Migrating Bookends (B2ein3inry/S12-n3ce)
Posted: September 18th, 2019, 5:43 am
A nice rule. When I was rulegolfing I ran a random soup and nearly rolled over when this (12,8)c/40 spaceship appeared: (predecessor here)
The rule is named for this spaceship. (Short name "BK". It is the most common spaceship, which is why I think apgsearch is so slow.)
There's also a much less common 4c/26:
p1, p2, p3, p4, p5:
For now I will leave you with a terribly inefficient 9-engine BK rake:
Code: Select all
x = 4, y = 3, rule = B2ein3inry/S12-n3ce
2o$o2bo$b3o!
There's also a much less common 4c/26:
Code: Select all
x = 10, y = 10, rule = B2ein3inry/S12-n3ce
2o2$4b2o3$6bo$3bo2bobo$3bobo3bo$3b2o3bo$6b3o!Code: Select all
x = 73, y = 8, rule = B2ein3inry/S12-n3ce
69bo$o12bo14bobo14bobo16b2o3bo$o11b2o14bo16bob2o18bobob2o$13bo16bo33b
2obobo$30bo16bobo15bo3bo$47bobo16b2o$64bo2bo$64bo!
Code: Select all
x = 732, y = 480, rule = B2ein3inry/S12-n3ce
687b2o2b2o$687b2o3bo$687b2obobo$683bo3b5o$683bo$644bo35bo$649bo3bo26bo
$649bo3bo28b2o$647b3o$681b2obo$681bo2bo$681b2o3$662bo$661b3o$661b3o$
662bo$661bobo$661b3o5bobo$668bo$669bobo$660b3o7bo$660bobo$5b2o653bo$
664bo$660bo3bo$661bob2o$662bo$bo$2o2$9b2o676b2o2b2o$8bo678b2o3bo$14b2o
671b2obobo$7b2o6bo628b3o36bo3b5o$7bo3bo632bo38bo$7b3ob2obo629bo35bo$7b
3o9b3o627bo3bo26bo$7bo3bo9bo627bo3bo28b2o$12bo8bo7bo617b3o$12b2o2bo12b
o651b2obo$9b4o3bo16bo647bo2bo$16b3o14b2o646b2o3$662bo$661b3o$661b3o$
29b3o630bo$29bobo629bobo$29b2o630b3o5bobo$668bo$31bo637bobo$31bobo626b
3o7bo$29bo2bo627bobo$29bo6b3o14bo606bo$32bo2b2o16bo610bo$32bo2bob2o18b
o602bo3bo$34b2o21b2o602bob2o$35bo3b2o621bo$39bo2bo$40b3o2$687b2o2b2o$
687b2o3bo$687b2obobo$644b3o36bo3b5o$644bo38bo$644bo35bo$649bo3bo26bo$
649bo3bo28b2o$77bo569b3o$77bo603b2obo$81bo599bo2bo$81b2o598b2o$86bo$
85b3o$86bo575bo$661b3o$82bo2bo17b2o556b3o$81b3o578bo$82bo578bobo$661b
3o5bobo$109bo558bo$109bo559bobo$660b3o7bo$660bobo$110b2o548bo$110bo4bo
548bo$106b4o4b2o76b2o466bo3bo$108bo6bo76bo2bo465bob2o$105bo2b2o82bo
469bo$107b3o82bo3b3o$105bo2b2o83b6o$108bo4b3o71b4o$106b3o3bo2bo71bo3bo
495b2o2b2o$112bo78bo495b2o3bo$113bo16bobo55bo2bo495b2obobo$113bo16bobo
57b2o452b3o36bo3b5o$644bo38bo$644bo35bo$649bo3bo26bo$205b2o442bo3bo28b
2o$123b3o78bo442b3o$122b2o86b2o469b2obo$122bob2o77b2o6bo469bo2bo$121b
2o80bo3bo473b2o$122bo3b2o75b3ob2obo$126bo2bo73b3o9b3o$127b3o73bo3bo9bo
444bo$208bo8bo443b3o$208b2o2bo448b3o$205b4o3bo449bo$154bobo55b3o446bob
o$154bobo504b3o5bobo$668bo$669bobo$660b3o7bo$660bobo$178bo46b3o432bo$
178bo46bobo436bo$225b2o433bo3bo$181b2o478bob2o$227bo434bo$227bobo$216b
2o7bo2bo$225bo6b3o$228bo2b2o454b2o2b2o$228bo2bob2o452b2o3bo$230b2o455b
2obobo$178b2o51bo3b2o407b3o36bo3b5o$178bo2b3o51bo2bo405bo38bo$178bo3bo
53b3o405bo35bo$649bo3bo26bo$649bo3bo28b2o$202bo444b3o$202bo478b2obo$
681bo2bo$205b2o474b2o3$205b2o33b2o420bo$205bo455b3o$190b2o9bobo457b3o$
189bo11bobo458bo$195b2o464bobo$188b2o6bo464b3o5bobo$188bo3bo475bo$188b
3ob2obo473bobo$188b3o9b3o457b3o7bo$188bo3bo9bo457bobo$193bo8bo23bo433b
o$193b2o2bo28bo437bo$190b4o3bo462bo3bo$197b3o29b2o430bob2o$662bo2$229b
2o33b2o$229bo$225bobo459b2o2b2o$210b3o12bobo459b2o3bo$210bobo474b2obob
o$210b2o432b3o36bo3b5o$644bo38bo$212bo431bo35bo$212bobo70bo363bo3bo26b
o$210bo2bo71bo363bo3bo28b2o$210bo6b3o30bo396b3o$213bo2b2o32bo21bo19bob
obo384b2obo$213bo2bob2o52b2o18bobobo384bo2bo$215b2o36b2o11b2o413b2o$
216bo3b2o44b2o$220bo2bo43bo$221b3o29b2o11bo3b2o390bo$253bo17bo12bo376b
3o$249bobo20bo9b2obo6b2o367b3o$249bobo16bo2bo10bo2bo376bo$269b2o11bobo
376bobo$282b2o377b3o5bobo$288b2o11bo366bo$287bo2bo10bo367bobo$286bo2bo
19bo350b3o7bo$286bob2o19bo350bobo$274b2o11bo372bo$316bobobo343bo$316bo
bobo339bo3bo$661bob2o$662bo2$271b2o4b2o19bo$271b2o4bo20bo$275bo40b2o
369b2o2b2o$274b2o411b2o3bo$687b2obobo$644b3o36bo3b5o$292b3o30bo318bo
38bo$292bo2bo13b2o14bo318bo35bo$292bo2bo37bo315bo3bo26bo$293b3o6b2o29b
o315bo3bo28b2o$293b2o7bobo342b3o$292b3o5bo2b2o35bobobo336b2obo$292bo7b
4o36bobobo336bo2bo$294bo7b2o377b2o$292bo$292bob3o$294bo8bo18bo339bo$
302bo19bo338b3o$340b2o319b3o$662bo$661bobo$661b3o5bobo$311bo2bo34bo
318bo$311bo2bo18b2o14bo319bobo$314b2o41bo302b3o7bo$310bo2b2obo40bo302b
obo$310bo2bob2o343bo$312b2o50bobobo295bo$313bo3b2o45bobobo291bo3bo$
317bo2bo340bob2o$318b3o341bo2$346bo$346bo$364b2o321b2o2b2o$687b2o3bo$
687b2obobo$644b3o36bo3b5o$373bo270bo38bo$357b2o14bo270bo35bo$381bo267b
o3bo26bo$381bo267bo3bo28b2o$647b3o$388bobobo288b2obo$388bobobo288bo2bo
$681b2o3$370bo291bo$370bo290b3o$388b2o271b3o$662bo$661bobo$661b3o5bobo
$397bo270bo$374bo6b2o14bo271bobo$374bo30bo254b3o7bo$405bo254bobo$660bo
$412bobobo247bo$412bobobo243bo3bo$661bob2o$380bo281bo$374b2o4bo$373bo
20bo$374bo19bo$412b2o273b2o2b2o$687b2o3bo$687b2obobo$644b3o36bo3b5o$
421bo222bo38bo$398bo6b2o14bo222bo35bo$398bo30bo219bo3bo26bo$429bo219bo
3bo28b2o$647b3o$436bobobo240b2obo$389b3o44bobobo240bo2bo$389bo2bo288b
2o$389bo2bo$390b3o6b2o$390b2o7bobo16bo243bo$389b3o5bo2b2o16bo242b3o$
389bo7b4o35b2o223b3o$391bo7b2o261bo$389bo271bobo$389bob3o267b3o5bobo$
391bo8bo44bo222bo$399bo22bo6b2o14bo223bobo$422bo30bo206b3o7bo$453bo
206bobo$660bo$460bobobo199bo$408bo2bo48bobobo195bo3bo$408bo2bo249bob2o
$411b2o249bo$407bo2b2obo$407bo2bob2o28bo$409b2o31bo$410bo3b2o44b2o225b
2o2b2o$414bo2bo269b2o3bo$415b3o269b2obobo$644b3o36bo3b5o$469bo174bo38b
o$446bo6b2o14bo174bo35bo$446bo30bo171bo3bo26bo$477bo171bo3bo28b2o$647b
3o$484bobobo192b2obo$484bobobo192bo2bo$681b2o3$466bo195bo$466bo194b3o$
484b2o175b3o$662bo$661bobo$661b3o5bobo$493bo174bo$470bo6b2o14bo175bobo
$470bo30bo158b3o7bo$501bo158bobo$660bo$508bobobo151bo$508bobobo147bo3b
o$661bob2o$662bo2$490bo$490bo33bo$508b2o13b2o162b2o2b2o$687b2o3bo$687b
2obobo$644b3o36bo3b5o$644bo38bo$494bo6b2o141bo35bo$494bo154bo3bo26bo$
521b3o125bo3bo28b2o$520b2o125b3o$520bob2o8bobobo144b2obo$519b2o11bobob
o144bo2bo$520bo3b2o155b2o$524bo2bo$525b3o$514bo147bo$514bo33bo112b3o$
547b2o112b3o$662bo$661bobo$661b3o5bobo$668bo$518bo6b2o142bobo$518bo
141b3o7bo$660bobo$660bo$556bobobo103bo$556bobobo99bo3bo$661bob2o$662bo
2$538bo$538bo33bo$571b2o114b2o2b2o$687b2o3bo$687b2obobo$644b3o36bo3b5o
$644bo38bo$542bo6b2o93bo35bo$542bo106bo3bo26bo$649bo3bo28b2o$647b3o$
580bobobo96b2obo$580bobobo96bo2bo$681b2o3$562bo99bo$562bo33bo64b3o$
595b2o64b3o$662bo$661bobo$661b3o5bobo$668bo$566bo6b2o63b2o29bobo$566bo
93b3o7bo$639b3o18bobo$638bo2bo18bo$604bobobo20b2o7bo2bo22bo$604bobobo
20b2o7b2o2bo17bo3bo$639bo2b2o17bob2o$628bo5b2o4bo2bo18bo$628bo4bob2o3b
4o$586bo62bo$586bo33bo30bo$619b2o66b2o2b2o$625bo3bo57b2o3bo$625bo3bo
21b2o34b2obobo$648b2o33bo3b5o$683bo$590bo6b2o81bo$590bo89bo$682b2o$
649bo8bo$648bobo3b2o2bo22b2obo$653bob4o22bo2bo$631b2o14b2o3bo5bo22b2o$
629bo2bo15bo2bo4b3o$650bo$610bo10b2o5bo18bo2b2o4b2o4bo$610bo17b2o12b2o
3bo13b3o$646b2o13b3o$634b3o25bo$634bobo13b2o9bobo$635b2o5b2o17b3o5bobo
$668bo$614bo6b2o46bobo$614bo45b3o7bo$660bobo$660bo$664bo$660bo3bo$661b
ob2o$662bo2$634bo10b2o18b2o$634bo$687b2o2b2o$687b2o3bo$687b2obobo$683b
o3b5o$683bo$638bo6b2o33bo$638bo33bo7bo$672bo9b2o2$681b2obo$667b2o12bo
2bo$681b2o3$658bo30b2o$658bo2$691bo$689bo3$662bo$662bo33bo$669bo26bo$
669bo2$691b2o4$682bo$682bo4$691bobo22b2o$690b2obo21bo3b2o$688bo2b2o14b
o8bo$688bo17bobo8b2ob2o$687bo17bo3bo10bo$687bobo2bo12bo3bo2bo3b2o$687b
obo2bo2b3o8bo4b3o7b2o$707bobo3b2o7bo$698bo10bo3bobo5bo$700bo8b2o2b2o6b
o$691bo8bo8b2o6bo$691bo8bo11bo4bo7bo$691bo15bo3b3o11bo$693bo12bobo4bo
7b2o2b2o$706bo5bo7b3ob2obo$694b3o15bo2b2o8b3o$716bo8bo$710b2o3bo12b2o$
708bo2bo3bo12bo2bo$711bo17b3o$711bo7bo$719bo$715b2o2b2o$714b3ob2obo$
719b3o$719bo$722b2o$722bo2bo$723b3o!