A puffer that can clean up after another copy of itself?

[Pooping_Alien]

About a month ago, I found a puffer that is made up of two Coe Ships and a Schick Engine. Was this puffer known before? It has an interesting property - it can clean up after a copy of itself. This comes from HWSS-like domino spark of Coe ENgine. In the RLE, it is shown doing cleanup after two copies of itself, with its own output cleared by two HWSS's.

Code: Select all

x = 57, y = 55, rule = B3/S23
52b2o$55bo$43b2o3b2o6bo$45bo2bo7bo$42b2ob12o$42b3ob2o2b2o$44bobo$38bob
o4bo$41bo12b2o$38bobo11b2ob2o$33b2o4bo2b2o4bo3b4o$29bo4bo6bobo5bo3b2o$
29bo5bo5bo5bo2bo$29bo4bo6bobo5bo3b2o$33b2o4bo2b2o4bo3b4o$27b2o9bobo11b
2ob2o$30bo10bo12b2o$18b2o3b2o6bo6bobo4bo$20bo2bo7bo12bobo$17b2ob12o10b
3ob2o2b2o$b6o10b3ob2o2b2o15b2ob12o$o5bo12bobo23bo2bo7bo$6bo6bobo4bo22b
2o3b2o6bo$o4bo10bo12b2o24bo$2b2o9bobo11b2ob2o20b2o$8b2o4bo2b2o4bo3b4o$
4bo4bo6bobo5bo3b2o$4bo5bo5bo5bo2bo$4bo4bo6bobo5bo3b2o$8b2o4bo2b2o4bo3b
4o$2b2o9bobo11b2ob2o20b2o$o4bo10bo12b2o24bo$6bo6bobo4bo22b2o3b2o6bo$o
5bo12bobo23bo2bo7bo$b6o10b3ob2o2b2o15b2ob12o$17b2ob12o10b3ob2o2b2o$20b
o2bo7bo12bobo$18b2o3b2o6bo6bobo4bo$30bo10bo12b2o$27b2o9bobo11b2ob2o$
33b2o4bo2b2o4bo3b4o$29bo4bo6bobo5bo3b2o$29bo5bo5bo5bo2bo$29bo4bo6bobo
5bo3b2o$33b2o4bo2b2o4bo3b4o$38bobo11b2ob2o$41bo12b2o$38bobo4bo$44bobo$
42b3ob2o2b2o$42b2ob12o$45bo2bo7bo$43b2o3b2o6bo$55bo$52b2o!

[Tropylium]

This seems to be not really the puffer part doing the cleaning, just the HWSS-ish domino sidespark of the Coe ship… so you could do the same with a whole lot of basic puffers featuring a HWSS or MWSS. For a quick example, here's two copies of Puffer 1 with their HWSSs cleaning up a third one's exhaust:

Code: Select all

x = 75, y = 19, rule = B3/S23
24b3o6bo5bo6b3o$24bo2bo4b3o3b3o4bo2bo$24bo6bo2b2ob2o2bo6bo$24bo3bo2bo
3bobo3bo2bo3bo$24bo3bo3b2obobob2o3bo3bo$24bo9b2ob2o9bo$25bobo17bobo2$
32b2o5b2o$bo21bo8b3o3b3o$3o5b3o3b3o5b3o5b2obo5bob2o5b3o6bo5bo6b3o$ob2o
3bo2bo3bo2bo3b2obo5b2o9b2o4bo2bo5b3o3b3o5bo2bo$b3o3bo3bobo3bo3b3o26bo
4b2o2bobo2b2o4bo$b3o7bobo7b3o6b3o7b3o3bo3bo5b2obobob2o5bo3bo$b3o2b2o2b
o3bo2b2o2b3o3bobo3bo5bo3bo2bo3bo4b2obo3bob2o4bo3bo$b2o4bo9bo4b2o4b2ob
2o7b2ob2o5bo2bobo9bobo2bo$4bo2bo9bo2bo7bo2bob2o3b2obo2bo2bobo5bo9bo5bo
bo$5b2o11b2o9b3o9b3o8b3o11b3o$5bo13bo!

Both this and yours work exactly the same without the back puffer engines:

Code: Select all

x = 62, y = 40, rule = B3/S23
3b3o6bo5bo6b3o9b3o4bo5bo4b3o$3bo2bo4b3o3b3o4bo2bo8bo2bo3b3o3b3o3bo2bo$
3bo6bo2b2ob2o2bo6bo11bo3bob2ob2obo3bo$3bo3bo2bo3bobo3bo2bo3bo7bo3bo4b
3ob3o4bo3bo$3bo3bo3b2obobob2o3bo3bo7bo3bo4b2o3b2o4bo3bo$3bo9b2ob2o9bo
11b2o13b2o$4bobo17bobo12b2o6bo6b2o$37bobo6bobo6bobo$11b2o5b2o17b3o5bo
3bo5b3o$2bo8b3o3b3o19b2o6bo6b2o$b3o5b2obo5bob2o5b3o9b3o11b3o$2obo5b2o
9b2o4bo2bo8b2o2bo9bo2b2o$3o26bo7bo2b2o11b2o2bo$3o6b3o7b3o3bo3bo7bob2o
4b2ob2o4b2obo$3o3bobo3bo5bo3bo2bo3bo9b2o4bo3bo4b2o$b2o4b2ob2o7b2ob2o5b
o13bo2b3o2bo$7bo2bob2o3b2obo2bo2bobo13bobo5bobo$8b3o9b3o22bo3bo$42bobo
5bobo3$47bo$45b2ob2o$45bo3bo2$52b3o4bo$51bo2bo3b3o$46b3o5bo3bob2o$50bo
3bo4b3o$50bo3bo4b2o$54b2o$54b2o$52bobo$52b3o$54b2o$54b3o$53b2o2bo$52bo
2b2o$52bob2o$54b2o!

If you had two copies of a puffer's exhaust cleaning up each other, or even just one of them cleaning the other, that'd be more interesting I think…

(A trivial example of this would be rakes, of course)

[Pooping_Alien]

I know, but with the puffer engines the Three Smokes puffer is triangular. It can be turned into an arbitrarily-large Sierpinsky ship.

Code: Select all

#CXRLE Pos=-66,-266 Gen=384
x = 107, y = 115, rule = B3/S23
102b2o$105bo$93b2o3b2o6bo$95bo2bo7bo$92b2ob12o$92b3ob2o2b2o$94bobo$88b
obo4bo$91bo12b2o$88bobo11b2ob2o$83b2o4bo2b2o4bo3b4o$79bo4bo6bobo5bo3b
2o$79bo5bo5bo5bo2bo$79bo4bo6bobo5bo3b2o$83b2o4bo2b2o4bo3b4o$77b2o9bobo
11b2ob2o$80bo10bo12b2o$68b2o3b2o6bo6bobo4bo$70bo2bo7bo12bobo$67b2ob12o
10b3ob2o2b2o$67b3ob2o2b2o15b2ob12o$69bobo23bo2bo7bo$63bobo4bo22b2o3b2o
6bo$66bo12b2o24bo$63bobo11b2ob2o20b2o$58b2o4bo2b2o4bo3b4o$54bo4bo6bobo
5bo3b2o$54bo5bo5bo5bo2bo$54bo4bo6bobo5bo3b2o$58b2o4bo2b2o4bo3b4o$52b2o
9bobo11b2ob2o20b2o$55bo10bo12b2o24bo$43b2o3b2o6bo6bobo4bo22b2o3b2o6bo$
45bo2bo7bo12bobo23bo2bo7bo$42b2ob12o10b3ob2o2b2o15b2ob12o$42b3ob2o2b2o
15b2ob12o10b3ob2o2b2o$44bobo23bo2bo7bo12bobo$38bobo4bo22b2o3b2o6bo6bob
o4bo$41bo12b2o24bo10bo12b2o$38bobo11b2ob2o20b2o9bobo11b2ob2o$33b2o4bo
2b2o4bo3b4o27b2o4bo2b2o4bo3b4o$29bo4bo6bobo5bo3b2o24bo4bo6bobo5bo3b2o$
29bo5bo5bo5bo2bo28bo5bo5bo5bo2bo$29bo4bo6bobo5bo3b2o24bo4bo6bobo5bo3b
2o$33b2o4bo2b2o4bo3b4o27b2o4bo2b2o4bo3b4o$27b2o9bobo11b2ob2o31bobo11b
2ob2o$30bo10bo12b2o35bo12b2o$18b2o3b2o6bo6bobo4bo42bobo4bo$20bo2bo7bo
12bobo47bobo$17b2ob12o10b3ob2o2b2o40b3ob2o2b2o$b6o10b3ob2o2b2o15b2ob
12o35b2ob12o$o5bo12bobo23bo2bo7bo38bo2bo7bo$6bo6bobo4bo22b2o3b2o6bo36b
2o3b2o6bo$o4bo10bo12b2o24bo49bo$2b2o9bobo11b2ob2o20b2o48b2o$8b2o4bo2b
2o4bo3b4o$4bo4bo6bobo5bo3b2o$4bo5bo5bo5bo2bo$4bo4bo6bobo5bo3b2o$8b2o4b
o2b2o4bo3b4o$2b2o9bobo11b2ob2o20b2o48b2o$o4bo10bo12b2o24bo49bo$6bo6bob
o4bo22b2o3b2o6bo36b2o3b2o6bo$o5bo12bobo23bo2bo7bo38bo2bo7bo$b6o10b3ob
2o2b2o15b2ob12o35b2ob12o$17b2ob12o10b3ob2o2b2o40b3ob2o2b2o$20bo2bo7bo
12bobo47bobo$18b2o3b2o6bo6bobo4bo42bobo4bo$30bo10bo12b2o35bo12b2o$27b
2o9bobo11b2ob2o31bobo11b2ob2o$33b2o4bo2b2o4bo3b4o27b2o4bo2b2o4bo3b4o$
29bo4bo6bobo5bo3b2o24bo4bo6bobo5bo3b2o$29bo5bo5bo5bo2bo28bo5bo5bo5bo2b
o$29bo4bo6bobo5bo3b2o24bo4bo6bobo5bo3b2o$33b2o4bo2b2o4bo3b4o27b2o4bo2b
2o4bo3b4o$38bobo11b2ob2o20b2o9bobo11b2ob2o$41bo12b2o24bo10bo12b2o$38bo
bo4bo22b2o3b2o6bo6bobo4bo$44bobo23bo2bo7bo12bobo$42b3ob2o2b2o15b2ob12o
10b3ob2o2b2o$42b2ob12o10b3ob2o2b2o15b2ob12o$45bo2bo7bo12bobo23bo2bo7bo
$43b2o3b2o6bo6bobo4bo22b2o3b2o6bo$55bo10bo12b2o24bo$52b2o9bobo11b2ob2o
20b2o$58b2o4bo2b2o4bo3b4o$54bo4bo6bobo5bo3b2o$54bo5bo5bo5bo2bo$54bo4bo
6bobo5bo3b2o$58b2o4bo2b2o4bo3b4o$63bobo11b2ob2o20b2o$66bo12b2o24bo$63b
obo4bo22b2o3b2o6bo$69bobo23bo2bo7bo$67b3ob2o2b2o15b2ob12o$67b2ob12o10b
3ob2o2b2o$70bo2bo7bo12bobo$68b2o3b2o6bo6bobo4bo$80bo10bo12b2o$77b2o9bo
bo11b2ob2o$83b2o4bo2b2o4bo3b4o$79bo4bo6bobo5bo3b2o$79bo5bo5bo5bo2bo$
79bo4bo6bobo5bo3b2o$83b2o4bo2b2o4bo3b4o$88bobo11b2ob2o$91bo12b2o$88bob
o4bo$94bobo$92b3ob2o2b2o$92b2ob12o$95bo2bo7bo$93b2o3b2o6bo$105bo$102b
2o!

Edit: As of rakes, the p64 backrake can have its gliders converted to frontal and turn into bi-blocks by using the wings of a Slow Puffer 1:

Code: Select all

x = 162, y = 105, rule = B3/S23
47b2o$45bo4bo$51bo$45bo5bo$46b6o3$60b5o6b2o$59bo4bo4bo4bo$64bo10bo$59b
o3bo5bo5bo$49b2o10bo8b6o$48b3o$50bo$48b2o10b3o16bo2bo$62bo20bo$61bo17b
o3bo$51b4o25b4o$50b6o17b2o$40bobo7b4ob2o15b2obo$41b2o11b2o16bo2bo$41bo
30b3o$73b2o4$69b6o21b2o$32bobo33bo5bo20b2o$33b2o39bo22bo$33bo34bo4bo$
70b2o4$120b2o$24bobo92b2o$25b2o94bo$25bo$145b6o6b2o$144bo5bo4bo4bo$
150bo10bo$120b5o19bo4bo5bo5bo$119bo4bo17bo3b2o8b6o$b3o12bobo41b5o59bo
16bobo$5o12b2o40bo4bo18b4o32bo3bo16bo2bo$3ob2o11bo46bo16b3ob2o34bo18b
4obo9b3o$3b2o54bo3bo16b2o3bo53b3ob2obo8b2o$61bo18b5o40b2o14b2obo3bo10b
o$82bobo22b2o15bo2bo13b2obob3o10b2o$62b2o30b2o10bo2bo4b2o2b2o4bobo7b2o
7bobobobobo8b2o$8b2o52b2o23b2o5b2o11b2o4bo4b2o5bo8b2o8b2obobobob2o4b2o
$8b2o77b2o56b3obob4o2$8b2o77b2o56b3obob4o$8b2o52b2o23b2o5b2o11b2o4bo4b
2o5bo8b2o8b2obobobob2o4b2o$62b2o30b2o10bo2bo4b2o2b2o4bobo7b2o7bobobobo
bo8b2o$82bobo22b2o15bo2bo13b2obob3o10b2o$61bo18b5o40b2o14b2obo3bo10bo$
3b2o54bo3bo16b2o3bo53b3ob2obo8b2o$3ob2o11bo46bo16b3ob2o34bo18b4obo9b3o
$5o12b2o40bo4bo18b4o32bo3bo16bo2bo$b3o12bobo41b5o59bo16bobo$119bo4bo
17bo3b2o8b6o$120b5o19bo4bo5bo5bo$150bo10bo$144bo5bo4bo4bo$145b6o6b2o$
25bo$25b2o94bo$24bobo92b2o$120b2o4$70b2o$33bo34bo4bo$33b2o39bo22bo$32b
obo33bo5bo20b2o$69b6o21b2o4$73b2o$41bo30b3o$41b2o11b2o16bo2bo$40bobo7b
4ob2o15b2obo$50b6o17b2o$51b4o25b4o$61bo17bo3bo$62bo20bo$48b2o10b3o16bo
2bo$50bo$48b3o$49b2o10bo8b6o$59bo3bo5bo5bo$64bo10bo$59bo4bo4bo4bo$60b
5o6b2o3$46b6o$45bo5bo$51bo$45bo4bo$47b2o!

[Tropylium]

I know, but with the puffer engines the Three Smokes puffer is triangular. It can be turned into an arbitrarily-large Sierpinsky ship

I don't think I really grasp what's so special about things that can be arranged in a triangular or Sierpinsky shape? It's easy to make eg. a triangle of heavyweight Schicks (linked by minor spark interaction):

Code: Select all

x = 75, y = 69, rule = B3/S23
33b3o3b3o$33bo2bobo2bo$33bo7bo$33bo7bo$33bo7bo$33bo7bo$34bobobobo2$37b
o$36b3o$36b3o4$35bo3bo$35bo3bo$22b3o3b3o3bobobobo3b3o3b3o$22bo2bobo2bo
5b3o5bo2bobo2bo$22bo7bo5b3o5bo7bo$22bo7bo6bo6bo7bo$22bo7bo13bo7bo$22bo
7bo13bo7bo$23bobobobo15bobobobo2$26bo21bo$25b3o19b3o$24b2ob2o17b2ob2o$
25b3o19b3o$25b3o19b3o$25b3o19b3o$25bobo19bobo$25bobo19bobo$26bo6b3o3b
3o6bo6b3o3b3o$11b3o3b3o13bo2bobo2bo13bo2bobo2bo$11bo2bobo2bo9bo3bo7bo
3bo5bo3bo7bo$11bo7bo3bo5bo3bo7bo3bo5bo3bo7bo$11bo7bo2bo7bo2bo7bo2bo7bo
2bo7bo$11bo7bo13bo7bo13bo7bo$11bo7bo14bobobobo15bobobobo$12bobobobo$
37bo21bo$15bo20b3o19b3o$14b3o18b2ob2o17b2ob2o$13b2ob2o17b2ob2o17b2ob2o
$13b2ob2o18bobo19bobo$14bobo20bo21bo$15bo2$35b2ob2o4b3o3b3o4b2ob2o4b3o
3b3o$3o3b3o4b2ob2o4b3o3b3o3bo5bo3bo2bobo2bo3bo5bo3bo2bobo2bo$o2bobo2bo
3bo5bo3bo2bobo2bo4bo3bo4bo7bo4bo3bo4bo7bo$o7bo4bo3bo4bo7bo5b3o5bo7bo5b
3o5bo7bo$o7bo5b3o5bo7bo5bobo5bo7bo5bobo5bo7bo$o7bo5bobo5bo7bo6bo6bo7bo
6bo6bo7bo$o7bo6bo6bo7bo6bo7bobobobo7bo7bobobobo$bobobobo7bo7bobobobo$
48bo21bo$4bo21bo20b3o19b3o$3b3o19b3o19b3o19b3o$3b3o19b3o3$46bo3bo17bo
3bo$2bo3bo17bo3bo17bo3bo17bo3bo$2bo3bo17bo3bo16bobobobo15bobobobo$bobo
bobo15bobobobo17b3o19b3o$3b3o19b3o19b3o19b3o$3b3o19b3o20bo21bo$4bo21bo
!

Eg. hivenudgers could also be easily linked, but this still doesn't really strike me as much more impressiv than, say, just making a pseudo still life with some specific shape out of ponds…

Code: Select all

x = 39, y = 39, rule = B3/S23
b2o3b2o3b2o3b2o3b2o3b2o3b2o3b2o$o2bobo2bobo2bobo2bobo2bobo2bobo2bobo2b
o$o2bobo2bobo2bobo2bobo2bobo2bobo2bobo2bo$b2o3b2o3b2o3b2o3b2o3b2o3b2o
3b2o2$b2o8b2o8b2o8b2o$o2bo6bo2bo6bo2bo6bo2bo$o2bo6bo2bo6bo2bo6bo2bo$b
2o8b2o8b2o8b2o2$b2o3b2o13b2o3b2o$o2bobo2bo11bo2bobo2bo$o2bobo2bo11bo2b
obo2bo$b2o3b2o13b2o3b2o2$b2o18b2o$o2bo16bo2bo$o2bo16bo2bo$b2o18b2o2$b
2o3b2o3b2o3b2o$o2bobo2bobo2bobo2bo$o2bobo2bobo2bobo2bo$b2o3b2o3b2o3b2o
2$b2o8b2o$o2bo6bo2bo$o2bo6bo2bo$b2o8b2o2$b2o3b2o$o2bobo2bo$o2bobo2bo$b
2o3b2o2$b2o$o2bo$o2bo$b2o!

[Pooping_Alien]

Maybe it's just that my mind is malformed...
Besides, I call the Pond "4x4 superpixel".