slow_salvo_synth.md

Pentadecathlon

http://www.conwaylife.com/forums/viewtopic.php?f=7&t=1072&p=8345&hilit=pentadecathlon#p8325

Predecessor

x = 7, y = 11, rule = B3/S23
2b3o7$2b3o$bo3bo$o5bo$o5bo!

Synthesis

x = 181, y = 182, rule = B3/S23
2o$2o13$9b3o$9bo$10bo13$20b3o$20bo$21bo19$66b2o$66bobo$66bo14$74b3o$
74bo$47b3o18b3o4bo$47bo20bo$48bo20bo3$74b3o$74bo$75bo3$80b3o$80bo$81bo
3$86b3o$86bo$87bo3$92b3o$92bo32b3o$93bo31bo$126bo2$98b3o$98bo$99bo4b3o
$104bo$105bo4$109b3o$109bo$110bo4$115b3o$115bo$116bo6$129b3o$129bo$
130bo4$135b3o$135bo$136bo7$148b3o$148bo$149bo3$144b3o$144bo$145bo3$
154bo$153b2o$153bobo12$151b3o$151bo$152bo23$178b3o$178bo$179bo!

Gosper glider gun

http://www.conwaylife.com/forums/viewtopic.php?f=2&t=1096&p=8145&hilit=koenig#p8145

Synthesis

#C almost a "slow salvo" construction of a p30 gun --
#C the two final gliders must be synchronized
#C H. Koenig 29 May 1997
x = 150, y = 153, rule = B3/S23
b2o$b2o3$3o$o$bo9$36b2o$36bobo$36bo2$6b2o$6bobo$6bo5$49b2o$49bobo$49bo
2$30b2o$30bobo$30bo3$55b2o$54b2o$56bo3$29b3o$29bo$30bo$43bo$42b2o$42bo
bo5$64b2o$64bobo$64bo3$55b3o$55bo$56bo7$61b3o23bo$61bo24b2o$62bo23bobo
$79b2o$78b2o$80bo2$88b3o$88bo$89bo9b2o$98b2o$100bo2$70bo$69b2o$69bobo
4$93b2o$92b2o$94bo3$87b3o$87bo$80b2o6bo6b3o$80bobo12bo$80bo15bo2$102b
3o$89bo12bo$88b2o13bo$88bobo19b2o$109b2o$111bo$117b2o$117bobo$117bo3$
89b3o$89bo$90bo30b2o$121bobo$121bo2$94b3o$94bo$95bo35b2o$130b2o$132bo
2$99b3o$99bo$100bo4$104b3o$104bo$105bo2$129b2o$128b2o$130bo10$147b3o$
147bo$148bo9$143b2o$143bobo$143bo!