B35/S3478 seems to be promising for glider syntheses; here are some of mine.

My (incomplete) table of two-glider syntheses that do not simply disappear:

`x = 95, y = 15, rule = B35/S3478`

obobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobob

obobobobobobobobobobobobo2$o17bobo21bobo23bobo23bo$76bo$o2b2obo11bobo

21bobo23bobo3b2obo16bo$5bobo29bo10b2obo23b3o$o3b3o11bobo14b3o4bobo5bob

o10bo4bobo4b3o16bo$5bo8bo9b2obo7b2obo10b3o9b3o24bo$o11bobo3bobo5bobo6b

3o4bobo5bo10b2obo3bobo15bobo5bo$11b3o11b3o33b3o21b3o$o11bobo3bobo5bo

15bobo23bobo15bobo5bo$13bo73bo$o17bobo21bobo23bobo23bo2$obobobobobobob

obobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobobob

obobobobobo!

A 3-glider synthesis of probably the most common p4 around:

`x = 24, y = 9, rule = B35/S3478`

2obo$2bobo$b3o$2bo2$4b2obo14bo$6bobo11b3o$5b3o12b2obo$6bo13b3o!

A 4-glider synthesis of the following flipper:

`x = 26, y = 23, rule = B35/S3478`

2obo$2bobo$b3o$2bo2$4b2obo14bo$6bobo11b3o$5b3o12b2obo$6bo13b3o11$23bo$

22b3o$21bobo$22bob2o!

A synthesis of a c/4 orthogonal spaceship from three gliders:

`x = 31, y = 10, rule = B35/S3478`

bo28bo$b3o24bobo$ob2o23b3o$b3o24bobo$29bo2$2bo$2b3o$bob2o$2b3o!

14-glider synthesis of a p6:

`x = 35, y = 35, rule = B35/S3478`

34bo$32bobo$31b3o$15b4o13bobo$16b2o15bo$15b4o$16b2o9$3bobo23bobo$3b4o

21b4o$3b4o21b4o$3bobo23bobo10$16b2o$15b4o$16b2o$2bo12b4o$b3o$2bobo$2ob

o!

8-glider synthesis of the 6-cell phoenix:

`x = 100, y = 64, rule = B35/S3478`

99bo$97bobo$96b3o$97bobo$98bo40$37bo38bo$37b3o34bobo$36bob2o33b3o$37b

3o34bobo$75bo2$38bo$38b3o$37bob2o$38b3o$o18bo$obo14b3o$b3o13b2obo$obo

14b3o$bo2$18bo$16b3o$16b2obo$16b3o!

Here are the three oscillators which I would like to find a synthesis for.

`x = 37, y = 8, rule = B35/S3478`

2bo$bobo$o2bo30bo$b3o20b2o8b3o$4b3o15b2obo7bo2bo$4bo2bo16b2o8b3o$4bobo

27bo$5bo!