15.647:

`x = 129, y = 22, rule = B3/S23`

$95bobo$96b2o$96bo3bo$100bobo$100b2o$2bobo52bo$3b2o53bo$3bo10bo41b3o

62b2o$12b2o107bo$5b3o5b2o12b2o18b2o6b3o9b2o18b2o12bo15b2o3bo$7bo19bo2b

o16bo2bo4bo11bo2bob2o13bo2bob2o6b2o15bo2bobo$6bo22b2o18b2o5bo12b2obobo

14b2obobo5bobo16b2obobo$73bo19bo29b2o$10bo42bo$9b2o42b2o$9bobo40bobo!

15.652:

`x = 155, y = 17, rule = B3/S23`

85bo$86bo$84b3o$o45bobo19b2o18b2o$b2o3bobo5bo18b2o12b2o4b2o12bo2bo2b2o

12bo2bo2b2o14b2o2b2o14b2o2b2o14b2o2b2o$2o5b2o4bo17bo2bo12bo3bo2bo13b2o

bo2bo13b2obo2bo14bobo2bo14bobo2bo14bobo2bo$7bo5b3o15b2o18b2o18b2o18b2o

18b2o18b2o18b2o$28b2obo13bo2b2obo19bo19bo19bo19bo19bo$14bo13b2o2bo10bo

bo2b2o2bo19bo19bo19bo19bo19bo$4b2o7b2o16b2o11b2o5b2o18b2o18b2o18b2o18b

2o3bo16bo$5b2o6bobo31bo87bo18bo$4bo42b2o86b3o15b2o$46bobo82b2o$7b2o41b

2o78bobo$7bobo40bobo79bo3b2o$7bo42bo86b2o$136bo!

15/658:

`x = 112, y = 31, rule = B3/S23`

$83bo$84bo$82b3o2$80bo17bo$81bo16bobo$79b3o16b2o5$97bo$54bo40b2o$15bo

36b2o42b2o$13b2o38b2o$14b2o83bo$56bo12bo19bo8b2o8b2o$55b2o12bo19bo8bob

o7bo$55bobo11bo19bo19bo$23b2o18b2o18b2o18b2o18b2o3b2o$22bo2bobo14bo2bo

bo14bo2bobo14bo2bobo14bo2bobo$3b2o2b3o12b2o2b2o14b2o2b2o14b2o2b2o14b2o

2b2o14b2o2b2o$2bobo2bo$4bo3bo3$9b2o$8b2o$10bo!

15.668:

`x = 119, y = 34, rule = B3/S23`

5$87bo$54bo33bo$54bobo21bo7b3o9bo$54b2o2b3o16bobo17bobo$58bo18bo2bo16b

o2bo$59bo18b2o18b2o3bo$93bo9bobo$72b3o18bo9b2o$93bo$95b3o$95bo$96bo4bo

$101bobo$11bo89b2o10b2o$10bo8bo93bobo$10b3o5bo9b2o18b2o18b2o18b2o18b2o

6bo$18b3o7bobo17bobo17bobo17bobo17bobo3b2o$4bobo24bob2obo14bob2obo14bo

b2obo14bob2obo14bobo$5b2o8bo16b2ob2o15b2ob2o15b2ob2o15b2ob2o15b2o$5bo

8b2o6bo$14bobo4b2o$3b3o15bobo77bo$5bo5b3o86b2o$4bo8bo86bobo$12bo!

15.708:

`x = 96, y = 45, rule = B3/S23`

12$57bo$58b2obo$50bobo4b2o2bobo$6b2o43b2o8b2o4bo$5bobo2b2o39bo14bo$7bo

2bobo46bo6b3o$10bo38b2o6b2o3b3o$50b2o6b2o2bo13bo$49bo13bo11bobo$34b2o

18b2o18bobo$34bo19bo19bo$35bo19bo19bo$32b4o16b4o16b4o$32bo19bo19bo$33b

o19bo19bo$32b2o18b2o18b2o$9b2o$9bobo$5b2o2bo$4bobo$6bo$12b3o$12bo$13bo

4$27b2o$27bobo$27bo!

15.712:

`x = 117, y = 36, rule = B3/S23`

6$8bo$7bo$7b3o51bo$62bo$60b3o2$63bobo$14bo3bobo36bo5b2o$6b2o7b2ob2o35b

obo6bo$7b2o5b2o3bo10b2o18b2o4b2o17b2o18b2o$6bo24bo19bo24bo19bo$31bobo

17bobo7bobo12bobo3b2o12bobo3b2o$15b2o15b2o18b2o7b2o14b2o3bo14b2o3bo$

16b2o16b2o18b2o6bo16b2obo16b2obo$15bo18bobo17bobo22bobo17bobo$35bo19bo

24bo$22bo$21b2o55b2ob2o$21bobo53bobobobo$79bobo!

Bob Shemyakin