BlinkerSpawn wrote:16.748 in 12, maybe 11:

In 10G (improved cleanup compared to Goldtiger's implementation):

`x = 89, y = 165, rule = B3/S23`

29bo$27bobo$28b2o56b2o$85bo2bo$28b2o4bo51bobo$27bobo3b2o52bo$29bo3bobo

48bo$84bo$84bo44$36b2o48b2o$35bo2bo46bo2bo$36bobo47bobo$23bo13bo49bo$

21bobo10bo49bo$22b2o10bo40bo8bo$29bo4bo39bobo7bo$28b2o45b2o$28bobo17$

46bo$46bobo$46b2o23$36b2o37b2o$35bo2bo36bobob2o$36bobo38bobo$16bobo18b

o38b2obo$17b2o15bo43bo8bo$17bo7bo8bo40bobo8bobo$24bobo7bo40b2o9bobo$

25b2o60bo$14b2o$13bobo$15bo25$bo$b2o$obo13$25b2o48b2o$25bobob2o44bobob

2o$27bobo47bobo$26b2obo46b2obo$28bo8bo40bo$25bobo8bobo36bobo$25b2o9bob

o36b2o$37bo3$41b2o$41bobo$41bo!

BlinkerSpawn wrote:16.799 in around 10, I hope:

In 8G:

`x = 27, y = 27, rule = B3/S23`

obo$b2o$bo2$23bo$22bo$15bo6b3o$15bobo$15b2o$24bo$23bo$23b3o3$3o3bo$2bo

2b2o$bo3bobo4$18bo$17b2o$17bobo2$25b2o$24b2o$26bo!

Goldtiger997 wrote:16.716 in 8 gliders. I haven't seen that converter before, but it's probably not new.

I don't know if it's new or not but it also reduces 16.717 to 10G.

yootaa wrote:16.1847 in 10G.

It must be a better way...

Reduced the cleanup by 1G:

`x = 76, y = 80, rule = B3/S23`

60bo$58bobo$59b2o7$41bobo$42b2o$42bo2$52bobo$53b2o15bo$53bo15bo$69b3o

3$48b2o$49b2o$48bo5$46b2o26bo$47b2o24b2o$46bo26bobo49$3o$2bo$bo!

Some others.....16.1882:

`x = 139, y = 170, rule = B3/S23`

27bo$27bobo96b2o$27b2o97b2o2$27b2o97b2o$27bobo96b2o$27bo21$bo$2bo63bo$

3o61b2o$65b2o9$41bo$39b2o$40b2o94bo$135bobo$135bo2bo$136b2o$35bo5b2o$

36bo4bobo$34b3o4bo$48bo$48bobo$48b2o$26b2o$26b2o103b2o2b2o$130bo2bo2bo

$26b2o103bob3o$26b2o104bo$133bo$132b2o$47b3o$47bo$48bo26$41bo$41bobo$

41b2o3$36bo$35bobo$35bo2bo$36b2o7$79bo$31b2o2b2o41b2o51b2o2b2o$30bo2bo

2bo41bobo49bo2bo2bo$31bob3o95bob3o$32bo99bo$33bo99bo$32b2o98b2o45$31b

2o2b2o94b2o2b2o$30bo2bo2bo93bo2bo2bo$31bob3o95bob3o$32bo99bo$33bo99bo$

32b2o7bo92bo$40bo92b2o$40b3o5$24b2o16bo$25b2o14b2o$24bo16bobo$34b3o$

36bo$35bo!

16.771:

`x = 72, y = 70, rule = B3/S23`

5bo22bo$3bobo21bo$4b2o21b3o$12bo$10bobo$11b2o2$21bobo$21b2o$22bo4$69bo

$67b3o$66bo$67b5o$68bo2bo$26bo39bo$17b2o6b2o39b2o$16bobo6bobo$18bo5$

31bo$30b2o$30bobo2$8b2o$7bobo$9bo16$24bo5bo$24bobob2o$24b2o3b2o2$obo$b

2o$bo9$19bo47bobo$17b3o46bob2o$16bo49bo$17b5o45b5o$18bo2bo46bo2bo$16bo

49bo$16b2o48b2o!

16.2305 using a standard converter but where the pre-block construction has a thinner envelope:

`x = 27, y = 21, rule = B3/S23`

o$b2o$2o19bo$20bo$20b3o3$9bo$10b2o$9b2o3$17b2o$10bobo5b2o3bo$11b2o4bo

5b3o$11bo14bo$25bo$7b3o5b2o7bo$9bo6b2o5bo$8bo6bo4bobo$20b2o!

Latest list contains 22 SLs:

`16.1722 xs16_4aq32acz032 17`

16.1758 xs16_4a4o796zw121 17

16.243 xs16_2egu16426 16

16.360 xs16_2egu16413 16

16.772 xs16_3h4e1daz011 16

16.810 xs16_ca9la4z311 16

16.822 xs16_8ehikozw56 16

16.836 xs16_4aajkczx56 16

16.838 xs16_ci9b8ozw56 16

16.856 xs16_kc32acz1252 16

16.995 xs16_0raik8z643 16

16.1304 xs16_0okih3zc8421 16

16.1391 xs16_ca168ozc8421 16

16.1717 xs16_4aajk46zx121 16

16.1739 xs16_g88r2qkz121 16

16.1766 xs16_kc321e8z123 16

16.1787 xs16_069m4koz311 16

16.1929 xs16_0g5r8b5z121 16

16.1994 xs16_0g9fgka4z121 16

16.2219 xs16_0oe12koz643 16

16.2322 xs16_raak8zx1252 16

16.2630 xs16_31e8gzxo9a6 16