10-bit snake from 10 gliders (wing from 5 gliders; probably reducable by 2):
Code: Select all
x = 35, y = 17, rule = B2n3/S23-q
bo$bbo$3o$11bo$12bo$10b3o$15bo8boo$14bo9bobo$oo6bo5b3o10bo$boo5bo19bo$
o7bo20boboboo$12boo16booboo$11bobo$13bo$14bo$12bobo$12bobo!
The 9-bit snake awaits a better wing synthesis.
There are 44 11-bit still-lifes. (Since feathers no longer work, Life's snake-with-feather and carrier-with-feather can't happen. Ironically, feathers are ridiculously easy to synthesize (i.e. add a 1-bit spark diagonally to a siamese carrier), but it's pointless, since they aren't stable.) Of these, I know syntheses for 27, plus 1 partial based on the 9-bit snake, with 16 others still unknown.
Code: Select all
x = 310, y = 164, rule = B2n3/S23-q
3bo$4bo40boo7bo10boo17boo18boo17boo18boo20boo18boo17boo18boo20bo19bo
18boo18boo$bb3o39bobbo4boo10bobbo17bo19bo18bobboo15bobboo15bobbo16bobb
o17bo19bobbo16bobo17bobo18bo19bo$44bobo6boo9bobobo15bo19bo19bobobo15bo
bobbo14bobobo15bobobo16bobo17bobobo15bobo4bo12bobo17bo19bo$43booboo15b
ooboo15bo19bo21bo19bobboo15bobo17bobbo17bobo17bobbo14booboobbo12boobob
o15boobbo15bobo$bb3o21boo23bo31bobo17bobo60bo19boo19bobob3o13boo22b3o
14boo18bo17bobo$4bobboo17bobo22boo31bobo17bobo21boobboo74bobbo76b3o16b
obo$3bo4bo19bo21bobo32bo19boo20bobobbobo77bo95bo$7bo19bo101bobbo34boo
bboo78b3o$6bo19bo139bobobbobo77bo$6bobo17bobo57boobboo76bobbo80bo$7boo
18boo56bobobbobo$87bobbo7$161bo$boo18boo19bo39bo79bo$bbo19bo20bo39bo
76b3o$bboboo16boboo15b3o37b3o$3bobo17boobbo$9bo16boo132b3o21boo18boo
18boo18boo18boo23bo$7boo32b3o21boo14b3o21boo18boo6bo11boo15bobboo17bob
o17bobo17bobo18bo19bo21bobo$8boo33bobboo17bobo15bobboo17bobo18bobbobbo
13bo14bo4bo19bo19bo19bo18bobo17bobo20boo$4boo36bo4bo19bo14bo4bobboo15b
obboo14bobobob3o11boboo16boboo16boboo16boboo16bobo17bobo17bobo24bo$5b
oo39bo19bo20bobobo15bobobo15bobo17bobbo16bobo17bobo17bobo17bobo17bobo
17bobo23bobo$4bo41bobo17bobo19bo19bo19bo19bobo17bo19bo39boo18bo19boo
23boo9boo$47bobo17bobo79bo61boo76boo13bobo$48bo19bo142bobo72bobbobo13b
obo$211bo37boobboo29bobobbo16bobo$248bobobbobo29boo20bobo$250bobbo54bo
6$bbobbo37bo40boo18boo18boo42bobo$obobbobo33bobo41bo19bo19bo42boo65bo
3bo$boobboo35boo40bo19bo19bo44bo65bo3bo$83bo19bo19bo67bobo27bobo11bo3b
o11bobo$42bo21boo16bo19bo19bo24bobo18boo21boobo9bo16boobo26boobo$7bo
18boo14boo20bobo15boobbo15bobo17bobo23boo17bobbo23bo9bo19bo29bo$6bobo
17bobo12bobo4bo18bo17bo17bobo17bobo22bo19bobo23boo8bo19boboo3boo21bob
oo$7boo18boo19bo19bo16b3o16bobo17bo16boo18boo6bo11boo42bobo3boo22bobo$
9boo18boo17bo4bobo13bo35bo36bo7boo10bobbo16bobboo51boo$9bobo17bobo21b
oo15bobo69bobo5bobo9bobobo15bobobo51boobboo$10bo19bo23bo16boo34b3o33bo
bo4bo12bobo17bobo17boo37bobo$107bo36bo19bo19bo19boo36bo$53boo53bo94bo$
53bobo151bobo$53bo153boo$208bo14$141bo19bo19bo$46bo3bo89bobo17bobo17bo
bo$3bo29bo12bo3bo12bo18boo18boo18boo17bobo17bobo17bobo$bbobo27bobo11bo
3bo11bobo18bo19bo19bo19bo19bo19bo$3bobo9bo17bobo27bobo17boboo16boboo
16boboo16boobbo15bobo17bobo$5bo9bo19bo29bo18bobo17bobbo16bobbo18bo17bo
bo17bobo$5boo8bo19boboo3boo21boboo37bobo17bobo17b3o16bobo17bo$36bobo3b
oo22bobo18boo18bobo17bo38bo$49boo35bobo19bo$49boobboo33bo79b3o$14boo
37bobo54b3o55bo$15boo36bo56bo58bo$14bo96bo$18bobo$18boo$19bo6$38bobo
77bobo$38boo78boo$39bo79bo3$28bobo77bobo$29boo78boo$29bo79bo3$157bo$
157bobo$157boo$31bo79bo$29bobo77bobo$30boo78boo58booboo6boo$147boo22bo
bo7boo$146boo23bobbo$142bo5bo23bobo$143boo28bo$142boo$88bobbo$86bobobb
obo$87boobboo$39bo79bo$bbobo13bobo5bo10boo28bo38bo10boo$3boo13boo5bobo
6bo3boo5bobbo16boo18boo18bobo6bo3boo15bobbo$3bo15bo5boo8boo8b4o17boo
17boo18boo8boo18b4o$34boo78boo$25boo18boo19boo17boo18boo28boo$25bobo
17bobo17boo17bobo17bobo27bobo$13bo12bo19bo20bo17bo19bo29bo22boo$9boboo
49boo94bobo$7bobobboo49boo93bo$8boo52bo12$bboo20boo16boo19boo17boo18b
oo$bboboboobo13bobo17bo20bo18bo18boboboo13boo18boo42boo18boo$5booboo
12bobbobo14bo19bo20boboobo16boobbo12bo19bobbo40bo19bo$22boobboo14boo
18boo20booboo19boo12bobo17bobobo38bo19bo$43bo19bo59bobo17bobbo37bo19bo
$43bobo17bobo59bo20boo35bo19bo$44boo18boo58bo57bo4bo14bo$124boo56boobb
o15bobo$186b3o14boo3$186b3o$186bo$187bo7$5boo14boobo23boo11boo22boo19b
oo13boo18boo$4bobo14boboo17boo3bobo11bo22bobo20bo13bobbo16bobo$3bo21b
oo16bobbo15b3o18bo17boo3bo16boo19bo$bbo22bobo15bobo18bo17bo19bobbo19b
oo18bo$bbobo21bo17bo19bobo14bo20bobo20bobo18bo$3bobo59boo14bobo19bo22b
o20bo$4bo77boo64bo$147boo!
I also have syntheses for 28 12-bit ones and 29 13-bit ones and a bunch of other larger ones, most of which are trivially derived from smaller ones, but I have no plans to systematically explore these, as there are just too many of them.
The list of still-lifes in this rule is a strict subset of those in Life, as the addition of one birth condition and removal of one survival condition makes some existing ones fail. (Adding survival conditions or removing birth conditions might add new ones, although not necessarily so; e.g. adding B8 won't add any new still-lifes unless you also have at least B5).
There are 112 12-bit ones: the 121 Life ones minus 9 (2*eater with feather, python with feather, teardrop with feather, carrier bridge carrier, carrier bridge snake, snake bridge snake, carrier bridge table, and cis integral).
EDIT: Feathers can exist in some circumstances, e.g.
Code: Select all
x = 32, y = 12, rule = B2n3/S23-q
11bobbo$9bobobbobo$10boobboo$$5boo18boobbo$5bobboo15bobbobo$7boobbo14b
obobbo$10boo15bobboo$$boobboo$obobbobo$bbobbo!