo17bo4b2o14b2obo17bo19b2o18bobo15b2o19bo18b3o17b2o18bo19bob
ob2o21bo12b4o18bo21bo17b2o19bo17b2o17bo21bo17bob3o15bo22bobo\$2o18b
2o18b2ob2o37bobo15bo19bobo18b2o40bo18bo17b2o21bo16bo20bobo19bo16b
3o17bobo20bo17b2o2bo16bo2bo14bo21bo20b2o15bo19bo19bo19bo19b2o18bob
o2bo21b3o10bo22bo19bo19bo16b3o18bo18b2o18bo20bobobo15b2o21bobo\$43b
o39bo16b2o18b2o61b2o16b2o17bo22b2o16bobo18bo20b2o15bo19b2o20b2o19b
obo14bo3b2o14b2o21bo37bo18b2o40bo38bobo26bo10bo20b2o19b2o17bo17bo
22bo36b2o23bo17bob2o19bo\$43bobo175bo40b2o119b2o15b2o40b2o36b2o59b
2o39bo26b2o9b2o60b2o38b2o61b2o16b2obo19b2o\$44b2o174b2o11\$2bo18b2o
17b2ob2o15b2o19b2o18b2o18b2o21b2o14b2o23b2o16b2o19bo15bo2bo17b2o
20b2o16b2o20b2o15b2ob2o15b2o2b2o19b2o17b2o15b2o17b2o3bo16b2obo16bo
17b2o22b2o15b2o18b2o18b2o17b2o19bo18bob2o16b2o18b2obo18b2o17bo18b
2o2b2o16b2o17b2o17b2o20b2o\$bobo16bo2bo17bobo2bo14bo2bo15bo2bo17bo
20bo2b2o13b2obo2bo13bo2b2o15b2o2bobo15bobo18bobo14b6o16bo17bo2bobo
14bo2bo18bo2bo15bobo16bo3bo16b2o2bo16b3obo14bo18bo3bobo15bob2o15bo
bo16bo2bobo17bo2bo14bobob2o14bo2b2o15bo19bo18bobo17b2obo16bo2bobo
14bob2o17bo2bo15bobo17bo3bo16bobo17bo18bo2bob2o15bo\$bobo17b2obo16b
obob2o14bobobo14b3o20bob2o15bobobo13bob2obo15bobobo14bo3bo17bobobo
16bo2bo19bo14bo18b3o2bo15b2o2b2o14bo2bobo14bo2b3o15bobo15bo2bobo
15bo4bo16bo17bo2bo2bo12b2o18bo2bo17bob2obo15bob2o17b2obo15bobo2bo
15bo17bob2o16bo2b2o18b2o15b2ob2o18b2o14bobobo15bobo18bo3bo14bobo
19bo19b2obo17bo\$2obob2o15bo2bo16bobo15b2o2bo18b3o16b3obo13b2o2bo
19bo17bo3bo15bob2o15b2o2bobo13b2o2b2o15b4o15b2o20b2o18b2obo15b2obo
16b2o2bo14b2o2b2o14bob2o16b2o3b2o14b2o18bob3o14bob2obo13b2ob2o17bo
3bo15bo2bobo14bo18b2o3b2o14b2o18bo2bo16b2o2bo19bo15bo18b2obo2bo13b
o2b2o15b2ob2o14b2o2b2o14bo2b3o15b2o20bo2bo13b3o2bo\$bob2obo15bob2o
18bo17b2o16b2o3bo35bob2o16b2o20b3o15b2o19bo3bo14bo21bo19bo16b2o19b
2o20bo19bo19bobo14b2o21bo17bo21bo17bobob2o15bo17bobo3b2o15bo2b2o
14bo20bo17bo22bo19b2o18b2o16bo18bobo2b2o14b2o19bobo15bobo17b2o2bo
14bo19b3o2b2o13bo2b3o\$bo21bo19bo18bo17bo19b3o18bo19bo19bobo18bo18b
o20bo18bo21bo16bo21bo18bobo17bo21bobo15bo18bobo17bo2b3o18bo17bo19b
o17b2o18b3o17b2o18bobo17bo2b3o14b4o18b2o16b2obo19b2o17bo20bo17b2o
18bobo18bo17bo4b2o13bo21bo\$2o19bobo19b2o15bobo19bo17bo2bo16b2o20bo
18b2o18bo18bo22bo17b2o19b2obo16bo18bo18bobo18b2o21bo15bo19b2o19b2o
2bo17b2o35b2o38bo19bo19b2o19b2obo15bo22bo16bob2o20bo35b3o18bo20bo
17bo20b2o2bo37bo\$21b2o37b2o19b2o18b2o38b2o38b2o17b2o19bobo37bo2b2o
15b2o18b2o17b2o58b2o41bo56bo60bo44bo14bo19bo41bo36bo21bo37b2o21bob
o38bo\$220bobo37bobo160b2o56bo58b2o43b2o13b2o19b2o40b2o56b2o60b2o
38b2o\$221bo39bo218b2o11\$2o2bo15b2o2b2o14b2obo18b2ob2o16bobo16bo23b
o17bo15b2o20bo19b2obo14b2o3b2o13b2o20b2o20b2o14b2o23b2o14bo18b2o
21b2o18bo17b2obo15b2o2bo18b2o18bo16b2o20bo18b2ob2o19b2o14b2o17b2o
19bo18bo7b2o10b2o18b2o20b2o21b2o17bo17bo18b2o17b2o2b2o19b2o\$o2bobo
14bo2bo2bo14bob3o17bobo16bob2o15bobo21bobo14b3o15bobo2b2o14bobo17b
o2b2o14bo3bobo13bo2bo18bo20bo2bo13bo2bobo15b2o3bo13bobo2b2o13bobo
19bo2bo16bobo16bob2o15bo2bobo14bo2bo17b3o16bo3b2o15bobo17bob2o21bo
14bo19bo18bobo17b3o4bo2bo9bo19bo20bo2bo15b2o2bobo16bobo15bobo17bo
18bo2bo2bo16bo2bo\$b2o2bo15b2obobo14bo4bo13b3o3bo15bo17bo2bo16b2o3b
obo13bo20bo3bo14bo2bo17bo18bo2bo16b2obo18bo18bob2obo13b2ob2o15bo2b
o16bo2bo2bo14bo20b2obo14bo2bo20b2o14bobo2bo13b3o2bo14bo21bo2bo16bo
2bo20bo14bo2bo18bo17bobo17bobo2bo16bo2bo2bobo10bob2o16bo4bo12bobo
2bo14bobo2bo14b2o2bo15bo2bo18bo19b2obo16bob2o\$3b2o17bob2o16b4o14bo
2b3o14bobob2o15b3obo14bo2bob2o13bo2b2o16b2obo15b2ob2o16b2ob2o16bob
2o16bo2bo16b2o18bo2bobo14bo20b3o16b3obo14b2ob2o14b3o2bo15bob2obo
15b2o2bo15bob3o16b3o14bob2o17b2obo18b2obo15b2ob2o14b5o16b2o18bobo
18b4o15bo2bo4bo10b3o2bo14b2o3bobo12bo4bo16b2o15bob2o16bobob2o15b2o
20bob2o15bo2bobo\$b2o19bo20bo17bobo16b2obobo18b2o16b2o17b2o2bo15bo
2b2o16bo20bobo17bo18bob2o15bo21bo2bo15bo42bo17bobo14bo2b2o17bo2b2o
14bob2o18bo18bo18bobo16bo3b2o19bo16bo38bo22bo17bo20b2o20bo15bo3bob
o14b4o15b2o19bo18b2o2bo14bo19b3o20bo2b2o\$2bo18b2o18bo20bo20bo17b2o
20bo19b2o18bo18bo17bobo18bobo19bo17bo18b3o17b2o19b3o20bo16b2o19bo
20bo17bo22bo18bo19bob2o14b3o17b4o15bobo20bo17bo22b2o17b2o38b2o17bo
2bo17bo18bo19bo20bo17bobo16bo19b3o\$bo39b2o40b2o16bo20bo20bo18b2o
16b2o18b2o19b2o18bobo16b2ob2o15bo19bo19bo2bo19bo17bo19b2o17b3o17b
2o21b2o15b3o19bobobo16bo18bo17b2o19b3o18b2obo16b2o2bo17bo38bo19bob
o15bo19bo18b2o18bobo17b2ob3o34bo\$b2o99bo19b2o20bo35bo60b2o19bo2bo
35bo18b2o21b2o18bo36bo59bo22bo36bo39bo19bobob2o16bo2bo16bo41bo19bo
16b2o18b2o17bo19b2o24bo\$101b2o40b2o37bo79bobo35b2o60b2o156b2o38b2o
18b2o21b2o17b2o39b2o76bo43b2o\$181b2o80bo476b2o11\$2o2bo15b2o2bo18b
2ob2o14b2o16b2o21b2o17bobo20bo18b2o16bobo15b2o2bo3bo11b2o18b2o2bo
16b2o18b2o17b2o20bo18bo18b2o19b2o18b2o22b2o13b2o2bo17b2ob2o15bo17b
2o3b2o15bo23b2o16bo16b2o17b2o19bo18bo19b2o3b2o15b2o3bo15bobo19bo
17b2o15b2o19b2o2b2o15bob2o19b2o\$o2bobo14bo2bobo18bobo16bo16bo2bo
17b3o2bo14bob2o19bobo16bobo16b2obo14bo2bobobobo10bo19bo2bobo16bo
18bobo16bo4bo15bobo16bobo17bobo19bo19bo18b2o3bo13bo2bobo14bo2bobo
15bobo16bo2bo2bo14bobo2b2o14b2o2bo16bobo15bo19bo2b2o14bobo17b3o2b
2o13bo4bo15bo2bobobo12b4obo13b2o2bobo16bo17bo19bo2bobo15b2obo18bo
2bob2o\$b2obobo14b3obo15b3o2bo15bo18bob3o14bo4b2o14bo3b2o15b3obo14b
3o16b2o3bo16b2obobo2bo11bo4bo13b2o2bo16bobo19bo17bobobo14bo2bobo
14bo2b2o17bo2b2o14bob2o15bo19bo2bo16b2obo15b2obo2bo13bobo2b2o15b2o
bo16bobo2bo13bo2bobo14bo2bobo16bo17bobo2bo14bobo2bo16bo2bo15bo3bo
13bobo2b2o2bo10bo5bo13bo3bobo13bo3b3o13bo22b2o15b2o22bo2b2obo\$2bob
obo17bo15bo3b2o15bo20bo3bo14b4o17b2o2bo14bo3bo14bo3bo15bo2b2o21bo
2b2o10b2o2b3o15b2o18bobo19bo15b2obo2bo14b2ob2o15b2o2bo14b2obo2bo
15bo2bo14b2o19bob2o16bo19bob2o14bo2b2obo16bob2o17b2o16bob2o15b2obo
2bo14b2o18bob2o17b4o15b2obo15b5o15bo5bobo11b2o3b2o14bob2o14b4o2bo
13b2o19bobo2bo14bo20b2o\$o4bo15b2o18b3o17b2o20bob2o17bo15bobob2o14b
ob3o16b3obo15b2o39bobo16b2o18bobobo16b4o17bob2o16bo20b2o16bob2o19b
o17bo17b2o2bo16bo19bo18b2o17b3o20bo19bo19bo2b2o13bo22bo17bo20bob2o
40b2o13bo18b2o20bo18bo17bobo2b2o13bo21bo\$2o19bo21bo20bo15b3o20bo
16b2o19bo22bo17bo39bo2bo16bo17bobobo17bo20bo17bobo18b2o16bo20b4o
18bo16bo2bo16b2o19b2o19bo17bo20b3o17bobo16bobo18bo20bobo18b2o16bo
21bo37bo20bo19bo17b2o19bo18bobo17bobo\$23bo36bob2obo14bo22b2o37bo
20bo16bo42bobo14bo19bobo20bo18b2o16bobo17bo2bo16b2o20bo17b2ob2o16b
2o17bo39bo39bo19bobo17b2o20b2o17bobo20bo16b2o19bobo36b2o17bo20bo
18bo3b2o35bobo16b2o\$22b2o36b2obobo75b2o20b2o15b2o42bo15b2o19b2o18b
obo36b2o18b2o38bo19bo2bo37bo38b2o38b2o19bo38bobo2bo16bo20bo39bo56b
2o19b2o18bo2bo38bo\$64bo215bobo97b2o19bobo36b2o138b2o2b2o37b2o137bo
bo38b2o\$281bo120bo360bo11\$3b2ob2o14b2o19b2o15b2o19b2o21bo16b2o2bo
15bo19b2ob2o17b2o17b2o2b2o15bo16b2obob2o13b2o2b2o20b2o15bo21bo15bo
20b2o17b2o19b2ob2o13b2o4b2obo10b2o2b2o15bo20b2o19bo17bo22b2o16b2o
17b2obo16b2o18bo18bo3b2o14b2o20bo20bo19b2o16b2o17b2o22bo17bo22bo\$
2bobobo15bobo17bo2bo14bo2bo18bo20bobo15bo2bobo14b3o17bob2obo15bo2b
o15bo2bo2bo13b3o2bo13bob2obo2bo11bo3bo16b2o3bo14b3o19b3o14bobo18bo
bo17bo3b2o16bobo15bo4bob2o10bo3bobo13bobo3b2o15bo17b3o17b3o18bo2bo
17bo17bob2o15bo2bo16bobo17b3o2bo14bo3b2o15bobo17b3o19bo18bo18bo21b
obo16b3o19bobo\$2bobobo13bobo2bo16bobobo14b2obo15bo21bobo17b2o2bo
17bo21bo14bob2obo13bobobobo13bo3b3o17bo2b2o13bobobo14bo2bobo13bo5b
2o14bo18bo2b2o14bo22bo2bo15bo3bo14bob2obo15bobobo13bobo3bo13b3o17b
o23bo16bob2o16bo2b2o35b2obobo14bobo2b2o15b2o17bo2bo14bo2b3o14bo5b
2o13b2o2bo14bo19bo21bobobo13b2o3bo18bo2bo\$b2o2bo14b2obobo15b2o2bo
17bo16b2o20bobobo17b2o15b2o2bo16b2obo15bo3bo15bo2bob2o13b2o18b3o
17b2o2b2o15b2obo15b2obo2bo13bo2b2o16b2o2bo14b2o19b2obo17b2obo15bob
obo14b2o2bo15bob2obo13bo2b3o15bo21bo18bo2b3o13b2obo2bo14b5o16bob2o
16bo3bo14bo18b2obo16b2o3bo14b2obo2bo12bo2b3o14b2o18b2o20bobobo14bo
2bobo15b2obobo\$2bo20bob2o16b2o16b2o19bo17b2o3b2o15b2o16bo2b2o15bo
2b2o17b3o17b2o19b2o16bo20bo20bo18bob2o16b2obo18b2o17bo19bob2o14bob
obo19bo16bo20bobo15b2o2bo14b2o21b2o18bo3bo15bo2b2o13bobo2bo16bo18b
ob3o15bo20bo19bob2o15bob2o15bo20bo19bo17b2o3bo14bo4bo16bo2b2o\$o22b
o17b2o17bo21bo17bo19bo2bo17b2o17b2o18bobo40bo36bo20bobo18bo20bo18b
2o19bo16b3o17bobo37bo20bo20bo17bo4bo19bo14b3o17bobo18bo19bobo19bo
16b2o19b2o17bobo17bo21b2o18bo19bo17bo19bobo20bo\$2o20b2o16bobo18b2o
17b2ob2o16b3o16b2o20bo37b2o43bo34b2o18bobo18b2o18bobo19bo18b2obo
14bo20bo38b2o19b2o17bo20bo2bobo14b4o15bo19b2o18b2o18bobo21bo15bo
20bo18b2o18b2o21bo19b2o18b2o16bo19bobo16b3o\$41bo20bo17bo2bo19bo36b
o83b2o55bo38bobo19bo21bobo113b2o20bo2bo16bo78bo21b2o17bo19bo59bo
22bo19bo16bo19bo17bo\$60bo20bobo56b2o179bo20b2o20bobo136b2o15bo120b
2o18b2o59b2o19b2o18b2o16b2o\$60b2o20bo282bo154b2o221bo19bo\$744bo19b
o\$743b2o18b2o9\$b2ob2o17b2o16b2o2b2o15b2ob2o17b2o15b2o21b2o14b2obo
16b2o23b2o15b2o19bo19bo2bo13b2o19b2o18bobo17b2o18bo20b2o19b2o18bob
o15bo2b2o14b2obo17bo18b2o21bo17b2o23b2o13b2o23b2o13bo2b2o15b2o17bo
3b2o14b2o20bo2b2o13b2o3bo18bo17bo19b2obo18bo18bo22bo\$obobo18bobo
14bo2bo2bo14bobobo15b2o2bo15bo21bo2bo13bob4o14bo19b2o4bo14bo2bo17b
obo16b6o13bo21bo17bob2o17bo18bobo2b2o13bo2bo18bobo17bob2o14bobo2bo
14bob4o14bobo3b2o13bo18bobobo16bobo18b2o2bo15bo19b2o2bo13bobo2bo
14bo2bobo14b3o2bo14bobo18bobo2bo14bo2bobo15b3o16bobo18bob2o17bobo
14bobobo19b3o\$o5bo14b2o3bo13bo2b2o16bobobo16bobo17bo18bo2bobo19bo
15bo18bo2bo15bobo2bo15bobo16bo20bo19bo18bo3b2o16bo18bobo2bo13b2o2b
2o15bo20bo18bob2o21bo13bo2bo2bo13bo19b2obo20bo16bo2bobo14bo19bo2bo
bo14b2obo16b2ob2o17b2o17bo17bo2bobo14bo3bobo14bo3b2o13bobo23b2o14b
obo15b2obobo17bo\$bo3b2o13bo2b2obo14b2o17b2o2bo17bob2o17bo17b2obob
2o13b2o2b2o14b2o18bobob4o12bo4bo13bo2bobo15b2o2b2o15bo18b2o18b2o2b
o15b2o2bo17b3o20bo15b2o19b2obo16bo17b2o2b2o14b2obobo13b2o21bobo16b
2o2bo15b2obo15b2o19bob2o17bob3o14bo19bo18b2ob2o15b2obo16b3obo14bob
2o2bo13bo22b2o2bo14bobobo16bobo18bo\$2bo2bo15b2o2bo16bo18bo18b2obo
16b4o19bo17bo2bo15bo21b2obo2bo13b4o15b2ob2o17bo2bo14b2o20bo19b2o
18b3o16bo21b2o18bo16bobob2o16bo17bo21bobo15bo18b2o2b2o17bob2o16bo
18bo18b2o20bo3bo14bo19bo20bobo17bo20bo16bo2b2o15bo18bobob2o14b2o3b
2o13b2o2bo18b2o\$3bobo17bo17bo18bo19bo2bo16bo3b2o14bobo20b2o15b5o
57bo20b2o15bo2b2o18bo19bo17b2o20bo16b2obo16b4o16bobo18b2o20bo19bo
16bo5b2o12bo22bo17bobo17bo3b2o15bo19b2o16b2o18b2o19b2o17bobo20bo
19bo18bo17b2o18bo19bo21bo\$4bo18b2o15bo19b2o19b2o20bo2bo13b2o43bo
36b2o16bobo37bobo2bo14b2ob2o19bo15bo2bo16b3o17bob2o16bo19b2o19bo
20b2o18b2o17b3obobo13bo18b2obo16bobo18bobo2bo13bo39bo19bo20bo18b2o
21b2o17b2o19bo4bo32bo19bo20bo\$40b2o62bobo55b3o37b2o16b2o39bo2bobo
14bobo19b2o16bobo16bo40bo40bo60b2o15b2o18bobo18bo18b2ob2o15b2o39bo
19bo20bo81bo2bobo32bo17b2o18b2o\$105bo56bo102bo15bobo38bo59bo38b2o
197b2o18b2o19b2o82bo2bo32b2o37bo\$282bo98b2o363b2o73bo\$822bo\$821b2o
9\$bobo16bo2bo21b2o13b2o22bo17bo17b2o21b2o15b2o2b2o14b2o2b2o16bo21b
2o14b2o21bo19b2o16b2o20b2o16b2o18bo23b2o18bo15bo22b2obo17b2o17bo
17b2o17b2o22b2o14b2o19bo18bo3b2o16b2o15bo3b2o14b2o2b2o17b2o15b2ob
2o18b2o17b2o20bo17bo20bo20b2o\$ob2o16b6o18bo2bo12bo2b2o17b3o16bobo
16bo2b2o17bo2bo14bo2bo2bo13bo2bo2bo14bobo21bo14bo20b3o2bo17bo2b2o
11bo2bo18bobo15bo2bobo14bobo18b2o3bo17bobo13bobo2b2o14bo2bob2o12b
2o2bobo16bobo14bo2bo17bo19b2o3bo15bo18bobo2b2o12bobo2bo14b2o2bo15b
3o2bo14bo3bobo14b3obo15bobo2bo15bo2bo15bo2bo18bobo15bobo16bobobo
19bobo\$o3b2o20bo14bo2bobo14bobo17bo19bo2bo16b3o2bo15bobobo14bob3o
15bobob2o14bo2bo18bo18bo17bo3b3o17bobobo12bob3o15bo19b2ob2o14bo2bo
2b2o13bo2bo18bobobo13bobo2bo13bobobo15bo3bo18bo2bo13b3o19bo18bo2bo
16bo19bo2bo2bo13b2o3bo14bobo19b2o17bobobo13bo5bo13bo4b2o14bo2bobo
13bo2bobo16bo2bo16bo17b2obo23bo\$b2obobo15b4o14bobob2o14b2obobo15b
2o19b2obo19b2o14b2o2bo16bo19bobo15b2ob2o16b4o16b2o18b2o19bobo2bo
12b2o4bo14bob4o15bo18b2obo2bo15b3o17bobobo15b2o16bo2bob2o14bob2o
15b2o2b2o16b3o17bo18bob2o15b2o19bob2o17b4o14bob4o15bo18b2o2bo15bo
5bo13b2o17bo4bo14bob2o2bo14bo3b2o36bobo19b2o\$3bo2bo13bo2bo17bobo
18bob2o18bo19bo18b2o15bo2b2o18bo20bo17bo17bo19bo22b2o16bob2o16bo3b
2o15bo3bo15bo19bob2o35b2o3bo15bo21b2obo13b2o17bo19b2o3bo16b2o19bo
18bo18b2o20bo18bo3bo15bo19bo19bo3b2o15bo17b4o16bo2bobo13bo19b5o15b
2o2b2o18bo\$3bobo14b2o21bo18bo17bob2obo14b4o20bo15bobo17b3o20bo18bo
17b3o17bo22bo17bo18bo22bo19b2o15bo20b3o16bo22b2o37bo17bo19bo20bo2b
2o15bobo17bo20bo21bo18bo19b2o16bo21bobo14bobo19bo20bobo14b4o16bo2b
obo14bo23bo\$4bo37bo18b2o17b2obobo14bo22bo17b2o17bo22b2o15b2o21bo
17b2o3b2o16bo15b2o18b2o18b3o21bo15b2o18bo2bo17bobo20bo35bo20b2o19b
o17bobobo15bobo18bobob2o13bo22b2o17b2o20bo16b2o21b2o14b2o18bo23bo
18bo21bo16bo19b2o\$42b2o40bo16bo21b2o75bo19b3o20bobobo15b2o55bo22bo
37b2o19b2o18bo37b2o20bo18b2o18bo2bo15b2o18b2ob2obo13b2o61bo76b2o
40bo21bo16b2o19bo\$100b2o99bo18bo22b2o98b2o77b2o57bo42b2o117b2o117b
2o19bo39bo\$200b2o279b2o300b2o35b3o\$820bo10\$4b2o19b2o16b2o16b2o20bo
18b2o19bo19bo16b2o4b2o12b2o24bo16bo18b2o20b2o16b2o21b2o16b2o21bo
17bo17bo22b2o14bo20bo22bo20bo15b2o17b2o20bo18b2o18bo18b2o2b2o13b2o
3b2o13bo19b2obob2o16bob2o16b2ob2o15b2o19b2o18bo16b2o18bo\$2obobo18b
o2bo14bo2bo15bo19b3o19bo17b3o19b3o14bobo3bobo11bo4b2o18bobo14bobo
15bo2bo16b2o3bo16bo3b2o16bobo15bo2bo14b2o3bobo12b2obobo15bobo18b2o
2bo13bobo2b2o14bobob2o13b2o2bobo17b3o15bo2bo15bo20bobobo15bo2b2o
14bobo16bo2bo2bo13bo2bo2bo13b3o17bob3obo14b3obo14b2o2bobo16bo17b2o
2bo17bobo14bo2bobo14bobo2b2o\$bobo18bo2bobo14bobobo16bob2o13bo3b2o
15bo2b2o14bo20b2o3bo14bo2b2o2bo13bo3bo17bobo16bobo14b3o17bo2bo20bo
2bo14b3o16bobo2bo14bo3bo2bo11bob2o2bo14bo2bo18bobo15bobo2bo13bo2b
2obo13bo3bobo16bo19b2obo15bo19bob2obo15bobobo13bo2bob2o13bob3o16b
2obo17bo36bo5bo13bob2o3bo13b2o2bo14bo2b2o18bo2bo14bob2obo13bo2bo2b
o\$bo2b4o14b2ob2o14b2obo2bo14b3obo13bob2o2bo14b2obo2bo13b5o15bo2b2o
16b2obobo13b5o15bo2bo16bobo2bo16b3o16b3o17bob2o15bo3bo15bo2b2o15bo
b2obobo15b2o16b2obo17bob2o16b2o16b2o19bob2o15bo2bo15b3o2bo17bo17b
2o4bo14b2o2bo15bob2obo14bo20bob2o15bo21b2o15bo5bo16b2obo12bo2b3o
14bobo2b3o13b2o2b2o15bo3bo14bob2o\$2bobo2bo15bo16bo2bo2b2o33bo2bobo
15bo3b2o17bo16b2o22bo33bobob2o14bobob2o14b2o3bo35bobo16bob3o17b2o
18bobob2o13b2o21bo16b2o19bo21b2o15b2o17bob3o15bo2b2o17b2o18bo4b2o
12bo2b2o15b2o20bo18bo19b2o17bobobo16bob3o17bobo14b2o18bobo3bo12bo
19bobo3b2o12b2o\$3bo17bobo16b2o18b3o20bobo14bobo20b2o18bo39bo17bobo
16bo2bo16bo19b3o17bo2bo17bo21bo37bo20b2o16bo22b2o20bo16bo18bo20bo
18bo2b2o14bo19bobo19bo17b3o18bo22bo16b2o20b2o38bo18bo17bo19b2o19bo
\$20bobo37bo2bo20bo15b2o21bo16b3o39bobo18bo17bobo17bo18bo2bo16bobo
19bo17b3o39bo19bo18bobo20bo18bo17bo20bo18b2o17bobobo15b2o19bo18bo
19bo20b2o21bo75bobo38b2o37bo\$21bo40b2o60bo15bo41b2o18bo19bo17b2o
20b2o17bo19b2o17bo40b2o20bo18b2o19bo19b2o16b2o17bobo38bo2bo55b2o
63b2o73b2o40bo37b2o\$123b2o77b2o176b3o40b2o55b2o40b2o122bo113bo\$
380bo262b3o114b2o\$643bo10\$2obo16b2o4bo15b2o21b2o15bo2b2o13b2o18b2o
23bo14b2o18b2o2b2o15bo22b2o19bo16b2o21b2o16bo17b2o18b2o19b2o19bo2b
2o16bo16bo24b2o15bo19b2o19b2o15b2o2b2o16b2o20bo20bo14bo4b2o12b2o
18b2o3b2o13bo3b2o17bo20b2o18b2o16bo22b2o13b2o19bo\$ob2o16bobo2bobo
13bo2bo17bobobo14bobo2bo13bo2b2o15bo2b2o18b3o14bobo3b2o12bo3bo15bo
bob2o15b2o2bo18bobo14bo2bo21bo13bobobo17bo17bo2bo17bo2bo17bobo2bo
15bobo14bobo18bo3bobo14bobo17bo2bo17bo2bo14bobo2bo15bobo19bobo18bo
bo12bobo4bo12bo2bob2o13bo2bo2bo13b3o2bo15b3o2b2o12b2o3bo16bo2bo15b
obo21bo14bobo17bobo\$4b2o15bo2bobobo13bob3o14bob2o15bo2b3o15b2obo
16bobobo16bo3b2o14bo3bo15bobobo14b2obobo14bob2o17bo2bo15bobobo17b
3o14b2obobo15bo19b2obo15bo2bobo16bobobo15bobo16bobo16bobo2bo15bo2b
o18bo2bo16bobo17b2o17bobob2o15bobo18bobo14bo3bo16b2obo15bob3o17b2o
15bo5bo13bo2bo18b2o16bobobo18bobo17bo16bo2bob2o\$b3o2bo15b2o2bobo
12b2o4bo13bo3bo15b2o19bo17b2obobo17b2o2bo13b2obobo14b2o2b2o16bo2bo
16bo18b2obobo12b2o2bo18bo19bobo15b4o18bo16b2obo2bo14b2o2bo16bobobo
16bo2bo14bo2b2o14bob2o17bob2obo15b2o2b3o13bo18b2o2bobo15bobobo13bo
2bo17b5o16bo2bo15bo19bo2b3o13bo5bo14b3o15b2o18bobo2bo15b4o16b2o18b
ob2obo\$o4b2o19b2o14bo3b2o14b3o18bo18bo19bobo16bobob2o16bobo16bo17b
obo3b2o15bo19bo2b2o14b2o17b2o17b2o2bo20bo15b2o19bob2o16bo18b2o2bob
o14bob3o15b2o17bo18bobo2bo17bo4bo13bo19bo18b2o3b2o13b3obo36bo2b2o
16bo17bobo3bo14bo3b2o33bo19bob2o15bo19bo19b2o\$2o38bo19bobo17bobo
20b2o17bo17bobo20bo17bo18b2o19b2o18bobo18bo17bo19bo20b4o15bo21bo
18bo20bo3bo16bo19bo18b4o14bo2bo16b3o17b2o19bo18bo23bo19bo16bo18b3o
19bo20bobo14b3o17bo21bo17b3o17bob3o16bo\$40b2o18b2o18b2o22bo16b2o
18bo20b2o17b2o37bo19bobo17bobo18b2o19bo19bo18b2o18b2o17bo19bo23bo
17bo21bo16b2o17bo19bo19bo20bobo19bo19bobo15b2o17bo43b2o14bo2bo16bo
bo17bobo20bo17bobo16bo\$104bobo114bobo17bo18b2o21bo17b2o17bo21bo37b
2o18b2o20bobo17b2o22bo55bo17b2o20b2o16bobo21bo96b2o18bobo16b2o20bo
22bo14b2o\$105b2o115b2o56bobo37b2o18bo81b2o41b2o54b2o57b2o141bo38b
2o20b2o\$280b2o58b2o381b2o11\$2bo18b2obo17b2o18b2o20b2o16b2o16b2o19b
2o17b2o21b2o18b2o18bo18bo20b2o16b2o23b2o14b2o17bo20bo20b2o16b2o17b
2obo20b2o15b2o2b2o17bo19b2o15b2o2b2o14b2o21bo19bo16bo18b2o2b2o14b
2o2bo15b2o24bo15b2o18bo19bo22b2o13b2o21bo2b2o\$bobo16bob2obo15bobo
17bo2bobo16bobo15bobo17bo2bo16bo18bo2b2o15b2o2bo15bo2bobo16bobo16b
obo18bo2bo15bo21b2o2bo14bo17bobob2o15bobo20bo17bo17bob4o15bo2bo15b
o2bo2bo16bobo17bobo15bobo2bo15bo2bo17bobo17bobo14bobo4b2o11bo2bo2b
o13bo2bobo14bo20b2o2bobo12bo2bo17bobobo15bobo21bo14bobo19bobo2bo\$
2bobo15bo4bo15bo2b2o14bo2bob2o14b3o16bo2bob2o14bobobob2o14bo17b2o
2bo14bob2o16b3o2bo15bo2bo17bo2bo15bo2bobo16bo20bobo16bo17b2obo15bo
bo2b2o14b3o18bob2o20bo13bobobo16bobobo16bobobo16bobobo15b2o17bobob
o15bobobo15bo2bo15bo2bo2bo14b2obo15bobo2bo14bo18bo2bo2bo13b2obob2o
14bob2obo13bobobo18bobo17bo18bobobo\$4bo16b4o17bobo15b2obo16bo3bo
16b3obo16b2obobo2bo11b2o19bobo16bo20b2o16b2ob2o17b2obo13bo4bo16b2o
20bob2o14b2o21bo14bo2b2obo14bo2b3o16bobo18bo2bo13bo2b2o14b2o2bo17b
obobo15b2o2bobo13bo18b2o2bo16bobobo14bo3bob2o13b2obobo15bob2o15bob
2o16bo18bo2b2o16bobobo13b2o4bo13bobo2bo15b4o16b2o17b2o3bo\$3bo18bo
18b2obo18bo17b2obo21bo19bo2b2o10bo19b2obo17bo17b2o20bo22bo15b4o16b
o20b2o17bo19b4o16b2o2bo17bo2bo14bobo19bob2o15b2o17bo18b2o3bo17bo3b
o14bo19bo18b2o2bo15b2o3bobo15bobo15bo20bo17b2o19b2o18bo18bo4b2o13b
ob3o14bo19bo19bo\$3b2o15bo22bo16b3o20bo19b3o35bo18bo2bo16b2o18bo21b
o18b3o37bo20bo18bo20bo20bo17bobo16bobobo18bo19bo16bo19bo19b3o17b2o
19bo20bo19bo21bo16bo19bobo16bo2b2o18bo19bo16bo21bo18b2o17bo20bo\$b
2o2bo14b2o18bobo17bo19bobo20bo36b2ob2o16b2o17bo20bo18b2o18bo2b2o
16b2o17b2obo16bobo17b2ob2o15bo22b2o15bobo17bo2bo18b2o16b3o17b2o19b
3o16bo19bo19bo20bo18bo22b2o16b2o18b2o17bobo2bo16bo21bo15b2o21bo19b
o17b2o2b2o15bo\$o2b2o35b2o38b2o61bobo35bo18b2o18bo19b2o19b2o19bobo
15b2o21bobo14b2o39bo19b2o37bo42bo37bo18bobo17bo19b2o79bo2bo17b2o
19b2o37b2o16bobo20bo2bo14b2o\$2o141bobo36bo39bo59bo2bo37bobo194b2o
19b2o17b2o100b2o96b2o21b2o\$144bo36b2o38b2o60b2o39bo!``````
Each of them has 45 or fewer C1 soups on Catagolue.

Edit: Now down to 405 (the first 12 of these have been taken out) and 35 or fewer C1 soups.
Princess of Science, Parcly Taxel

Freywa
Posts: 718
Joined: June 23rd, 2011, 3:20 am
Location: Singapore
Contact:

### Re: 17 in 17: Efficient 17-bit synthesis project

After the new transfer utility operated on the set of strict still lifes, 359 xs17s remain:

Code: Select all

``````x = 368, y = 370, rule = B3/S23
2bo18b2o18b2o24b2o11b2o2bo3bo11b2obob2o19b2o13b2o18bo23b2o15bo17b2o24b
2o18b2o15b2o15bo3b2o18b2o18b2o14b2o\$bobo16bo2bo18bo2b2o13b2o4bobo11bo
2bobobobo10bob2obo2bo12b2o3bo14bo18bobo19b2o2bo14bobob2o13bo2bobo16b2o
2bo15b2o2bo13b2o2bo15b3o2bo14b2o3bo15b2o2bo14bobo\$2bobo15b3o19bobobo
14bo2b3o15b2obobo2bo13bo2b2o12bo2bobo15bo17bo2bo2b2o15bobo14bo2b2obo
14bob2obo14bo2bobo14bo2bobo14bobo19b2o15bo2bo16bo2b2o18bo\$4bo18b3o14b
2o2bo16bobo3bo18bo2b2o10b3o18b2obo15b2o2bo15b2obo2bo15bob2o14b2o19bo3b
o15bob2o16bob2o15bob4o15bo2b3o14b3o15bobo2b3o13b2o\$3bo16b2o3bo15bob2o
17b2o2b2o33bo21bo19b3o16bob2o15b2o21b2o14bobo3b2o15bo17b2o19bo3bo14bob
o3bo33bobo3bo12bo\$3b2o15bo20bo79bobo17b2o17bo19bo24bo14b2o19bobo18bo
20bo18bo17b3o19bo17bo\$b2o2bo16bo17b2o78bobo17bo2bo16b2o19bobo19bo36bob
o17bo21b2o36bo2bo37b2o2b2o\$o2b2o16b2o98bo19bobo38b2o19b2o36bo18b2o59b
2o40bo2bo\$2o140bo220b2o12\$2b2o19bobo20bo13b2o20b2o2b2o15bo2bo16b2o18b
2o19bo19bo21b2o12b2o22b2o16bo17b2o3b2o13b2o20b2o18bo17b2o\$2bobo17bob2o
19bobo12bo2b2o16bo2bo2bo13b6o17bo2b2o13bobo15b2obobo17bobo15bo3bobo12b
o3b2o16bo2bo15bobo2b2o12bo2bo2bo13bo19bo2bo17bobo16bobo\$4b3o15bo17b2o
3bobo13bobobo14bobobobo13bo23bobobo12bo18bob2o2bo15bobo15bobo2bo16bo2b
o15bob2o16bo2bo2bo14b2obo15bo18b2obob2o13bobobo18bo\$3bo3bo12bobob2o14b
o2bob2o15bo3bo14bo2bob2o13b2o2b2o15bobo2bo13bob4o17b2o16bobobo14bo2b2o
15b2obo17bo2b3o14bob2o17bob2o15bo19bobobo13bobo2bo15b2o\$b3o2b2o12b2obo
bo16b2o19b3o16b2o19bo2bo14bob2o17bo3bo14b2o18b2o2bobo14b2o16bo3b2o17bo
3bo13b2o19bo18b2o19bo18bob2o15bo\$o22bo19bo17bobo39b2o16bo21bo17bo20bo
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2bo15bo2bo14bo5bo13bo3b3o15bobobo16bo\$3bo17b2obo2bo13b2o2bo16bobo16b2o
b2o15b2o2bo16b2obo15b2ob2o15b2o19bob3o14b2o2b2o15bo19b2o19b4o14b2obo
16b2o3b2o12b4o2bo15bobobo17bo\$b2o19bo3b2o12bo2b2o19bo17bo17bobob2o17bo
19bobo17bo19bo16bo21bo18bo20bo20bo18bo20bo16b2o3bo17b2o\$o19bobo17bobo
20bo18bo17bo2bo17bobo17b2o20bo20bo15bo19b2o18bo2b3o17b2o16b2o18bo20bo
17bo21bo\$b2o17b2o19b2o20b2o15b2o19bobo16bobo18bo18b2ob2o18b2o16b2o17bo
20b2obo19bo16bo19b2o18bo19bo20bo\$2bo77bo21bo17b2o21bo16bo2bo38bo18bo
24bo15bo19bo38b2o19bo17b2o\$o81bo59b2o17bobo37bo18b2o23b2o15b2o17b2o58b
2o17bo\$2o79b2o79bo38b2o158bo\$362bo\$361b2o9\$2b2ob2o13b2o21bo19bo17b2o
20b2o20b2o13b2o20b2ob2o13b2o2bo18b2o16b2o18b2o18bo18b2o18b2o3bo15b2o
21bo19b2o\$3bobo14bo2b2o18b3o16bobo15bo2bob2o13bo2bobo15b2o3bo13bobo20b
obo14bo2bobo16bo2bo15bobob2o14bo18bobo17bobo18bo2bobo15bo20bobo18bobo\$
3o3bo14b2obo16b2o3bo15bob3o14bob2obo13b3o2bo15bo2bo18bo2b2o14bo3bo14b
2obo18bo2bo16b2obo16bo17bobo2bo15bo17bo3bobo13bo21bobo22bo\$o2b3o16bo
18bo2b2o14b2o5bo14bo20b2o18b3o15b2obo2bo15b2obo15bo18bob2obo15bo19b2o
19b4o14b2ob2o15b3obo14b2o20bobobo18b2o\$bobo18bo19b2o16bo5b2o16b2o14b2o
40bob2o15bobobo16bo17bobo2bo16bo18bo20bo20bobo18bo17bo17b2o3b2o17bo\$2b
o20b2o18bo17bo23bo14bo20b3o16bo19bobo17b2o18bo2bo16b2o19bo21b2o16b2o
20bo18bo17bo23bo\$24bo15b3o19bo20bo18bo17bo2bo16b2o19bo18bo20b2o17bo21b
2obo18bo16bo21b2o18b2o16bo20b2o\$24bobo13bo20b2o20b2o16b2o17b2o59bo40bo
17bobob2o17bo18bo42bo16bo19bo\$25b2o153b2o39b2o17b2o21b2o16b2o40b2o16b
2o20bo\$323bo36b3o\$324bo35bo\$323b2o9\$2o20b2o21bo17b2o15bo2bo20b2o16bo
19b2o19bobo14b2o2b2o18bo16b2o18b2o18bo18b2o2b2o14b2ob2o17bo18b2o19b2o\$
o2b2o16bobo19b3o16bobo15b6o17bo2bo14bobo17bobo18bob2o14bo3bobo16bobo
15bobob2o14bo18bobo17bo3bobo14bobo2bo14bobo16bo2bobo15bo2bobo\$bobo16bo
2bob2o15bo3b2o14bobobo19bo15bob2obo13bo2bobo13bo21bo19bobobo15bobobo
16b2obo16bo17bobo2b2o14bobobo13bo4b2o13bobo18bob2obo13bo2bob2o\$2obobo
15b3obo17b2o2bo13b2o2bobo14b4o16bo2bobo14b2ob2o14b2o20b2obo14b2o2bo16b
obobo15bo19b2o19bo3bo13b2o2bo15b2o17bo21bo3bo13b2obo\$2bob2o20bo14bobob
2o15bo3bo16bo19bo2bo16bo19bo17bobob2o15bo17b2o3bo16bo18bo20bob3o15bo
20bo17bo18bobo3b2o15bo\$2bo20b3o14bobo18bo19bo18b3o18bobo19bo16bobo17bo
19bo19b2o19bo21bo17bo18bobo19bo17b2o18b3o\$b2o20bo17bo18bo20b2o17bo19bo
bo19b2obo14b2o18b2o19b3o16bo21b2o20bo16b2o17b2o21bo4bo31bo\$60b2o58b2o
22bobo56bo17bo18bobo2bo17b2o59bo2bobo\$144bobo73b2o18b2o2b2o79bo2bo\$
145bo180b2o11\$23bo17b2o19b2obo14b2o19b2o22bo16b2o21bo18b2obo16b2o15b2o
b2o15b2obo16b2o17b2obob2o16b2ob2o14b2o16b2o\$22bobo16bo19bo2b2o14bo2bo
17bobo19b3o14bo2bo20bobo14bo2bob2o15bobo15bob2o16bob2o15bo2bobo14bob3o
bo13b2o2bobo14bo2bo15bobo\$21bobobo17bo18bo18b2obo19bo17bo17b2o2b2o17bo
bobo12bobobo17bo2bobo18bo34b2ob2o34bob2o3bo12bo2bobo17bo\$20bo2bobo16b
2o17b2ob2o16bo2bo19bo15bo2b2o20bo16bobobo13bo2bob2o14b2o2b2o14b2ob2o
15b5o15bo21b2o18b2obo12bob2o2bo14b2o\$21b2obo16bo21bobo16bob2o16b4o16b
2obo18b2o15b2o3bo17b2obo12b2o20bo18bobo2bo15bo18bobobo18bobo14bo2bobo
13bo\$22bo18bo18bobo20bo18bo20bo16b2obo16bo40bo18bobo18bo18b2o19b2o40bo
bo14bob3o\$20bobo17b2ob2o15b2o19bobo19bo17bobo16bob2o17bobo36bo19b2o18b
2o18bo63bo16bobo\$20b2o21bobo35b2o18bobo16bobo39b2o36b2o59bo83bo\$43bobo
54bobo18bo138b2o82b2o\$44bo56bo!``````
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dani
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### Re: 17 in 17: Efficient 17-bit synthesis project

This still life is made in 17 gliders but it seems like it could be done in just a few based on the soups.
she/her

dvgrn
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### Re: 17 in 17: Efficient 17-bit synthesis project

danny wrote:This still life is made in 17 gliders but it seems like it could be done in just a few based on the soups.
Do you mean "based on the number of soups", or did you actually see some promising ones? From a quick scan yesterday it seemed to me that there was a reason there were no C1 soups -- there's a symmetrical-corner effect that produces these things very easily, when eight consecutive cells are ON at the corner for example. But that doesn't help much with a synthesis, I don't think:

Code: Select all

``````x = 12, y = 12, rule = B3/S23
bo2b2obo\$o\$3bobobo\$bo6bo\$2obo2bo2bobo\$3o2bobo\$3o3bo2bobo\$2obo7bo\$o3bo
2bobo\$o4b2o\$2o2b5o2bo\$8o2bo!``````
I just rechecked the first few soups from each symmetry, and the still life always appears within the first dozen ticks or so. There are some more interesting cases where the still life doesn't show up at the edge, and/or gets converted from something else --

Code: Select all

``````#C https://catagolue.appspot.com/hashsoup/D4_x1/m_CHQkV4EusdXa426626/b3s23
x = 31, y = 31, rule = B3/S23
o2bob2obo4bo4bob4o2bob3o\$3bobobo3b3ob3o7b2o3bo\$2b2ob2o2bo2bo2bob3o3bob
2obobo\$3o2bo8b5ob4ob2o\$5bo2b2o2bob3o3bob3o2b4o\$5o5b2o2b5obobo4b3o\$obo
4bobobo2b3obo2b2o3bo\$bo4bob9ob4o4b3obo\$o3bo2b7obob6ob4o2bo\$2bobob4ob2o
bobo2b6o2bo2bo\$5bob2obo2bobo3b5ob3o2bo\$bo3b5o2b2obob2ob4o4bo\$b2obo2b3o
b2o2b2ob2o2b4ob2obo\$2o5b2ob2o2b3o2bo2bo2bob3o\$3b5obo3b6o2bob5obo\$b8ob
11ob8o\$bob5obo2b6o3bob5o\$b3obo2bo2bo2b3o2b2ob2o5b2o\$ob2ob4o2b2ob2o2b2o
b3o2bob2o\$2bo4b4ob2obob2o2b5o3bo\$o2b3ob5o3bobo2bob2obo\$o2bo2b6o2bobob
2ob4obobo\$o2b4ob6obob7o2bo3bo\$ob3o4b4ob9obo4bo\$4bo3b2o2bob3o2bobobo4bo
bo\$b3o4bobob5o2b2o5b5o\$4o2b3obo3b3obo2b2o2bo\$4b2ob4ob5o8bo2b3o\$obob2ob
o3b3obo2bo2bo2b2ob2o\$o3b2o7b3ob3o3bobobo\$3obo2b4obo4bo4bob2obo2bo!
``````
-- but the base still life is still always showing up too early for the soup to suggest a synthesis (to me at least).

My Turn To Try To Pawn Off Some Work On Someone Else
Here's a problem that might be more tractable, but I don't have an immediate solution for it. The spark I want doesn't seem to be in Extrementhusiast's components collection.

xs17_4alhe0db is one of those loopy SLs that doesn't look to me like it ought to be a still life at all. It has just a few soups on Catagolue, but the seventh C1 one (and a couple of the others) suggest this synthesis:

Code: Select all

``````x = 11, y = 16, rule = B3/S23
2o\$obo3b2o\$obo2bo2bo\$obo3bobo\$2o5bo3\$7b2o\$6bo2bo\$6b2ob2o\$7bobo\$9bo\$6bo
bo\$b2o\$obo\$2bo!``````
The D-shaped thing to the west has lots of three-glider recipes. So does the spark to the south, or its three-ticks-later descendant anyway. But I think all of those recipes make the spark in the same way, with a domino spark too far to the north a couple of ticks before the spark appears. I don't think the loaf can get there in time after the domino disappears, so a more expensive 2bo\$b3o\$4o\$o! spark maker is needed that pushes the spark northward at the end.

These are obviously possible, since a couple of the known soups have them. Does anyone have a recipe lying around already, or is it time for a little gencols searching?

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### Re: 17 in 17: Efficient 17-bit synthesis project

dvgrn wrote:xs17_4alhe0db is one of those loopy SLs that doesn't look to me like it ought to be a still life at all. It has just a few soups on Catagolue, but the seventh C1 one (and a couple of the others) suggest this synthesis:

Code: Select all

``rle``
...
Wait, I thought I submitted a synthesis using this exact reaction!
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dvgrn
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### Re: 17 in 17: Efficient 17-bit synthesis project

BlinkerSpawn wrote:Wait, I thought I submitted a synthesis using this exact reaction!
Well, probably you did then. When was that? Maybe it got stuck in the unprocessables list somehow...

Let's see, how does one go and look at the current unprocessables list again? I just spent a quarter hour looking for where I remember this detail getting mentioned, but it seems my search skills are currently inadequate. Information may want to be free, but it also likes to hide a lot of the time.

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### Re: 17 in 17: Efficient 17-bit synthesis project

dvgrn wrote:
BlinkerSpawn wrote:Wait, I thought I submitted a synthesis using this exact reaction!
Well, probably you did then. When was that? Maybe it got stuck in the unprocessables list somehow...

Let's see, how does one go and look at the current unprocessables list again? I just spent a quarter hour looking for where I remember this detail getting mentioned, but it seems my search skills are currently inadequate. Information may want to be free, but it also likes to hide a lot of the time.
I'm fairly certain I submitted it on May 2nd and left in a waste blinker that Shinjuku didn't notice.
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dvgrn
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### Re: 17 in 17: Efficient 17-bit synthesis project

BlinkerSpawn wrote:I'm fairly certain I submitted it on May 2nd and left in a waste blinker that Shinjuku didn't notice.
Seems like it should be findable then -- maybe in the list of p2 constellations somewhere? I didn't see it, though. Do you happen to remember how many gliders it took to make xs17_4alhe0db + blinker?

While I was looking through the p2 constellation list, I found a couple more of those overpriced constellations that creep into the system somehow or other due to failed attempts to build something else. They're relatively rare, but it might be worth investigating what was supposed to be built here: xp2_ws01110szoow222zzy4ccw256 and xp2_y033zo8y466zw23

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### Re: 17 in 17: Efficient 17-bit synthesis project

dvgrn wrote:
BlinkerSpawn wrote:I'm fairly certain I submitted it on May 2nd and left in a waste blinker that Shinjuku didn't notice.
Seems like it should be findable then -- maybe in the list of p2 constellations somewhere? I didn't see it, though. Do you happen to remember how many gliders it took to make xs17_4alhe0db + blinker?

While I was looking through the p2 constellation list, I found a couple more of those overpriced constellations that creep into the system somehow or other due to failed attempts to build something else. They're relatively rare, but it might be worth investigating what was supposed to be built here: xp2_ws01110szoow222zzy4ccw256 and xp2_y033zo8y466zw23
Found it!
Yeah, there's a bunch of weird constellations in there; one I saw was just a pi explosion with two extra blocks and a mango. I presume the vast majority of them are regular syntheses but with the final cleanup steps omitted.
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Freywa
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### Re: 17 in 17: Efficient 17-bit synthesis project

xs17_ci52zw1248gka4 in 14 gliders, with the critical step taken from the line-mending reaction:

Code: Select all

``````x = 96, y = 16, rule = B3/S23
42bo\$40bobo\$4bo36b2o\$4bobo38bobo\$o3b2o39b2o2b3o36bo\$b2o43bo2bo37bobo\$
2o39b2o7bo35bobo\$40bobo43bo\$40bo37bo6b2o\$39b2o38b2o\$3b2o4bo68b2o8b2o4b
o\$3bobo2bobo31b2o4bo39bobo2bobo\$6bo2bo32bobo2bobo25b2o14bo2bo\$7b2o36bo
2bo27b2o4b2o8b2o\$46b2o27bo7b2o\$82bo!``````
What other such efficient syntheses that glue two separate objects together like this are there?
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Goldtiger997
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### Re: 17 in 17: Efficient 17-bit synthesis project

Over on the discord there has been efforts to reduce the last three 17-bit still-lifes to cost less than 2 gliders per bit (i.e. less than 34 gliders), but we haven't had any success yet. The best idea so far is this one from Kazyan, where
the red cells (or a similar pre-block inserter) have to be turned on at generation 17:

Code: Select all

``````x = 73, y = 29, rule = LifeHistory
5.A.A4.A32.A.A4.A\$6.2A5.2A31.2A5.2A\$6.A5.2A32.A5.2A\$20.A39.A\$20.A.A
37.A.A\$10.A9.2A28.A9.2A\$11.A39.A\$9.3A37.3A3\$19.2A2.D.D33.2A2.D.D\$17.
3A.A.D.D31.3A.A.D.D\$16.A4.A.D32.A4.A.D\$16.A.3A3.D31.A.3A3.D\$17.2A4.A
33.2A\$7.2A13.A.A22.2A14.A\$6.A.A8.2A3.2A22.A.A8.2A3.A.A\$8.A8.A30.A8.A
4.A2.A\$18.A39.A4.2A\$17.2A38.2A2\$70.2A\$70.A.A\$2A23.3A12.2A17.2A9.A\$.2A
21.A2.A13.2A17.2A\$A26.A12.A18.A\$27.A40.2A\$24.A.A40.2A\$69.A!``````
I suspect that there is a 4 or even 3 glider method of inserting that pre-block, but the tools I have are not very well equipped to find things like edgy pre-block inserters. I have found a 3 glider collision that inserts the pre-block but unfortunately it interferes with the glider that comes from the northeast. Here's a pattern with my 3-glider collision. To make it work the red cells (or something equivalent) need to be turned on at generation 19:

Code: Select all

``````x = 33, y = 34, rule = LifeHistory
5.A.A\$6.2A\$6.A\$26.A\$25.A4.3A\$10.A14.3A2.A\$11.A8.D10.A\$9.3A7.2D6.A\$21.
D5.2A\$19.2D5.A.A\$20.D2\$21.2A\$19.3A.A\$18.A4.A\$18.A.3A\$19.2A4.A\$24.A.A\$
19.2A3.2A\$7.2A10.A\$6.A.A11.A\$8.A10.2A6\$2A\$.2A\$A26.3A\$26.A2.A\$29.A\$29.
A\$26.A.A!``````
Here's a variant of Kazyan's method, which requires modifying the spark generating reaction in the south east so that it also turns the red cells on in generation 9:

Code: Select all

``````x = 29, y = 25, rule = LifeHistory
5.A.A4.A\$6.2A5.2A\$6.A5.2A\$16.A\$16.A.A\$10.A5.2A\$11.A\$9.3A14.2A\$17.2A3.
2A.A\$15.3A.A2.2A2.A.A\$14.A4.A7.A\$7.2A5.A.3A\$6.A.A6.2A6.2D\$8.A12.A\$15.
18.A\$24.2A\$23.2A\$25.A!``````
Does anyone have any ideas?

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### Re: 17 in 17: Efficient 17-bit synthesis project

Very sneaky synthesis:

Code: Select all

``````x = 95, y = 39, rule = B3/S23
21bo\$19b2o\$20b2o10\$28bo\$28bobo\$28b2o2\$84b2o2bo\$84bo2bobo\$bo83b3o2bo\$o
87b2o\$3o84bo\$88bobo\$89b2o\$b3o20bo\$bo21bobo\$2bo21bo65b2o\$90b2o2\$92b3o\$
92bo\$93bo6\$26b2o\$25b2o\$27bo!``````
It originally came from a soup for which I was initially unable to reduce the top part to something manageable:

Code: Select all

``````x = 25, y = 39, rule = B3/S23
18b2o2\$19bobo\$18bo\$17bo\$16bobo\$16bo\$17bo4\$16b2o\$8bo6bo2bo\$8bo6bobo\$8bo
5bo2bo5b2o\$15b2o6b2o2\$5b3o\$8bo\$4bobobo\$3bobo\$7bobo\$b2o7bo\$3o4bo2bo\$b2o
7bo\$2bo4bobo\$7b2o4\$3bobo\$3b2o\$4bo\$6b3o11bo\$5bo2bo10bobo\$9b2o9bo\$10bo\$
10bo\$9bo!``````
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Kazyan
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### Re: 17 in 17: Efficient 17-bit synthesis project

Goldtiger997 wrote:Over on the discord there has been efforts to reduce the last three 17-bit still-lifes to cost less than 2 gliders per bit (i.e. less than 34 gliders), but we haven't had any success yet. [discussion thereof]
I've managed to get something working:

Code: Select all

``````x = 52, y = 50, rule = B3/S23
49bo\$49bobo\$49b2o6\$39bobo\$39b2o\$40bo3\$40bo\$39bo\$33bobo3b3o\$36bo\$36bo\$
33bo2bo\$34b3o\$2bo11bo5bo\$obo9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o\$29b2o\$16b
obo23bo\$17b2o21b2o\$17bo23b2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2bo\$24bo4bo
4b2o\$24bob3o\$25b2o\$31bo\$14b2o9b2o3bobo10b2o\$15b2o8bo4bo2bo9bobo\$14bo
11bo4b2o10bo\$25b2o5\$26b3o\$28bo19b2o\$27bo9bo10bobo\$36b2o10bo\$36bobo!``````
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toroidalet
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### Re: 17 in 17: Efficient 17-bit synthesis project

1 fewer glider:

Code: Select all

``````x = 51, y = 38, rule = B3/S23
49bo\$40bo7bo\$39bo8b3o\$33bobo3b3o\$36bo\$36bo\$33bo2bo\$34b3o\$2bo11bo5bo\$ob
o9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o\$29b2o\$16bobo23bo\$17b2o21b2o\$17bo23b
2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2bo\$24bo4bo4b2o\$24bob3o\$25b2o\$31bo\$14b
2o9b2o3bobo10b2o\$15b2o8bo4bo2bo9bobo\$14bo11bo4b2o10bo\$25b2o5\$26b3o\$28b
o19b2o\$27bo9bo10bobo\$36b2o10bo\$36bobo!
``````
My mostly complete search of the upper-left corner found no 1G cleanup reactions for the loaf+junk, but there might be something in which 2 edgy reactions from both top corners collide and annihilate.
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### Re: 17 in 17: Efficient 17-bit synthesis project

What about something along these lines?

Code: Select all

``````x = 11, y = 18, rule = LifeHistory
\$2.A\$.2A\$.3A\$6.C2.2C\$2.A2.C.C2.C\$2.A2.C.2C\$3.A2.C\$2.A.C.C\$.A2.2C\$.A\$.
A\$5.2A\$4.2A\$6.A\$4.5A\$3.2A\$9.A!``````
The bottom block predecessor I think is equivalent to a 3G one I can't remember. The spark on the left seems trickier, but is much more flexible.
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calcyman
Posts: 2392
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### Re: 17 in 17: Efficient 17-bit synthesis project

toroidalet wrote:1 fewer glider:

Code: Select all

``````x = 51, y = 38, rule = B3/S23
49bo\$40bo7bo\$39bo8b3o\$33bobo3b3o\$36bo\$36bo\$33bo2bo\$34b3o\$2bo11bo5bo\$ob
o9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o\$29b2o\$16bobo23bo\$17b2o21b2o\$17bo23b
2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2bo\$24bo4bo4b2o\$24bob3o\$25b2o\$31bo\$14b
2o9b2o3bobo10b2o\$15b2o8bo4bo2bo9bobo\$14bo11bo4b2o10bo\$25b2o5\$26b3o\$28b
o19b2o\$27bo9bo10bobo\$36b2o10bo\$36bobo!
``````
My mostly complete search of the upper-left corner found no 1G cleanup reactions for the loaf+junk, but there might be something in which 2 edgy reactions from both top corners collide and annihilate.
This leaves only two costing >= 2 gliders per bit: xs17_03p6426z39c (with 37) and xs17_03p6413z39c (with 35):

https://catagolue.appspot.com/census/b3 ... costs/xs17

EDIT: This might be able to reduce the glider cost by using an internal glider for cleanup:

Code: Select all

``````x = 89, y = 115, rule = B3/S23
80bo\$80bobo\$80b2o\$16bobo\$17b2o\$17bo5\$5bo82bo\$6bo79b2o\$4b3o80b2o24\$42b
2o\$43bo4b2o\$42bo4bo2bo\$42b2o3bobo\$48bo\$42b2o\$41bob3o\$41bo4bo4b2o\$42b3o
bo3bo2bo\$44b2o4bo2bo\$51b2o28\$b2o\$obo4b2o75b3o\$2bo3bobo75bo\$8bo76bo\$72b
3o\$72bo\$10bo62bo\$10b2o\$9bobo5\$84bo\$83b2o\$83bobo21\$52bo\$51b3o\$51bob2o\$
52b3o\$52b2o!``````
EDIT 2: One fewer glider (so down to 34 for xs17_03p6413z39c):

Code: Select all

``````x = 107, y = 126, rule = B3/S23
106bo\$104b2o\$105b2o9\$80bo\$80bobo\$80b2o\$16bobo\$17b2o\$17bo5\$5bo82bo\$6bo
79b2o\$4b3o80b2o24\$42b2o\$43bo4b2o\$42bo4bo2bo\$42b2o3bobo\$48bo\$42b2o\$41bo
b3o\$41bo4bo4b2o\$42b3obo3bo2bo\$44b2o4bo2bo\$51b2o28\$b2o\$obo4b2o75b3o\$2bo
3bobo75bo\$8bo76bo\$72b3o\$72bo\$10bo62bo\$10b2o\$9bobo5\$84bo\$83b2o\$83bobo
14\$94b3o\$94bo\$95bo5\$52bo\$51b3o\$51bob2o\$52b3o\$52b2o!``````
EDIT 3: That annoying excess glider can't be kicked back to form one of the five inputs to the final snake-to-carrier conversion, either.
What do you do with ill crystallographers? Take them to the mono-clinic!

Goldtiger997
Posts: 642
Joined: June 21st, 2016, 8:00 am

### Re: 17 in 17: Efficient 17-bit synthesis project

calcyman wrote:EDIT 2: One fewer glider (so down to 34 for xs17_03p6413z39c):
Nice! Here's a one glider reduction by inserting the B-heptomino more cheaply, meaning that only one xs17 costs >= 2 gliders/bit:

Code: Select all

``````x = 42, y = 48, rule = B3/S23
39bo\$38bo\$38b3o5\$24bo\$20bo4b2o\$18bobo3b2o\$19b2o12bo\$9bo22bo\$10b2o20b3o
\$9b2o\$25bo\$25bobo\$7bo17b2o\$bo6bo28bo\$2bo3b3o28bobo\$3o34b2o5\$27b2o\$20b
2o4bo2bo\$18b3obo3bo2bo\$17bo4bo4b2o\$17bob3o\$18b2o\$24bo\$18b2o3bobo\$18bo
4bo2bo\$19bo4b2o\$4b2o12b2o20bo\$3bobo33b2o\$5bo33bobo3\$3o\$2bo\$bo\$16b2o\$
17b2o\$16bo\$32b3o\$32bo\$33bo!``````
This doesn't have calcyman's loaf cleanup trick though, so perhaps it can be reduced further with that.

A plausible method for reducing the last xs17 is to modify the spark inserter in the bottom right so that it works with a carrier rather than just a snake. The boat + LWSS insertion method doesn't destroy the carrier, but unfortunately it interferes with Kazyan's pre-block inserter:

Code: Select all

``````x = 52, y = 50, rule = B3/S23
49bo\$49bobo\$49b2o6\$39bobo\$39b2o\$40bo3\$40bo\$39bo\$33bobo3b3o\$36bo\$36bo\$
33bo2bo\$34b3o\$2bo11bo5bo\$obo9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o\$29b2o\$16b
obo23bo\$17b2o21b2o\$17bo23b2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2bo\$24bo4bo
4b2o\$24bob3o\$25b2o4bo\$30bobo\$14b2o9b2o3b2o11b2o\$15b2o8bo17bobo\$14bo12b
o15bo\$26b2o5\$34bo\$33b3o12b2o\$33bob2o11bobo\$34b3o11bo\$34b2o! [[ STOP 20 ]] ``````
Alternatively there's this method by Kazyan on the Discord based off Aidan's idea. Turn the red cells on at generation 27:

Code: Select all

``````x = 28, y = 42, rule = LifeHistory
12.A\$12.A.A\$A.A9.2A\$.2A13.A.A\$.A14.2A\$17.A3\$.A.A\$2.2A\$2.A3\$14.A\$13.A.
A.2A\$13.A.2A.A3.A.A\$14.A7.2A\$12.A.A8.A\$8.2D2.2A2\$12.2A\$12.2A9\$7.2A\$6.
A.A16.3A\$8.A16.A\$26.A\$21.A\$20.2A\$20.A.A3\$11.3A\$13.A\$12.A!``````

Kazyan
Posts: 1086
Joined: February 6th, 2014, 11:02 pm

### Re: 17 in 17: Efficient 17-bit synthesis project

If it has to interfere, then let it:

Code: Select all

``````x = 59, y = 51, rule = B3/S23
58bo\$56b2o\$57b2o6\$49bo\$47b2o\$48b2o2\$40bo\$39bo\$33bobo3b3o\$36bo\$36bo\$33b
o2bo9bo\$34b3o9bobo\$2bo11bo5bo25b2o\$obo9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o
\$29b2o\$16bobo23bo\$17b2o21b2o\$17bo23b2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2b
o\$24bo4bo4b2o\$24bob3o14bo\$25b2o4bo9b2o\$30bobo9b2o\$14b2o9b2o3b2o\$15b2o
8bo\$14bo12bo\$26b2o\$46b3o\$46bo\$47bo2\$34bo\$33b3o\$33bob2o\$34b3o\$34b3o\$34b
3o\$34b2o!``````
Parts of this interaction aren't delicate--even though I use *WSSs here, it should be possible to replace them with cheap parts that look roughly like B-heptominos and then trying different "cleanup" gliders until the preblock separates cleanly.
Tanner Jacobi
Coldlander, a novel, available in paperback and as an ebook. Now on Amazon.

Freywa
Posts: 718
Joined: June 23rd, 2011, 3:20 am
Location: Singapore
Contact:

### Re: 17 in 17: Efficient 17-bit synthesis project

297 expensive xs17s remain. For future reference, I have prepared a table of them, numbered according to their apgcodes:

Code: Select all

``````x = 604, y = 217, rule = B3/S23
218bo198b3o\$217b2o197bo3bo\$218bo201bo\$218bo200bo\$218bo199bo\$218bo198bo
\$217b3o196b5o4\$17b3o17bo19b3o17b3o19bo16b5o16b3o16b5o16b3o17b3o17b3o
17bo19b3o17b3o19bo16b5o16b3o16b5o16b3o17b3o17b3o17bo19b3o17b3o19bo16b
5o16b3o16b5o16b3o17b3o\$16bo3bo15b2o18bo3bo15bo3bo17b2o16bo19bo3bo19bo
15bo3bo15bo3bo15bo3bo15b2o18bo3bo15bo3bo17b2o16bo19bo3bo19bo15bo3bo15b
o3bo15bo3bo15b2o18bo3bo15bo3bo17b2o16bo19bo3bo19bo15bo3bo15bo3bo\$16bo
3bo16bo22bo19bo16bobo16bo19bo22bo16bo3bo15bo3bo15bo3bo16bo22bo19bo16bo
bo16bo19bo22bo16bo3bo15bo3bo15bo3bo16bo22bo19bo16bobo16bo19bo22bo16bo
3bo15bo3bo\$16bobobo16bo21bo18b2o16bo2bo17b3o16b4o19bo17b3o17b4o15bobob
o16bo21bo18b2o16bo2bo17b3o16b4o19bo17b3o17b4o15bobobo16bo21bo18b2o16bo
2bo17b3o16b4o19bo17b3o17b4o\$16bo3bo16bo20bo21bo15b5o19bo15bo3bo17bo17b
o3bo19bo15bo3bo16bo20bo21bo15b5o19bo15bo3bo17bo17bo3bo19bo15bo3bo16bo
20bo21bo15b5o19bo15bo3bo17bo17bo3bo19bo\$16bo3bo16bo19bo18bo3bo18bo16bo
3bo15bo3bo17bo17bo3bo15bo3bo15bo3bo16bo19bo18bo3bo18bo16bo3bo15bo3bo
17bo17bo3bo15bo3bo15bo3bo16bo19bo18bo3bo18bo16bo3bo15bo3bo17bo17bo3bo
15bo3bo\$17b3o16b3o17b5o16b3o19bo17b3o17b3o18bo18b3o17b3o17b3o16b3o17b
5o16b3o19bo17b3o17b3o18bo18b3o17b3o17b3o16b3o17b5o16b3o19bo17b3o17b3o
18bo18b3o17b3o9\$16b2o18b2o19bo18b2o20bo19bobo15b2o18b2obo15b2o19bo19bo
18b2o2bo3bo11bo3b2o14b2o4bo13b2o2b2o14b2obob2o16bo18b2o19b2o19bo18bo
17b2o2b2o15b2o18b2o19b2o16b2o2b2o13b2o20bo18bo22b2o\$b3o13bo18bobob2o
14bobo17bo21b3o16bob2o16bo18bob2o16bo18bobo2b2o13bobo17bo2bobobobo10b
3o2bo14bobo2bobo12bo3bobo13bob2obo2bo12b3o17bo2bo15bo2bo16b2obobo16bob
o15bo2bo2bo14bo2bobo14bobo18bo2bo15bo2bobo13bobo19b3o15bobo2b2o16bobo\$
o3bo12bob2o17b2obo14bo2bobo15bo18b2o3bo15bo19bob2o19b2o14bobo17bo2bo2b
o13bobo2b2o14b2obobo2bo12b2o16bo2bobobo13bobobo17bo2b2o11bo19bobo2bo
14b3o2bo14bob2o2bo14bobobo15bobobo14bo2bob2o13bobo19bobobo16b2o18bo16b
2o3bo14bo2bo2bo16bobobo\$o3bo13bo2bo15bo19b2ob2o14b2o2bo15bo2b2o17b2obo
16bobo16b2o2bo15bobo17b3obo16bo3bo18bo2b2o11bo19b2o2bobo12b2o2bo15b3o
17b5o15bob3o17b3o18b2o14bo2bobo14b2o2bo15b2obo16bo2b3o15b2o2bo15bobo2b
o14b2o18bo2bobo14bob2o17b2o2bobo\$obobo15bo16bo20bo19b3o16b2o17bobob2o
14bobo17bob2o19bo20bo16bob3o35bo23b2o14bo18bo23bo16bo19bo18b2o18b2obo
16bo21bo17b2o2bo14bo2b2o15bobo2b2o13bo19bo4bo14b2o21bo3bo\$o3bo11b4o15b
2o19bobo17b2o20bo16bobo17bobobo16bo22b2o18bo18bo39b2o36bo41b2o18bo19bo
17bo20bo17bo19b3o19bo17bobo18bo18bob3o15bobo18bo18b3o\$o3bo12bo17bo19bo
bo17bo2bo16b3o17b2o18bo2bo16b2o20b2o2bo16bo20bo39bo36b2o40bo16b3o17b3o
19bo17bobo17b2o18bo19bo20b2o38bobo17bobo16bo19bo\$b3o11bo20bo18b2o19bob
o16bo40b2o39bo2bo17b2o18b2o38bo80bo15bo19bo20b2o17b2o58b2o63bo16bo17b
2o\$15b2o18b2o40bo100b2o78b2o78b2o199b2o12\$17bo18b2ob2o19b2o16b2o17b2o
19b2o16b2o23b2o12b2o19bo19bo18b2o2b2o14bo19b2o4b2o12b2o2b2o14b2obo19bo
2bo15b2o18b2o21b2o16b2o15b2o20b2o18bo23bo17bo15b2o21bo17bo24b2o\$bo14bo
bo17bob2o16b2o3bo17bo18bo20bo2b2o13bo19b2o2bo14bo2b2o14bobo4b2o11bobo
17bo2bobo14b3o17bobo3bobo11bo3bobo13bob2o17b6o14bo2bo15bo2bo16b2o2bobo
15bo2bo14bo2b2o16bo2bo16bobo21bobo15bobo14bobo18b3o16bobo20bobobo\$2o
15bo2bo20bo14bo2bo16b3o17bo2b2o18bobobo13bobo16bo2bobo14bobo2bo14bo2bo
2bo13bobo18b2o19bo17bo2b2o2bo13bobobo17b2o14bo19bobobo15b2obob2o13bobo
2bo15bo2bobo14bobobo14bo2bobo14bo2bo20bobo15bobobo16bo16bo19bo2bob2o
15bob2o\$bo16b2obo15b2ob2o15bob2o15bo2b3o14b2obo2bo14bobo2bo15bobo16bob
2o16bob2o16b2obobo15bo2bo17bo17bo19b2obobo13b2o2bo15b2obo2bo13b2o2b2o
14bo2b2o16bobobo16b2o15bo4bo14b2obobo14b2obo2bo13bobob2o15bo2bo17bobob
o14b2o18bo19bob2obo15bo3bo\$bo18bo16bo20bo19bo2bo15bo3b2o13bob2o16bobob
o15b2o21bo19bobo15bob3o17bo17b2o22bo15bo18bobo2b2o15bo2bo15b2o18bo18b
2o18b4o17bobo17bob2o15b2o2bo14bobob2o14b2o3bo14bo19b2o18b2o21bob2o\$bo
14b3o16bobo18bobo17bobo16bobo18bo18bobobo17bo19bobo19bo18bo18b2o20bo
35bo21bo20b2o18bo19bo18bo39bo19bo20bo17bobo16bo19bo19bo4bo15bo18b3o\$bo
13bo2b2o15b2o18bobo17bobo17b2o18b2o18bobo17bo20bobo19b2o19bo17bo21bo
35b2o58b3o21bo16bo19b2o18b2o18b2o17bobo20bo17b3o17b2o2b2o14bo2bobo13bo
19bo\$3o12b2o38b2o19bo59b2o17b2o20bo39bobo18bo21b2o93bo22b2o16b2o18b2o
57b2o20bo20bo19bo2bo15bo2bo14b2o\$217b2o18b2o22bo235b2o39b2o18b2o\$258b
3o\$258bo10\$17bo20b2o21b2o17b2o16bo18b2o22b2o14bo17b2o19bo19b2o17b2o3b
2o13b2o2b2o14b2o18b2o2b2o14b2o21bo18b2o18b2ob2o18b2o16b2o15b2o20b2o18b
obo18b2o19bo15b2o23b2o16bo21bo\$b3o12bobo18bobo16b2o3bo19bo15bobo17bo2b
2o14b2o2bobo13bobo2b2o13bo2bo15bobo17bo2bobo14bo2bo2bo13bo2bo2bo13bo2b
obo14bo3bo15bo20b3o2bo14bo2bo15bo2bobo14b2o2bobo15bo2bo14bo2b2o16bo2bo
17b2obo16bo2bo17bobo14bobo18b2o2bo16bobo19bobo\$o3bo12bo2bo15bo19bo2bob
o14bo2bo16bo2bo18bobobo14bo2bo15bo2bo2bo13bobobob2o12bo2b2o15b2ob2o16b
2obo15bobob2o14b2ob2o16bobobo15bo4bo12bo3b3o13bobo2bo14b2obo2bo13bo3bo
16bo2bobo14bobo16bo2bobo14b2o3bo17bo2bo15bobobo16bo16bo2bobo16bob3o15b
o2bo\$4bo13b2obo15b2o18b2obo15b5o15b2ob2o16b2o2bo15bob2o16bob2o16b2obob
o2bo11b2o2bo15bo20bob2o15bobo17bo18b2o2b2o14b2o3bobo12b2o18bo4bo15bob
2o16bob2o14bo4bo14b2obobo14bob2o2bo13bo2b2o16bob2obo15bobobo14b2o18bob
2o15b2o5bo14b2obobo\$3bo16bo18bo18bo38bo18bo2b2o15b2o18b2o23bo2b2o13b2o
16bo19bo21bo17bo19bo18bo3bobo15b2o17b4o16bo18b2o18b4o17bob2o15bo2bobo
14b2o17bobo2bo14b2o3bo14bo19b2o18bo5b2o15bo2b2o\$2bo13b4o15b4o17bobo19b
o18bo17bobo19bo19bo39b2o19b2o16bo21bo19b2o15bo21bo2bo17bo19bo17b2o19bo
19bo19bo20bobo16bo17bo2bo16bo19bo20bo19bo19bobo\$bo15bo17bo19bobo18b3o
16b2o19bo18bo19bo42bo20bo16b2o20b2o19bo15b2o21bobo19bo15bo38bo19bo20b
2o21bo15bo20b2o18bo19b2o17bo21bo17bobo\$5o10bo20bo19bo18bo19bo39b2o18b
2o39bo21bo59bo40bo19b2o15b2o37b2o18b2o58b2o40bo20bob2o13b2o19b2o18bo\$
15b2o20bo37b2o20bo98b2o20b2o58b2o236b2o20b2obo\$36b2o58b2o11\$17bo21b2o
17b2o19bo18bo18b2o17b2o19bo17b2ob2o16bo19b2o17b2o18b2o3bo14b2o2bo15b2o
18b2o21bo18b2o17bo23bo18b2o14bo2b2o19b2o14b2o21bo20bo15b2o21bo19bo2b2o
17bo\$b3o12bobo2b2o14bo2bo16bo2bo17bobo16bobo17bo18bo19bobo17bobo16bobo
17bo2bo16bo2bob2o13bo3bobo13bo2bobo14bo19bobo2b2o14b3o2bo14bo2bo15bobo
3b2o12b2o2bobo16bobo14b4obobo13b2o2bo15bo20bobo18bobo14bo3b2o14bobobo
17bobo2bo16bobo\$o3bo12bobo2bo13bob2o17bobobo14bo2bobo14bo2bo18bo18bo
18bo2bob2o13bo2b3o14bo2b2o15b2obo17b2obo15bo2bo2bo13b2obo17bo4bo14bo3b
o13bo3b3o13bobo2bo14bobo3bo13bo3bobo14b3o22b2o12bo2b2o15bo22bobo16bobo
17bo2bo14b2obobo16bobobo17bo2bo\$4bo14b2o16bo2b3o13b2o2bo15b2obo2bo13b
2ob2o16b2o19bo18bob2obo14b2o2bo15b2o2bo15bo2bo17bo2bo15bob3o15bo18b2o
2b3o13b2obo16b2o18bo4bo14bob2obo15bob2o14bo3bo15b2o18bobo2b3o12b2o19bo
bo2bo15bobobo14b2obo18bobo14b2o3bo16b2obobo\$2b2o14bo19bo3bo15b2o18bo2b
2o14bo18bo19bobo17b2o20bo20b2o16bob2o16bo2b2o16bo18bo19bobo16bo2b2o17b
2o17b4o17bobo15b2o18b2obo16bo19bobo3bo14bo17bobob2o14b2o3b2o13bo3b2o
14b2o2bo15bo21bo2b2o\$4bo11b3o16b3o18b2o17bobo19bo18bo18bobob2o16bo18bo
20b2o19bo17bo22bo15b2o20bo2bo17bo19bo37bo20bo20bo16bo21bo17b2o18bo2bo
16bo20b3o16bo20bo21bo\$o3bo10bo19bo19bobo17b2o18b2o18b2ob2o15bobo2bo14b
o20b2o17bo2bo17bobo17b2o20b2o15bo22bobo16b2o20bo17b2o17b2o17bo19bobo
17b2o38bo3b2o15bobo17b3o19bo18bo19bo17b3o\$b3o11b2o39bo38bo21bo2bo15bob
o16b2o38b2o19b2o58bo22bo38b2o17b2o36b2o18b2o59bo2bo17bo20bo37b2o18b2o
17bo\$96bo20bobo17bo137b2o200bobo\$95b2o21bo359bo11\$16b2o20b2o20bo16b2o
17b2o19b2o17b2o22b2o14bo2b2o15bo24bo13b2o2b2o14b2o3b2o13b2o18b2obob2o
13b2o21b2o18bobo15bobo18bo20b2o15b2o2b2o17bo16b2o23b2o17bo15b2o21bo19b
2o20bo\$3bo12bobo18bo2bo17b3o17bo18bo19bo3b2o13bo19b2o3bo13bobo2bo14bob
o17b2o3bobo12bo2bo2bo13bo2bo2bo13bo2bo16bob3obo13bobo18b3obo15b4obo13b
ob2o17bobo19bo16bo3bo16b3o17bo22bobo16bobo14bo19bobobo17bo2bo18bobo\$2b
2o15bo16bo2bobo15bo18bo2b2o15bo22bo2bo15bo17bo2bo16bob2o16bo2b2o15bo3b
o2bo13b2obo15bob3o15b2obo37b3o15bo5bo13bo5bo13bo3b2o15bo2bo16b2o2bo15b
o3bo14bo19bo21b3o17bobo17bo17b2obobo17b2obo18bobo\$bobo13b2o2bo15b2obo
15bo2b2o15b2obo2bo13b4o17bob2o16b2o18bob2o17bo18b2o2bo14bob2obobo14bob
2o15bo19bo2bo18b2o15bo3bo15bo5bo13b2o3b2o13b2o2bo14b2ob2o15bo2b3o14b2o
2b2o14bob2o16b2o19bo3bo16bobobo14b2o20bobo14b3o2bo16b3o2bo\$o2bo14bob2o
16bo18b2obo17bo2b2o17bo15bobo17bo19b2o2bo17bo20b2o16bobob2o14bo20bo18b
ob2o15bobobo15b3obo16bo3b2o14bo20b2o17bo18b2o18bobo17bobo18bo17bob3o
15b2o3b2o13bo19b2o2bo15bo2b2o17bo2b2o\$5o13bo17bobo19bo16bobo18b4o15bo
2bo16bo2b3o14bo2bo17b2o19b2o37bo18b3o20bo17b2o21bo18bobo15bo21bo18bo
20bo17bobo19bob2o15bo18bo18bo19b5o15bo21bo20bo\$3bo11b2obo16bobo18bobo
16b2o20bo17bobo18b2obo16b2o18bo21bo37b2o17bo20bobo39bo20b2o15b2o21bo
15b2o18bobo19bo19bobobo16b2o17bo18bo23bo15bo19b2o17b3o\$3bo11bobo17b2o
18bobo37bo20bo24bo35bo19bo78b2o40b2o58b2o15bo19b2o41bo21bo15b2o19bo19b
3o15b2o38bo\$56bo38b2o43b2o34b2o19b2o198bo80b2o36b2o19bo\$396b2o80bo\$
479bo\$478b2o9\$16b2o23b2o15bo20bo16b2o22bo15b2o21bo16b2o18bo21b2o15b2o
3b2o13b2o2b2o14b2o18bo3b2o16b2o3bo15bob2o13b2o3bo15bo20bo20b2o21bo15bo
19b2obo19bo18b2o14b2o21bo18b2o22bo\$5o11bo3b2o15b2o2bo15bobobo15b3o17bo
21bobo14bo21bobo14bo2bo16bobo2b2o13b2o2bo15bo2bo2bo13bo2bo2bo13bo19b3o
2bo15bo2bobobo12b3obo15bo2bobo13bobo3b2o13bobo19bobo19bobo13bobo18bob
2o18bobo16bobo14bo19bobobo17bo21b3o\$o17bo2bo14bo2bobo15bob2obo13bo19bo
21bobobo15bo19bo2bo14b2obobo14bobo2bo14bobo18b2obo15bob3o16bob2o17b2o
15bobo2b2o2bo10bo5bo13bo3bobo13bo2bo2bo14bo2bo16b2o3bo13b2o3bobo12bobo
bo21b2o14b3obo15bo2bobo14bo17b2obo19bo19bo\$o16b2obo16b2obo15b2o4bo13b
2o18b2o20bobobo14b2o17b2o2b2o16bob2o16b2o16bob4o17bo17bo18b3o2bo15bo2b
3o13bo5bobo11bo5bo13b3obo15b2obobo13b2ob2o15bo2b2obo13bo2bob2o13bobo2b
o17b2o2bo13bo3bo16b2o2b2o13b2o20bobo14b3obo19bo\$b3o14bob2o16bo18bo4b2o
15bo18bo17b2o3bo14bo19bo21bo18bo19bo3bo15b2o19bo21bo15bobo3bo19b2o13bo
b3o17bo18bobo16bo18b2o2bo16b2o17bob2o15bobob2o14bob3o15b2o18bo19b2o2b
2o14bo2bo19b2o\$4bo10b3o18bobo16bo19bob2obo17bo16bo19bo2b3o16bo18bobo
19b2o18bo18bo17b3o20b2o17bo40b2o18bo19bo18bo20bo19bo18bo17b2o19bo19bo
18bo4b2o13bo22bobo16bo\$o3bo10bo19bobo17b2o18b2obobo14b2ob2o16bobo17b2o
2bo17bo16bobo21bo17b2o19bo16bo22bo79b2o17b2o16b2o21b2o17bo17bobo39bo
17bo20b2o2bo16bo21bobo15bo\$b3o32bo42bo15bo2bo18b2o19bo17bobo17bo20bo
39b2o40bo115bo41b2o16b2o39b2o17b2o21bobo15b2o23bo13b2o\$96bobo39b2o15bo
bo39b2o79b2o116bo141b2o41b2o12bo\$97bo58bo238b2o199bo\$597bo\$596b2o9\$16b
2o22b2o16b2o18b2o16b2o22bo15b2o23bo14b2o18bo25b2o11bo2bo16b2o2bo15b2o
3b2o13b2o20bo20bo16b2ob2o16bo21b2o19b2o18bo17bo18b2ob2o15bo22b2o14b2o
3b2o16bo18b2o20b2o\$b3o12bobo17b2o3bo15bobo17bobo17bo21bobo14bo23bobo
12bo2bob2o13bobo2b2o13b2o4bobo11b6o14bo2bobo14bo4bo14bo2b2o16bobob2o
14b3o2b2o13bobo2bo13bobo20bo19bobo17bobo15bobo17bob2obo14b3o17b2o2bo
14bo2bo2bo13bobobo17bo21bobo\$o3bo14bo16bo2bo17bobobo14bo19bo21bobo17bo
20bobo14bob2obo14bobo2bo14bo2b3o19bo14bobo2bo15bo3bo14b2o2bo14bo2b2obo
13bo5bo13bo4b2o13bobo18b2o2bo15b3o16b2o2bo15bobobo21bo17bo17bobo17b2ob
o14b2obo19bo23bo\$o19bo17b3o15b2o2bobo13bob4o14b2o20bobobo14b2o17bo2bo
17bo20b2o16bobo3bo14b4o16bob2o15b5o17bobo15b2o18bo5bo13b2o18b2ob2o14bo
2b3o14bo3bo15bob2o16bobo2bo16b2obo15b2o2bo16bob2o17bob2o16bobo14b3o2bo
19b2o\$4o13b4o36bo3bo15bo3bo15bo18b2o3b2o13bo19b3obo18b2o16bo19b2o2b2o
15bo19bo37b2obo19b2o16bo3b2o15bo19bobo15bo19b3obo16bo18bob3o14bo2b2o
15bo2b2o15b2obo16b3o17b2o2b2o14bo2b3o18bo\$o3bo12bo18b3o17bo21bo17bo3b
2o13bo20bo22bo20bo17b2o36bo19bobo19bo16bo2bo21bo17bobo14bobo18b2o19b2o
20bo17bo19bo17b2o19b2o17bo2bo16bo19bo21bo21bo\$o3bo13bo16bo2bo16bo19b3o
18bobo2bo14bobo16b2obo19bo19bo20bo36b2o18b2o19bobo16b2o20bo20b2o14b2o
19bo21bo19bo16b2o21bo38bo18b2o38bo21bo18b2o\$b3o12bobo17b2o17b2o18bo19b
2ob2o17b2o18bobo15bobo20b2o18bo79bo39b2o57bo19bo20b2o15bo21b2o36bo59b
2o22bo17bo\$15bobo119bo2bo14b2o41b2o176b2o19b2o37bo58b2o81b2o18bo\$16bo
121b2o295b2o158b3o\$595bo10\$16b2o2b2o18b2o14b2o20bo17b2o22b2o14b2o21bo
16b2o2b2o14bo23b2o13bo19b2o2bo15b2o2b2o14b2o20b2o22bo16b2ob2o13bo23b2o
17b2o18bo20b2o17bo16b2o18bo18b2o21b2o17b2o\$5o11bobo2bo14b2o3bo15bo19bo
bo17bo19b2o2bo14bo21bobo14bo2bo2bo13bobo17b2o4bo13b3o2b2o13bo2bobo14bo
3bo15bo20bobo17b2o2bobo12b2o2bobo13bobo21bo2bo14bo2bo17bobo15bo2bobo
16bobo15bo18bobob2o14bo2bob2o13bo2bobo16bo2bo\$4bo13b2o16bo2bo17bob2o
15bo2bo16bo21bobo17bo18bo2bo15bob3o15bobo2bo14bo2bo18bo2bo14bobo2bo15b
obo16bo18bo2bob2o13bo2bo2bo13bob2o3bo12bo2bo2b2o13bo2bobo15b2o16bo2bob
o14bobo2bo17bo2bo15bo18b2obobo15b2obo14b3o2bo17b2obo\$3bo13bo20b3o15b2o
2bo15bob2obo14b2o20bob2o15b2o17bo3bob2o13bo20b4o14bobob4o13b2obo16bob
3o14b2o2b2o15bo18b3obo15bo2b2o18b2obo13b2obo2bo12bobob2o14b2o18b3obo
15bo2b2o16b2o2b2o14b2o20bo2bo16bo2bo16b2o15b3o2bo\$3bo13bo40bo18bo2b2o
15bo18b2o18bo19b2o3bobo14bo18bo19b2obo2bo14bob2o16bo19bobo15b2o23bo15b
2o20bobo15bob2o15bobo17bo21bo17b2o17bo19bo19bobo3b2o12b3o2b2o13b2o18bo
2b2o\$2bo12b2o19b3o17b2o20bo17bo18bo20bo20bo17b3o20b2o36bo22bo18bobo14b
o2b2o18b3o17bo36bo22bo16bo19b2o20bo17bo19bob3o15b2o18bo19bo21bo\$2bo12b
o19bo2bo16bo19b3o18bobob2o14bobo18b2obo14bo19bo23bo36b2o20b2o19bo15bob
o2bo17bo18bo37b2o20bo17bobo17bo19bo20b2o18bobobo56bo18b2o\$2bo14bo17b2o
19bobo16bo19b2ob2obo15b2o16bobob2o14b2o40bo98bo2bo37b2o58b2o17bobo17bo
18b2o20bo22bo55b2o\$16b2o39b2o76b2o60b2o98b2o119bo16b2o39bo23b2o\$418b2o
56b2o11\$16b2o2b2o15bo19b2obo17b2o20bo16b2o17b2o17b2o4b2obo11b2o2b2o14b
o19b2o17bo3b2o14b2o18b2o18b2o20b2o22b2o16b2o15b2obo19bo17bo20b2o17bo
21bo16b2o18b2o17b2o2b2o17b2o18bobo\$b3o12bobo2bo14bobo17bo2b2o16bo2bo
17b3o16bobo16bo19bo4bob2o10bo2bo2bo13bobo17bo2bo16b3o2bo14bo2b2o15bo3b
2o14bobob2o15bobo17bo3bobo12b2o3bo14bob2obo16b3o16bobobo17bo17bobo19bo
bo15bo18bo2bobo14bo2bo2bo13bo2bobo16bob2o\$o3bo13b2o16bo2bo17bo18bobo2b
o15bo3b2o16b3o16bo17bob2obo14bob2o16bobo2bo14b2o2b2o16b2o16bobo2bo15bo
2bo16b2obo14bo19bobo2bo14bo2bo16bo4bo15bo3b2o14bob2obo13bo3b3o13bobo2b
2o16bo2bo15bo18bob2obo15b2obo14b3o2bo16bo\$o3bo12bo19b2obo15b2ob2o15bo
2b2o17b2o2bo15bo3bo14b2o18bobobo15bo20b4o16b2obo15bo19bo2b2o14b2obo16b
o19b2o18bo2b2o16b3o16b4o15bob2o2bo13b2o4bo13b4o2bo13bo2b2obo14b2o2b2o
14b2o19bo3bo16bob2o16b2o15bobob2o\$b3o13bo21bo18bobo16b2o17bobob2o14b3o
2b2o13bo23bo17b2o17bo18b2o19bo20b2o18bo17bo21bo18b2o38bo18bo2b2o15bo4b
2o15bo17b2o17bo19bo19bobo3b2o12b3o17b2o18b2obobo\$o3bo10b2o18b4o16bobo
20bo16bobo17bo20bo42bo18b2o17bo17b2o22bo16b2o19b2o19bo19bo16b3o17bo22b
o16bo21bo19bo17bo19bo4b2o13b2o18bo19bo22bo\$o3bo10bo19bo19b2o18b3o18bo
18b2o20b2o39bo20bo16bo18bo22bo17bo21bo18b2obo16bo17bo2bo16b2o20b2o16b
2o19bo18bo20b2o18b2o2bo55bo21b2o\$b3o12bo19bo38bo59bobo2bo37b2o18bo17b
2o19bo20b2o17bo19bo21bobo15b2o18b2o77b2o17b2o20bo20bobo54b2o\$15b2o18b
2o98b2o2b2o57b2o36b2o38b2o19b2o20bobo153bo22b2o\$320bo154b2o11\$16b2o19b
o18b2o20b2o17b2ob2o17bo16b2obo15b2o19bo4b2o13bo18b2obo16bo3b2o14b2o18b
2o3b2o13b2obo18bo21b2o18b2o18b2o18bo16b2o18b2o19bo22b2o14b2o17b2o20bob
2o16b2o20b2o\$b3o12bobob2o14bobo17bo2b2o16bo2bo17bobo17bobo15bob2o16bo
18bobo4bo12bobo2b2o13bob4o14b3o2bo14bo2b2o15bobobobo13bob4o15bobo17bo
2bo15b2o3bo14b2obo2bo15b3o15bo2bo18bo18bobo21bo15bo18bo2bobo16b2obo14b
o2bo19bo2bo\$o3bo13b2obo14bo2bo17bobo2bo13bob2obo15bo3bo15bobo36bob2o
16bo3bo15bobo2bo19bo16b2o16bobobo16bobo21bo13bo2b3o14bobobo15bo2bo16bo
b2obo15bo19bob3o14bo19bobo2b2o16bobo16bo18bob2obo13b2o18b3o20bobo\$o3bo
12bo19b2obo15b2o3b2o13bo3bo17b2obo15bobobo15b5o15bobo17b5o16b3o18bo2bo
14bo19bo3bo14bobobo15b2o2b2o14b2o3bo14bo2b2o16b3o19bo15bo2b2o15b2o4bo
13b2o18bo2b2obo14b4o16b2o19bo3bo14bo21b3o16b2o2b3o\$b4o12bo21bo18bo18b
3o16bobobo15b2o2bobo13bobo2bo18b2o35bo20bob2o15bo20b3o16bo2bo15bo2bo
18bob2o15b2o37b2o18b2o2bo15bo3b2o15bo18b2o2bo14bo19bo19bobo3b2o12bo19b
2o3bo17bo4bo\$4bo10b2o20b2o16bobo17bobo17bobo19bo3bo14bo25bo16bo18bo19b
o16b2o19bobo19b2o18b2o15bobo20bo16b3o18bo21b2o15bo21bo20bo16b3o18bobo
16b2o18bobo17bo19b3o\$o3bo10bo21bo17b2o18b2o19bo18bo19b2o25b3o13bobo14b
3o19b2o16bo20b2o57b2o18b3o17bo2bo18bo20bo16b2o21b2o18b2o18bo16b2ob3o
35bobo17bo18bo\$b3o13bo20bo76b2o48bo13bo15bo40bo98bo20b2o18b2o21bo40bo
36bo23bo36bo16b2o\$16b2o17b3o126b2o69b2o161b2o38b2o37b2o21b2o36b2o\$35bo
402bo\$439bo\$438b2o!``````
Princess of Science, Parcly Taxel

calcyman
Posts: 2392
Joined: June 1st, 2009, 4:32 pm

### Re: 17 in 17: Efficient 17-bit synthesis project

Kazyan wrote:If it has to interfere, then let it:

Code: Select all

``````x = 59, y = 51, rule = B3/S23
58bo\$56b2o\$57b2o6\$49bo\$47b2o\$48b2o2\$40bo\$39bo\$33bobo3b3o\$36bo\$36bo\$33b
o2bo9bo\$34b3o9bobo\$2bo11bo5bo25b2o\$obo9bobo6bo\$b2o10b2o4b3o\$30bo\$28b2o
\$29b2o\$16bobo23bo\$17b2o21b2o\$17bo23b2o2\$34b2o\$27b2o4bo2bo\$25b3obo3bo2b
o\$24bo4bo4b2o\$24bob3o14bo\$25b2o4bo9b2o\$30bobo9b2o\$14b2o9b2o3b2o\$15b2o
8bo\$14bo12bo\$26b2o\$46b3o\$46bo\$47bo2\$34bo\$33b3o\$33bob2o\$34b3o\$34b3o\$34b
3o\$34b2o!``````
Parts of this interaction aren't delicate--even though I use *WSSs here, it should be possible to replace them with cheap parts that look roughly like B-heptominos and then trying different "cleanup" gliders until the preblock separates cleanly.
At the moment this constructs the 2-AC variant in 34 gliders, compared with the existing method which manages it in 33:

Code: Select all

``````x = 153, y = 58, rule = B3/S23
7b2o143bo\$5b3obo43b2o95b2o\$4bo4bo41b3obo95b2o\$4bob3o41bo4bo\$5b2o43bob
3o\$13bo37b2o\$5b2o6bobo\$5b2o6b2o\$10b2o131bo\$5b2o3bobo35b2o91b2o\$5b2o3bo
34bo2bobo3b2o86b2o\$43bobo2bo4b2o\$44b2o9bo78bo\$4b3o126bo\$6bo120bobo3b3o
\$5bo124bo\$7b3o120bo\$7bo119bo2bo9bo\$8bo119b3o9bobo\$96bo11bo5bo25b2o\$94b
obo9bobo6bo\$95b2o10b2o4b3o\$124bo\$122b2o\$123b2o\$110bobo23bo\$111b2o21b2o
\$111bo23b2o2\$128b2o\$121b2o4bo2bo\$119b3obo3bo2bo\$118bo4bo4b2o\$118bob3o
14bo\$119b2o4bo9b2o\$124bobo9b2o\$108b2o9b2o3b2o\$109b2o8bo\$108bo12bo\$120b
2o\$55bo84b3o\$13bobo38bo85bo\$13b2o29b2o8b3o84bo\$14bo27b3obo\$41bo4bo6bo
74bo\$41bob3o6b2o73b3o\$42b2o8bobo72bob2o\$128b3o\$3b2o37b2o84b3o\$b3obo36b
o6b3o76b3o\$o4bo6b3o29bo4bo78b2o\$ob3o7bo30b2o5bo\$b2o4bo5bo\$6bobo\$b2o3b
2o\$bo\$3bo\$2b2o!``````
Is it possible to replace the right half of the reaction to generate a snake instead of an AC, thereby building the last still-life in < 2 gliders per bit?
What do you do with ill crystallographers? Take them to the mono-clinic!

Extrementhusiast
Posts: 1884
Joined: June 16th, 2009, 11:24 pm
Location: USA

### Re: 17 in 17: Efficient 17-bit synthesis project

Starting the table eliminations with #250 in fourteen gliders:

Code: Select all

``````x = 96, y = 32, rule = B3/S23
44bo\$45b2o\$44b2o2b2o\$48b2o3\$8bo7bo\$4bob2o8bobo\$2bobo2b2o7b2o\$3b2o9bo
31b2o\$13b2o31b2o38bo\$3o10bobo71bo\$2bo46bo35b3o2bo\$bo46bobob2o35bobob2o
\$49bo3bo31b3o2bo3bo\$50b2o35bo3b2o\$51b2o33bo5b2o\$49bo3bo36bo3bo\$19bo29b
2obobo35b2obobo\$18bo34bo40bo\$5bobo10b3o\$6b2o47b2o\$6bo9b2o37b2o\$3b2o7b
2o2bobo\$2bobo8b2obo\$4bo7bo3\$53b2o\$53b2o2b2o\$56b2o\$58bo!
``````
I Like My Heisenburps! (and others)

Goldtiger997
Posts: 642
Joined: June 21st, 2016, 8:00 am

### Re: 17 in 17: Efficient 17-bit synthesis project

calcyman wrote:At the moment this constructs the 2-AC variant in 34 gliders, compared with the existing method which manages it in 33:

Code: Select all

``````x = 153, y = 58, rule = B3/S23
7b2o143bo\$5b3obo43b2o95b2o\$4bo4bo41b3obo95b2o\$4bob3o41bo4bo\$5b2o43bob
3o\$13bo37b2o\$5b2o6bobo\$5b2o6b2o\$10b2o131bo\$5b2o3bobo35b2o91b2o\$5b2o3bo
34bo2bobo3b2o86b2o\$43bobo2bo4b2o\$44b2o9bo78bo\$4b3o126bo\$6bo120bobo3b3o
\$5bo124bo\$7b3o120bo\$7bo119bo2bo9bo\$8bo119b3o9bobo\$96bo11bo5bo25b2o\$94b
obo9bobo6bo\$95b2o10b2o4b3o\$124bo\$122b2o\$123b2o\$110bobo23bo\$111b2o21b2o
\$111bo23b2o2\$128b2o\$121b2o4bo2bo\$119b3obo3bo2bo\$118bo4bo4b2o\$118bob3o
14bo\$119b2o4bo9b2o\$124bobo9b2o\$108b2o9b2o3b2o\$109b2o8bo\$108bo12bo\$120b
2o\$55bo84b3o\$13bobo38bo85bo\$13b2o29b2o8b3o84bo\$14bo27b3obo\$41bo4bo6bo
74bo\$41bob3o6b2o73b3o\$42b2o8bobo72bob2o\$128b3o\$3b2o37b2o84b3o\$b3obo36b
o6b3o76b3o\$o4bo6b3o29bo4bo78b2o\$ob3o7bo30b2o5bo\$b2o4bo5bo\$6bobo\$b2o3b
2o\$bo\$3bo\$2b2o!``````
Here's a 3 glider reduction using my cheaper method of making the B-heptomino. The cleanup may still be reducible:

Code: Select all

``````x = 48, y = 47, rule = B3/S23
25bo\$21bo4b2o\$19bobo3b2o\$20b2o10bo12bo\$31bo7bobo3bobo\$9bo21b3o5b2o4b2o
\$10b2o28bo\$9b2o\$25bo\$25bobo\$7bo17b2o\$bo6bo28bo\$2bo3b3o28bobo\$3o34b2o5\$
27b2o\$20b2o4bo2bo8bo\$18b3obo3bo2bo8bobo\$17bo4bo4b2o9b2o\$17bob3o\$18b2o
4bo\$23bobo\$18b2o3b2o\$18bo\$20bo\$4b2o13b2o\$3bobo\$5bo2\$bo\$b2o\$obo6\$26b3o\$
25bo2bo\$28bo\$24bo3bo\$24bo3bo\$28bo\$25bobo!``````