Extrementhusiast wrote:#140 from a trivial 17-bitter:
The base 17-bit stillife is formed via eater-to-integral applied to a 15. The block can be added while this is forming, saving one glider:
Code: Select all
x = 44, y = 16, rule = B3/S23
bo19bo$bbo18bobo$3o18boo$$4bo$4bobo$3oboo$bbo$bo37booboo$9bo30boboo$7b
3o27b3o$6bo29bo$5boboobo24boboobo$4bobboboo7boo14bobboboo$5boo11bobo
14boo$18bo!
Extrementhusiast wrote:#297 from a 22-bit pseudo, using a method similar to that of
#146:
I'll have to look at the predecessor; pseudo-objects with multiple bonding sites tend to
be much more difficult to synthesize than ones with only one.
Despite limited time this week, I found (and/or dredged up) a few mechanisms that were of general use, solving 8 items from the list.
The following 17 (top row) is not on the list, because it is a trivial cousin of #117. #117 does not yet have a synthesis, but this fairly obvious method can be used instead, removing 4 of the 21 remaining trivial derived still-lifes (this plus three other cousins, w/bun and/or carrier). After some finagling, I was also able to synthesize #117 (and its remaining trivial cousin w/carrier) from it:
Code: Select all
x = 158, y = 81, rule = B3/S23
86bobo$87boo$87bo$90bobo$90boo$91bo$137bo$90bo46bobo$88bobo46boo$89boo
$$6bobo92bo14boo18boo18boo$6boo18bo19bo19bo22bo6bo4bobo11bobbo16bobbob
3o12bobo$7bo17bobo17bobo17bobo22bo4bobo3boo12bobo17bobobbo14bo$25boo
12bobo3boo18boo21b3o4boo15booboo15booboo4bo10booboo$5b3o32boo71bo19bo
19bo$7bo32bo72bo19bo19bo$6bo36bo20boo15boo5b3o3boo18boo18boo18boo$43b
oo20bo16boo6bo4bo19bo19bo19bo$42bobo19bo16bo7bo4bo19bo19bo19bo$48bo15b
oo28boo18boo18boo18boo$46boo$43boobboo$43bobo$43bo9$7bo$7bobo$7boo$5bo
29bo$6bo29bo$4b3obbo24b3o$bo7bobo$bbo6boo11bo14boo3bo$3o3boo13boboboo
9bobobboboboo15booboo15booboo15booboo$5bobo14boobobo10bo3boobobo15bobo
bo15bobobo15bobobo$5bo19bobo17bobo15bobobo15bobobo15bobobo$bbooboo15b
ooboo15booboo15booboo15booboo15booboo$3bo19bo19bo15bo3bo15bo3bo19bo$3b
o19bo19bo15bo3bo15bo3bo19bo$4boo18boo10boo6boo13bo4boo13bo4boo18boo$5b
o19bo11boo6bo19bo19bo19bo$4bo19bo11bo7bo19bo12boo5bo19bo$4boo18boo18b
oo18boo10bobo5boo18boo$78bo12$78bo$79boo$5bo72boo52bo$5bobo75bo48bobo$
5boo3bobo68boo49boo$10boo70boo3bobo20bo19bo$11bo38bo36boo20bobo17bobo$
48boo38bo20bobo17bobo$bbooboo3b3o9boo18boo5boo11boo18boo6b3o11bo5bo13b
o5bo13bo$3bobobobbo12bo19bo10bo8bobbo16bobbo3bo12bobo17bobo17bobo$3bob
obo3bo11boboo16boboo3bobbo9bobobo15bobobo3bo11bobo17bobo17bobo$bbooboo
15booboo15booboobboobb3o6booboo15booboo15booboo15booboo15booboo$3bo19b
o19bo5bobo11bo19bo19bo19bo19bo$3bo19bo19bo19bo19bo19bo19bo19bo$4boo18b
oo18boo18boo18boo18boo18boo18boo$5bo19bo19bo19bo19bo19bo19bo19bo$4bo
19bo19bo19bo19bo19bo19bo19bo$4boo18boo18boo18boo18boo18boo18boo18boo!
It turns out that the related #123 was implicitly known long ago. Dave Buckingham's old original synthesis of 14.78 builds two inducting copies of the snake w/tail (as in the above synthesis) and then welds both ends. Welding only one of the two end yields #123 from 72 gliders. Streamlining some of the steps reduces this to 63:
Code: Select all
x = 229, y = 115, rule = B3/S23
194bo$148bo46boo$149boo43boo$148boo10bobo$105bo54boo30bo26bo$103bobo
55bo30boo25bo$104boo27bo19bo5bo31bobo25bo$21bo88bobo19bobo17bobo3boo5b
o18boo18boo18boo$22boo86boo19bobo17bobo4bobo3boo15bobobo15bobobo15bobo
bo$14bo6boobbo85bo19boo18boo11bobo14boo18boo18boo$15boo8bobo$14boo9boo
11boo18boo18boo18boo9b3o16boo18boo28boo18boo18boo$35bobobo15bobobo15bo
bobo15bobobo9bo15bobobo15bobobo25bobobo15bobobo15bobobo$35boo3boo13boo
3boo13boo3boo13boo3boo8bo14boo3boo13boo3boo23boo3boo13boo3boo13boo3boo
$12boo27bo19bo19bo19bo29bo19bo29bo19bo19bo$11bobo26bo19bo19bo19bo29bo
19bo29bo19bo19bo$13bo8bo16bo19bo20boo18boo28boo18boo28boo18boo18boo$
21boo16boo18boo$21bobo$16b3o45bo$18bo36boo6boo$17bo36bobo6bobo$56bo$
60b3o$62bo$61bo13$25bo$24bo$24b3o$189bobo$10bo17bo161boo$8bobo16bo162b
o$9boo16b3o$$194bo$187bo5bo$188boo3b3o$11bo175boo$12boo182boo$11boo
108bobo72bobo$121boo22bo50bo4bo$9bo112bo20boo56bobo$9boo8bo29boo18boo
28boo28boo13boo13boo28boo10boo16boo$8bobo8bo30bo19bo29bo29bo29bo29bo
29bo$19bo29bo19bo29bo29bo29bo29bo29bo$24boo23boo3boo8bo4boo3boo23boo3b
oo7bo15boo3boo18bo4boo3boo18bo4boo3boo18bo4boo3booboo$21bobobo25bobobo
6bobo6bobobo3bo14boo5bobobo8bo9boo5bobobo7bo9bobo5bobobo17bobo5bobobo
17bobo5boboboboo$21boo28boo10boo6boo6bobo12boo5boo9b3o9boo5boo9bo11boo
5boo21boo5boo21boo5boo$60boo17boo35b3o23b3o$18boo28boo9bobo6boo6boo20b
oo5boo11bo9boo5boo9b3o9boo5boo21boo5boo21boo5boo$15bobobo25bobobo11bo
3bobobo6bobo16bobobo5boo10bo7bobobo5boo9bo8bobobo5bobo17bobobo5bobo14b
oobobobo5bobo$15boo3boo23boo3boo13boo3boo4bo18boo3boo23boo3boo15bo7boo
3boo4bo18boo3boo4bo15booboo3boo4bo$21bo29bo19bo29bo29bo29bo29bo29bo$
20bo29bo19bo29bo29bo29bo29bo29bo$20boo28boo18boo28boo13boo13boo28boo
16boo10boo28boo$116boo20bo38bobo$115bo22boo39bo4bo$137bobo42bobo$183b
oo$192boo$185b3o3boo$187bo5bo$186bo3$190bo$189boo$189bobo7$78bo$76bobo
$77boo$$19bo61bo81bo$14bo3bo25boo28boo3boo80boo$15boob3o22bobbo26bobbo
3boo80boo$14boo27bobbo16bo9bobbo78bo$9boo28boo3boo15bobo5boo3boo23boo
9bo8boo18boo12bobo3boo$10bo29bo21boo6bo29bo7bobobbobo4bo19bo13boo4bo$
9bo29bo29bo29bo9boo3boo3bo19bo19bo$4bo4boo3booboo15bo4boo3booboo10bo4b
o4boo3booboo20boo13bo4boo14bo3boo14bo3boo19bo$3bobo5boboboboo14bobo5bo
boboboo8bobo3bobo5boboboboo22bo19bo12bobo4bo12bobo4bo17bobo$4boo5boo
21boo5boo15boo4boo5boo28bo10boo7bo11bobo5bo11bobo5bo16bobbo$98booboo8b
obo4booboo11bo3booboo11bo3booboo15booboo$8boo5boo21boo5boo21boo5boo4b
oo16bo13bo5bo19bo19bo19bo$bboobobobo5bobo14boobobobo5bobo14boobobobo5b
obo3bobo15bo19bo19bo12boo5bo19bo$bbooboo3boo4bo15booboo3boo4bo15booboo
3boo4bo4bo18boo18boo18boo9bobo6boo18boo$11bo29bo29bo29bo19bo19bo11bo7b
o19bo$10bo29bo29bo6boo21bo19bo19bo19bo19bo$10boo23boo3boo23boo3boo5bob
o20boo18boo18boo18boo18boo$5boo27bobbo26bobbo9bo$3oboo28bobbo21boo3bo
bbo$bbo3bo28boo23boo3boo$bo57bo$$62boo$62bobo$62bo!
(The original method did the welds with tub+blinker+2 gliders, with the blinker coming from a glider into a block-pair. If only one weld is done at once, the blinker can be made directly from two gliders, saving one glider. Furthermore, as shown above, barge+3 gliders removes another glider, and also works with an attached table, as shown below).
Combining the above two techniques gives us #151 from 43 gliders:
Code: Select all
x = 118, y = 51, rule = B3/S23
20bo$19bo41bo$10bo8b3o39bobo$10bobo48boo$10boo$bbobo34boo18boo39bo$3b
oo34boo18boo37boo$3bo8boo17boo18boo18boo18boo6boo10boo$13bo10boo5bo19b
o19bo19bo12bo6bo4bo$3o10boboo7bobo6boboo16boboo16boboo16boboo3bobbo9bo
bobo$bbo9booboo7bo7booboo15booboo15booboo15booboobboobb3o6booboo$bo11b
o19bo19bo19bo19bo5bobo11bo$13bo19bo19bo19bo19bo19bo$14boo18boo18boo18b
oo18boo18boo$15bo19bo19bo19bo19bo19bo$14bo19bo19bo19bo19bo19bo$14boo
18boo18boo18boo18boo18boo16$20b3o$17bobbo$18bobbo$16b3o$101bo$11boo18b
oobboo14boobboo14boobboo14boobboo4bobo7boobboo$11bo4bo14bo3bo15bo3bo
15bo3bo15bo3bo5boo8bo3bo$13bobobo15bobo17bobo5bo11bobo17bobo17bobo$12b
ooboo15booboo15booboo4bobo8booboo3bo11booboo3bo11booboo$13bo19bo19bo7b
oo10bo5bobo11bo5bobo11bobbo$13bo19bo19bo19bo4bobo12bo4bobo12bobo$14boo
18boo18boo4bo13boo3bo14boo3bo14bo$15bo19bo19bo3boo3boo9bo19bo$14bo19bo
19bo4bobobbobo7bo19bo4boo$14boo18boo18boo8bo9boo18boo3bobo$99bo$91boo$
92boo$91bo!
This also gives us #306 from 41 gliders, from a 16:
Code: Select all
x = 107, y = 28, rule = B3/S23
6bo77bo$4bobo76bo$5boo72bo3b3o$80boo7bo$79boo6boo$88boo$$93bobo$93boo$
94bo$12bo$12bobo10bo19bo19bo19bo19boo$oo10boo6boobbobo13boobbobo13boo
bbobo13boobbobo13boobbobo$obboo15bobbobbo13bobbobbo3bo9bobbobbo13bobbo
bbo13bobbo$boobo4b3o9booboo15booboo4bobo8booboo3bo11booboo3bo11booboo$
bbo6bo12bo19bo7boo10bo5bobo11bo5bobo11bobbo$bbo7bo11bo19bo19bo4bobo12b
o4bobo12bobo$3boo18boo18boo4bo13boo3bo14boo3bo14bo$4bo19bo19bo3boo3boo
9bo19bo$3bo19bo19bo4bobobbobo7bo19bo$3boo18boo18boo8bo9boo18boo$$92bo$
91boo$91bobo$77boo$76bobo$78bo!
This could also potentially give us #110, if a way could be devised to turn a hat or something similar into a pair of inducting snakes:
Code: Select all
x = 65, y = 15, rule = B3/S23
49bo$ooboo15booboo15booboo4bobo8booboo$o3bo15bo3bo15bo3bo4boo9bo3bo$bo
bo5bo11bobo17bobo17bobo$ooboo4bobo8booboo3bo11booboo3bo11booboo$bo7boo
10bo5bobo11bo5bobo11bobbo$bo19bo4bobo12bo4bobo12bobo$bboo4bo13boo3bo
14boo3bo14bo$3bo3boo3boo9bo19bo$bbo4bobobbobo7bo19bo4boo$bboo8bo9boo
18boo3bobo$47bo$39boo$40boo$39bo!
By using loaf+5 gliders, the above mechanism can be extended to also work with an attached carrier, giving us #155 from 44 gliders, and #310 from 50:
Code: Select all
x = 168, y = 113, rule = B3/S23
117bo$117bobo$117boo$82bo$81bo19bo14bo4bo$81b3o16bobo14boobobo$100bobo
13boobbobo$84b3o14bo19bo$12boo38boo18boo10bo7boo18boo18boobboo$13bo7bo
3bo27bo19bo11bo7bo19bo9bo9bo3bo$13boboo5boobobo25bobooboo13bobooboo13b
obooboo13bobooboobbo10bobo$12booboo4boobboo25boobooboo12boobooboo12boo
booboo12boobooboobb3o7booboo$13bo39bo19bo19bo19bo19bo$13bo39bo19bo19bo
19bo13boo4bo$14boo38boo18boo18boo18boo5boo3boo6boo$15bo39bo19bo19bo19b
o4boo6bo6bo$14bo39bo19bo19bo19bo7bo11bo$14boo38boo18boo18boo18boo18boo
8$41b3o$41bo$42bo11$12boobboo12bo11boobboo14boobboo4bo9boobboo$13bo3bo
10boo13bo3bo15bo3bo4bobo8bo3bo$13bobo13boo12bobo17bobo6boo9bobo$12boob
oo25booboo15booboo15booboo$13bo11bo17bo5boo12bo5boo12bobbo$13bo10bo18b
o4bobbo11bo4bobbobboo7bobo$14boo8b3o17boobbobo13boobbobobboo9bo$15bo
29bo3bo15bo3bo5bo$14bo29bo19bo$14boo9b3o16boo18boo4boo$25bo44bobo$26bo
34boo7bo$60bobo4bo$62bo4boo$66bobo9$20bo$19bo41bo$10bo8b3o39bobo$10bob
o48boo$10boo$bbobo34boo18boo$3boo34boo18boo$3bo8boo17boo18boo18boo18b
oo38boo$13bo10boo5bo19bo19bo19bo9bo3bo25bo$3o10boboo7bobo6boboo16boboo
16boboo16boboo5boobobo25bobooboo$bbo9booboo7bo7booboo15booboo15booboo
15booboo4boobboo25boobooboo$bo11bo19bo19bo19bo19bo39bo$13bo19bo19bo19b
o19bo39bo$14boo18boo18boo18boo18boo38boo$15bo19bo19bo19bo19bo39bo$14bo
19bo19bo19bo19bo39bo$14boo18boo18boo18boo18boo38boo8$121b3o$121bo$122b
o3$57bo$57bobo$57boo$22bo$21bo19bo14bo4bo$21b3o16bobo14boobobo$40bobo
13boobbobo$24b3o14bo19bo$11boo11bo6boo18boo18boo3boo13boo3boo12bo10boo
3boo13boo3boo4bo8boo3boo$11bo13bo5bo19bo11bo7bo5bo13bo5bo10boo11bo5bo
13bo5bo4bobo6bo5bo$13bobooboo13bobooboo13bobooboobbo10bobo17bobo13boo
12bobo17bobo6boo9bobo$12boobooboo12boobooboo12boobooboobb3o7booboo15b
ooboo25booboo15booboo15booboo$13bo19bo19bo19bo19bo11bo17bo5boo12bo5boo
12bobbo$13bo19bo19bo13boo4bo19bo10bo18bo4bobbo11bo4bobbobboo7bobo$14b
oo18boo18boo5boo3boo6boo18boo8b3o17boobbobo13boobbobobboo9bo$15bo19bo
19bo4boo6bo6bo19bo29bo3bo15bo3bo5bo$14bo19bo19bo7bo11bo19bo29bo19bo$
14boo18boo18boo18boo18boo9b3o16boo18boo4boo$105bo44bobo$106bo34boo7bo$
140bobo4bo$142bo4boo$146bobo!
Extrementhusiast wrote:This solves #100:
By combining this with the above mechanisms, we can also make #125 from 33 gliders:
Code: Select all
x = 176, y = 108, rule = B3/S23
139bo$137bobo$138boo14$114bo39bo$99bo14bobo36bo$100bo13boo37b3o$98b3o$
154bo$153boo$153bobo$81bo$79bobo91boo$80boo91boo$$51bo35boo34boo28boo
18boo$52booboo16bo12bobo14bo18bobbo26bobbo16bobbo$14bo36boobbobo14bobo
13bo13bobo17bobbo26bobbo16bobbo$12bobo40bo17boo15b3o10boo15booboo25boo
boo15booboo$9boobboo75bo30bo29bo19bo$10boo79bo29bo29bo19bo$9bo22boo18b
oo18boo28boo18boo28boo18boo$13bobo17bo19bo19bo29bo19bo29bo19bo$13boo
17bo19bo19bo29bo19bo29bo19bo$14bo17boo18boo18boo19boo7boo18boo28boo18b
oo$17bo75bobo$16boo75bo$16bobo5$90b3o$92bo$91bo15$80bobo$80boo$81bo7$
71bobo$71boo$67boo3bo$66bobo$67bo$62bo$63bo$61b3o92bobo$75bo81boo$61bo
11boo82bo$61boo11boo$60bobo$155b3o$90boo18boo18boo18boo3bo$3boo28boo
28boo25bobo17bobo17bobo13bo3bobo3bo16boo$3boo28boo28boo28bo19bo19bo13b
oo4bo19bo$94bo19bo19bo11boo6bo19bo$3boo13bo14boo28boo28boo18boo18boo
18boo18boo$bbobbo10boo14bobbo26bobbo26bo19bo19bo19bo19bo$bbobbo11boo
13bobbo26bobbo26bo19bo19bo19bo19bo$ooboo25booboo25booboo25booboo15boob
oo15booboo15booboo15booboo$bo11bo17bo5boo13boo7bo5boo22bobbo16bobbo16b
obbo16bobbo16bobbo$bo10bo18bo4bobbo13boo6bo4bobbo21bobo17bobo17bobo17b
obo17bobo$bboo8b3o17boobbobo13bo9boobbobo23bo19bo19bo19bo19bo$3bo29bo
3bo25bo3bo$bbo29bo29bo$bboo9b3o16boo28boo$13bo64bo$14bo62boo$77bobo$
94boo18boo$94boo18boo$74boo$73boo41boo$53boo20bo40bobo$54boo3boo55bo$
53bo4bobo$60bo!
Back around 2000 or so, I devised a complicated 34-glider shillelagh to very-long-hat converter, specifically for the purpose of eliminating two of the last remaining difficult 17-bit pseudo-still-lifes (bottom three rows). This has subsequently been used in the syntheses of many of the difficult 15- through 17-bit still-lifes. I was just going through some of my converter files, and found one from 2011 that does the same thing in only 10 gliders (top row). I'm mystified as to why I never noticed that this would improve the above-mentioned pseudo-still-lifes (from which all the other variations were cut and pasted) but this should vastly improve several of the objects synthesized in the past year. This also improves two related 15-bit still-lifes (see subsequent section), two 16s, nine 17s, and one 19:
Code: Select all
x = 162, y = 140, rule = B3/S23
135bo$133boo$130bo3boo$131boo$130boo$$17booboo15booboo15booboo15booboo
15booboo15booboo15booboo12boobooboo$17bo3bo15bo3bo8bobo4bo3bo10bo4bo3b
o10bo4bo3bo10bo4bo3bo10bo4bo3bo13bobo3bo$18bobo17bobo10boo5bobo10bobo
4bobo10bobo4bobo10bobo4bobo10bobo4bobo14bobbobo$5bo5bo4boboboo14bobob
oo9bo4boboboo10boobboboboo10boobboboboo10boobboboboo10boobboboboo14bob
oboo$6boobobo4boo18boo18boo18boo18boo18boo18boo19bo$5boo3boo20boo18boo
18boo18boo18boo18boo$33bo19bo19bo19bo17bobo11boo4bobo$7bo22b3o17b3o17b
3o17b3o19bo13boo4bo$7boo21bo19bo19bo15bo3bo34bo$3o3bobo78boo41boo$bbo
83boo41bobo$bo129bo24$62bo$60boo$11bobo47boo$12boo44bo$12bo46bo$17boob
oo15booboo15b3o7booboo15booboo25booboo15booboo$10boo5bo3bo15bo3bo25bo
3bo15bo3bo25bo3bo15bo3bo$11boo5bobo17bobo27bobo7booboo5bobo17booboo5bo
bo7booboo5bobo$10bo5boboboo14boboboo24boboboo7bobo4boboboo17bobo4bobob
oo6boobo4boboboo$16boo17bobo27bobo11bobo3bobo21bobo3bobo13bo3bobo$6bo
29bo29bo13bo5bo23bo5bo14boo3bo$4bobo7bo43bo$5boo6boo43boo$8boo3bobo41b
obo$7bobo$9bo50b3o40boo5boo$60bo43boo5boo6boo$61bo41bo6bo7boo$114b3o3b
o$116bo$115bo17$58bo$57bo56bo$57b3o53bo$55bo57b3o$5bobo41bo3bobo55bo$
5boo43bo3boo56bo$6bo41b3o59b3o18boo$4bo126boo$5bo11booboo15booboo25boo
boo15booboo25booboo15booboo$3b3o11bo3bo15bo3bo25bo3bo15bo3bo25bo3bo15b
o3bo$8booboo5bobo7booboo5bobo17booboo5bobo10boo5bobo20boo5bobo10boo5bo
bo$8boobo4boboboo5bobobo4boboboo15bobobo4boboboo9bo4boboboo19bo4bobob
oo9bo4boboboo$4bo6bo3bobo10bobbo3bobo20bobbo3bobo10boobo3bobo20boobo3b
obo10boobo3bobo$4boo5boo3bo14boo3bo24boo3bo11booboo3bo21booboo3bo11boo
boo3bo$3bobo5$52boo$51bobo$53bo$$63boo$62boo$64bo16$26boo28boo18boo28b
oo9bo$5bobo17bobbo26bobbo16bobbo26bobbo6boo$6boo17bobbo26bobbo16bobbo
26bobbo7boo$6bo19boo28boo18boo28boo$$5boo4boo18boo28boo18boo28boo$4bob
o4boo18boo28boo18boo22b3o3boo$6bo10booboo15booboo25booboo15booboo15bo
9booboo12boobooboo$17bo3bo15bo3bo25bo3bo15bo3bo14bo10bo3bo13bobo3bo$
11boo5bobo10boo5bobo20boo5bobo10boo5bobo20boo5bobo14bobbobo$11bo4bobob
oo9bo4boboboo19bo4boboboo9bo4boboboo19bo4boboboo14boboboo$8boobo3bobo
10boobo3bobo20boobo3bobo10boobo3bobo20boobo3bobo19bo$8booboo3bo11boob
oo3bo21booboo3bo11booboo3bo21booboo3bo$105boo$88boo14bobo11boo4bo$68b
3o17boo10boo4bo11boobboo$68bo30bobo10boo9boo$69bo31bo11boo$65b3o44bo6b
o$67bo50boo$66bo51bobo!
Upon closer examination, this also appears to be equivalant than the unzip-to-tail converter, of which I found 3 similar variations all costing 11 gliders (bottom row), so this is slightly cheaper. This likely affects quite a few objects, but I haven't had the time to find them all yet:
Code: Select all
x = 167, y = 66, rule = B3/S23
19bo59bo59bo$17boo58boo58boo$14bo3boo54bo3boo54bo3boo$15boo58boo58boo$
14boo58boo58boo$$38boo58boo58boo$16bo22bo36bo22bo36bo6bo15bo3bo$15bobo
3boo16boboo32bobo3boo16boboo32bobo3b3o15bob3o$16boobbobbo16bobbo32boo
bbobbo16bobbo32boobbo3boo14bo3boo$20boboboboo14boboboo32bobo19bo37bob
oobbo14b3obbo$16boo3booboobo13booboobo28boo3boobo16boobo31boo3boboboo
16boboo$9boo4bobo51boo4bobo5bobo17bobo23boo4bobo5bo19bo$10boo4bo53boo
4bo6bobo17bobo24boo4bo5boo18boo$9bo59bo14bo19bo24bo$14boo58boo58boo$
13bobo57bobo57bobo$15bo59bo59bo19$16bobo57bobo57bobo$16boo58boo58boo$
17bo59bo59bo$11bo59bo59bo$9bobo10bo46bobo10bo46bobo10bo$10boo8boo48boo
8boo48boo8boo$21boo58boo58boo$$13bo59bo59bo$11bobo57bobo57bobo$12boo
24boo32boo24boo32boo24boo$bboo35bo22boo35bo22boo19bo15bo3bo$o4bo15boo
16boboo17bo4bo15boo16boboo17bo4bo15b3o15bob3o$6bo13bobbo16bobbo22bo13b
obbo11boo3bobbo22bo13bo3boo14bo3boo$o5bo13boboboboo14boboboo12bo5bo13b
obo12boo5bo17bo5bo13boboobbo14b3obbo$b6o6boo6booboobo13booboobo13b6o6b
oo6boobo16boobo16b6o6boo6boboboo16boboo$12bobo57bobo8bobo17bobo26bobo
8bo19bo$14bo59bo8bobo17bobo28bo7boo18boo$16b3o57b3o5bo19bo31b3o$16bo
24boo33bo59bo$17bo23boo34bo59bo$$24boo58bo$24bobo56boo$24bo58bobo$134b
oo$133bobo$135bo8b3o$144bo$145bo!
Unfortunately, this can't be used with #189, #190, nor #191, because the required predecessors wouldn't be stable.
This converter gives us 15.410 from 19 gliders, 15.390 (which is derived from it) from 28, and, ironically, if we use this method a second time (as unzip-to-tail) during the final stage of 15.390, and wiggle the cleanup glider, we get #390 from 36 gliders:
Code: Select all
x = 212, y = 139, rule = B3/S23
152bo$153bo$151b3o$$107bo46bobo$107bobo17boo18boo5boo11boo18boo18boo$
103b3oboo17bobbo16bobbo5bo10bobbo16bobbo16bobbo$105bo20bobo17bobo9b3o
5boboo16boboo16boboo$104bo22bo19bo10bo8bo19bo19bo$159bo5bobo17bobo17bo
bo$154bo10boo18boo18boo$153bo$153b3o9boo18boo$141bo4b3o16boo18boo$141b
oo5bo$140bobo4bo35boo$182bobo$184bo13$184bo$182boo$179bo3boo$180boo$
179boo$67boo18boo18boo18boo18boo18boo18boo18boo$66bobbo16bobbo16bobbo
16bobbo16bobbo16bobbo16bobbo13boobobbo$66boboo16boboo9bobo4boboo11bo4b
oboo11bo4boboo11bo4boboo11bo4boboo14boboboo$67bo19bo12boo5bo12bobo4bo
12bobo4bo12bobo4bo12bobo4bo16bobbo$54bo5bo4bobo17bobo12bo4bobo13boobbo
bo13boobbobo13boobbobo13boobbobo17bobo$55boobobo4boo18boo18boo18boo18b
oo18boo18boo19bo$54boo3boo20boo18boo18boo18boo18boo18boo$82bo19bo19bo
19bo17bobo11boo4bobo$56bo22b3o17b3o17b3o17b3o19bo13boo4bo$56boo21bo19b
o19bo15bo3bo34bo$49b3o3bobo78boo41boo$51bo83boo41bobo$50bo129bo13$128b
oo$124boobbobo$123bobobbo$125bo$110bo$111bo$109b3o8$167boo18boo18boo$
127boo38bo19bo19bo$123boobobbo35boobbo15boobbo15boobbo$124boboboo34bob
oboo14boboboo14boboboo$124bobbo36bobbo16bobbo16bobbo$125bobo37bobo17bo
bo17bobo$126bo39bo19bo19bo$143boo$142boo$105boo37bo$104bobo51b3o17b3o$
106bo67b3o$176bo$175bo$109boo$108bobo$110bo$130bo$129boo$129bobo$108b
oo$107bobo$109bo13$bbo$obo$boo130bo$131bobo$132boo$6bobo$bbo3boo73bobo
50bobo$3boobbo73boo51boo$bboo78bo52bo$7bo121bobo12bo$6bo16boo18boo5bo
12boo18boo45boo12bobo$6b3o15bo19bo3boo14bo4bo14bo4bo15bo3bo20bo4bo3bo
4boo$24bobo17bobobboo13bobobobo13bobobobo13bobobobo23bobobobo$25boo18b
oo18booboo15booboo15booboo25booboo$129bo16boo23bo19bo19bo$127bobo16bob
o20b3o17b3o17b3o$7boo18boo18boo18boo18boo18boo14b3obboo7boo7bo21bo19bo
19bo$3boobobbo13boobobbo13boobobbo13boobobbo13boobobbo13boobobbo15bo7b
oobobbo25boobbo15boobbo15boobbo$4boboboo14boboboo14boboboo14boboboo14b
oboboo14boboboo14bo9boboboo24boboboo14boboboo14boboboo$4bobbo16bobbo
16bobbo16bobbo16bobbo16bobbo26bobbo26bobbo16bobbo16bobbo$5bobo17bobo
17bobo17bobo17bobo17bobo27bobo27bobo17bobo17bobo$6bo19bo19bo19bo19bo
19bo20b3o6bo29bo19bo19bo$129bo$128bo$131boo$130boo26b3o17b3o$132bo41b
3o$126b3o47bo$128bo46bo$127bo!