I ran a non-exhaustive search for interactions between two p248 puffers, looking specifically for interactions that periodically emit glider 3736s. The raw gencols output was passed to apgluxe compiled for symmetry "stdin_test" and run locally (with -t 1). Instead of just a puffer, I used the following "blocked puffer" for each of two interacting patterns (with the block placed arbitrarily to quickly stop the puffer after interaction), to speed up apgluxe by reducing the number of occurring infinite growths.
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x = 195, y = 8, rule = B357/S238
193b2o$193b2o2$o2b3o$2ob4o$b3o2b2o$2b3obo$5bo!
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gencols -rule B357/S238 -pat blockedpuffer.life blockedpuffer.life -nph 124 -tc 1 248 -filt ap > output.list
makerle < output.list > output.rlelist
apgluxe --rule b357s238 --symmetry stdin_test -t 1 -L 1 -n 10000 -i 0 < output.rlelist
The above produced the file "output.rlelist" with ~2100000 results (too large to be attached and likely not useful anyway, since the search was configured arbitrarily with "blocked puffers"). After running it through apgluxe, there were 811 sample soups producing an escaping 2c/5o spaceship, which can be found in the "filtered_xq5.rlelist" file in the attachment.
Selected results (with the two stopping blocks removed):
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#C [283/811] one sideways glider and 49-cell stationary debris every 248 ticks
x = 32, y = 27, rule = B357/S238
9bo2b3o$9b2ob4o$10b3o2b2o$11b3obo$14bo15$17bo$16b2obo$2bo14b3o$4o8b3o
3bobo3bo2b3o$2o3bo6bob2o4bo3b2ob4o$bo10b6o2bo4b3o2b2o$2b3obo8b2obo7b3o
bo$5b2o10bo11bo!
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#C [500/811] one sideways glider and 50-cell stationary debris every 248 ticks
x = 121, y = 29, rule = B357/S238
o2b3o$2ob4o$b3o2b2o$2b3obo$5bo8$89b3o$89b2obo$85b3obo2bo$85bo3b3o5bobo
$75bobo9bo14b2o11b2o$86bo8b2obo4bo14b2o$77bo13b2o5bo2bo2b3o3b2o2b2obo
2bo$74bobo13bob2o2b2ob2o2b3o4bo4bob2obo$74bobo12b2ob3o2b3o3b2o5bo4bo2b
3o$74b2obo4b3o4b2o20bo$74bo2bo2bo2b2o5bobo19bo2bo$72b2o5b2ob3o29bo$72b
o2b2o$75b2o3bo$73b3obo3bo$79bobo$79b3o!
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#C [624/811] one sideways glider and 47-cell stationary debris every 248 ticks
x = 64, y = 42, rule = B357/S238
21bo2bobo$15b3o2b3o4bo$14b2ob2o2bo4bo$14bo2bob4o2bo$13b2obo2b2o3b2o$
13b3ob2o3bo2bo2b3ob3obo12b3o$2bo10b2o7b2o3bo2b2o4b2o10b4o$bo12bo4bob2o
5bo2bo15b4o3b2o$o2bo3b2o6bo2b2o4bo5b8o7bob3o5b2o$bobo3b5o5bo6b2o4b4o4b
o5b4o3b2ob2o$8b2o13b2o6b4o2b3o11b4o$9b2o41bo$6bo$6b2o4bo$9bobo$7bo$6bo
4bo$5b3o2b2o$2b2ob3ob2o$2b4o18$56bo2b3o$56b2ob4o$57b3o2b2o$58b3obo$61bo!
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#C [739/811] one sideways glider and 41-cell stationary debris every 248 ticks
x = 60, y = 39, rule = B357/S238
51bo2b3o$51b2ob4o$52b3o2b2o$53b3obo$56bo6$13b2o$13bobo$16b2o$14b2o2bo$
12b2obo2bo$12bo4bo$12b2o$5b2o6b3o$4b5obo4bo$4b4o2b2obo$4b4o7bo$6b2o2bo
2bo2b2o6b2o17bo11b3o$9b3o3b3o6b2o17bobo7bo2bob2o$9b2o5bo2b2obobo17bo9b
o6bo$b2o12b2o5b3o8b4obo2bo2bo7bo6bo$b2o12bo3bobobo2bo5b2o5b2o3b3o5b4o
2bo$20bo3bo7bo6bo3b5o8bo$28bo3b5o6bo2bo$28bo14b2o$bo23b3o$2o$o2bo$4b2o
$3bo3$obo$2bo$3o!
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#C [801/811] one sideways glider and 41-cell stationary debris every 248 ticks
x = 136, y = 37, rule = B357/S238
o2b3o$2ob4o$b3o2b2o$2b3obo$5bo3$85bo$84bobo$86b2o$83b4o$83b2o3b2o$84b
2o2b3o$85bob3o$83b2ob3o$77bobo3b3o$79bo2b3o$81b2o$76b4ob2o3b2o$76bo2bo
3b2ob2o$76bo3bob3obo$74b2o4b3o2bo3b2o31b2o8bo$75b2obo9bo2bo10b4o15b3o
4b4o2bo$76b2o4b3o3bobo3bo6bob3o4bo2bo7bo2bo3bo6bo$81bo3bo2bobobo2bo4b
3obo4bo3bo4b2o2b5obo6bo$71b2o8bo3bo9b2o4b5o2bo8bo4bobo4bo2bob2o$71b2o
9b2obo6bo3bo5b2o3bo5bo2b3o7bo4b3o$107bob2o2bo2b2o2b3ob2o$103bob4obob2o
b3o3bo$74b2o28b4ob2o3b4o$73b4o28bob4o2b3obo$72b2o2bobo26b4o4b2o$71b2o
5bo28bo$71b2o5bo$72b2o2bo2$73b3o!
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#C [118/811] one backward glider and 29-cell stationary debris every 248 ticks
x = 22, y = 28, rule = B357/S238
18bo$9b3o2b4o2bo$9bo4bo6bo$4b3o2bobo2bo6bo$3b2ob2o7bo2bob2o$3b5o9b3o$5b2o17$o2b3o$2ob4o$b3o2b2o$2b3obo$5bo!
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#C [551/811] one backward glider and 76-cell stationary debris every 248 ticks
x = 68, y = 45, rule = B357/S238
14bobo$13bo3bo3b2obo$12bobo2bo3bo3b2o$11bo8bobo3bo$13b4o3bo3bo7bo12bo$
20bo2bo3bo3bobo10b4o$2bo18bob3obo2b2o2bo9b2ob2o$b3o22bo3bo2b2o6b2o5b2o
$2o2b2o10bo14b4obo3b4o3b2o$ob5ob3o6b2o16b4o2b4o$2o2bo3bobo3bob2o18b2o
4b3o$2bo2bo2bo5bob2o$7bo6bobo$4bo2b2o$4bobo2bo$b2o6bo$2o5b2o24$60bo2b
3o$60b2ob4o$61b3o2b2o$62b3obo$65bo!
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#C [661/811] high-period puffrake: one sideways glider and 210-cell stationary debris every 744 ticks
x = 59, y = 37, rule = B357/S238
17bo2b3o$17b2ob4o$18b3o2b2o$19b3obo$22bo9$19bo$17b3obo$17bobo2bo3bo$
12bo3b2obo4b5o$11bobobob5o4bob2o$11bo6b2o3bo3bobo$12b3ob2ob3o$14b3obo
36bo$22bo21b3o4b4o2bo$16bo6b2o2b2o15bo6bo6bo$24bo2b2obo13bo3b2obo6bo$
6b2o9bo3b2o2b3o2b2o6b3o4bo6bo2bob2o$6b2o12bo9bo16bobo4b3o$22bo8b4o5bo
7bo$32b3o3b2o$33b2o3$2bo$b2o2b2obob3o$3obo2bo4bo$4o2bo2bobo$b3o2bo$7b3o!
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#C [242/811] failed forward puffrake; up to ten gliders exist at same time
x = 29, y = 28, rule = B357/S238
21bo2b3o$21b2ob4o$22b3o2b2o$23b3obo$26bo16$21bo$2b3o14bo2bo$b3o8bob2o
2bo$o2bo3bo3bo2b2ob2o3bo2b3o$b2obo2b2o3bob3obo3bob2obo$2b3obo7bobo4b2o
bo2bo$3bobo8b3o8b2o$3b2o17b2o!
Apart from glider-emitting interactions, there were occurrences of yl136_1_31_f46baddc6587f10c72eb93215c85ae24 (mentioned in prev. post) and yl84_1_19_ea10133aa800a64646208a110b09de3c:
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#C p168 mod-84 puffer (yl84_1_19_ea10133aa800a64646208a110b09de3c)
#C [[ TRACKLOOP 168 84/168 0/168 ]]
x = 436, y = 82, rule = B357/S238
100b2o$98b4o3bo$99b2ob2o2bo$102bo3b2o$103bobo$102b2o$101b2o$95bobo2bo
2bo$94b2obo2bo4bo$94bo2bo3bo2bobo$94b2o5bo3bo$95b3o2bo3bo$9b2o84b5o7b
3o$9b2o85bobo7bobob2o$97bo10b2o2bo74b3o$108bo77bo$2o82b2o19bo4bo74bo3b
o$2o82b2o18b7o$104bo2bobo3bo69b3obo$104b3ob3obo70b2o$104b2ob2ob3o3bo
69b3o7b3o$105b2o3b2o2bob2o68b3o6bo3bo$104b4o2bo3b2o2bo58b2o4b4obo11bo$
105bob2obo4bo3bo56bo2bo8bo4b2o2bo$32b2o71bob2o8b2o4bo52b2obo5bo3bo3b4o
3bo$32b2o71bo7b5o4bobo49bo2b2o6bo2bo3b5o2bo$107b2o3b3o58bobo4bo5bo5bo
5bo$113b2o7b3o48bo5b2o10b2o4b2o$173b4o2bo10b2o2b3o20bo$173b2ob2o11b3o
2b2o20bo49bo$174b2o13b2o7b3o15b2o47bobo$182b2o6b2o5bo2bo16b5o46bo$181b
3obo11bob3o16bo2b6o38bo3bo29b2o$179b2ob2o2b2obo7bo2bo21b2o3bo34bo3bo9b
2o19b3o2bo$19b2o44bo37b2o44bo29b2o2bo3bob2o7b3o10b3o5bobo2b2o2bo33bo4b
4obo3b2o19b2o3bo$19b2o44bo37b2o44bo34bo2bo3bo21bo3b4o4bob2o32b4o2bo4b
2o23b4o3bo41bo$65bo83bo35bo3b2o20b2obo2b2obo5b3ob2o29b3o2b2o3bo2bobobo
19bo5b2o3bo35b3o56b5o$186bo2bobo19b2o6bobo3bob3o3b2obo15bo2bo3b2o2b2o
2b2obo3b2ob2o18bo7b2obo73b3o9b3o6bo4bo$177bo2bobo4b3o2b2o15bob3o2bo2b
3o4b3o5b2obo18bo3bo2b2o11b2o20bo6b4o3bobo29bobobo36bo7bob6o4bobo24bo$
179b4o10b2o13bo3b3o4b3o4bo2bo7b4o15bo4bobo3b2o30b4ob2o5bo2bo30b3o33b2o
2bo6bo5bo8bo20b4o2bo$177bobob2o9b2o15b4obo12b2o2bo5b2o2bo10b3ob2o2b7o
4b5o25bo2b2obo5b2o66bo2bo7b2o3bob2o6bo6bo13bo6bo$176b3o2b4o24b3o15b4o
4b2o4bo19bo3bobo2bo4bo20b2o2bo4bob3o3bo29b7o31b3o4bo4b2o6b2obo8b2ob2o
10bo6bo$175bo4bo2b3o26bo23b3o3bo15bo2bo3b2o4b3obo20bobo4b2ob2o4bo30bo
5bo32b2o5bo3bo2bo5bo6bo3b3ob3obo7bo2bob2o$175b6o2b2o2b3o21b4o23b2obo
12bob3o3b4o31b2obobobobo35b2ob3ob2o32b5o2bo2bo2bo5bobo11b2o2b2o9b3o$
174bo2bo6b3o3bo20b2ob2o16bo5b2obo11bo2bo4b2o2b2o31b3o3b5o34b2ob2obo35b
obobob2o3bo9b2o2bo2bo7bo$134bo39bobo11b2o20bo2b5o14b2ob2ob3o11b2o4bo2b
2o3bo32bo6b2o3bo29bo6b3o35bo2bo4b2o7bo3bob3o2bo5bo$23bo83bo25b3o34b2o
2b2o11bobo2bo17bo2bo2bo16bobo3bo11bo4bo2b2o50b2o29bo5bobo36bo2bo12bo6b
o4bo$23bo37b2o44bo24b2ob2o8b2o23b3o5b4o9bobo20b2o4bo8bobo2b2o2bo12bo3b
o4bobo48b3o29bo2b2obo43bo3bo5b3o$23bo37b2o44bo24b5o8b2o3bo3b2o14b5o2b
2o4bo9bo25b3o2bobobo3bo3bo15bob2o88b3obo38bob3obo2b2o$132b2obo20bo12b
3ob2obo2bob2o10bo24b2ob2o5b2obobo19bo91bo2b2o37bo5bo$133b3o20bo11bob5o
5b2o7bo2bo26b2ob2obo5bo2bo111b2o40bobo2bo$133bo2b2o18b2o10bo4bo16b2o
27b3o3bo2bobo2bo$131b3o21bo13b2obo4b3o39bo4bo2bo2b3o157b3o$131b2o20b2o
16bo4bo4bo7bo2bo25bo6bo$131bo2b2o15b3obo21b3obo6bo$135b2o13bo3bobo21bo
2bo6bobobo26b3o6b2o$135b2o11b3o4bobo20b3o6b6o27bobo5bobo$74b2o59bob2o
10bo3bobo2bo29bob3o29b2o4bobo$74b2o57b6o16bo2bo30b2ob2o27b3o4b3o$66b2o
68b3o12bob3obo32b3o28b3o3bo$164bo26bo27b2obo2bobo$163b3o53bo2bo3bo$
145b4o13bob2o53bo2bo$144bo2b2o12bobo55bo2bo$145bobo8bo3b3o57b2o$42b2o
82b2o26b3o4b2o$42b2o82b2o7bo4bobo12b2o$134bobo3bo2b3o$135bo5bo4bo$51b
2o80b2o3bo2bo2bobo$51b2o81b3obo3bo$134bob2o5b2o$132b3o12bo$132bo7b2o4b
3o$131bobo4bo6bo2b3o$142b2ob2o2b2o$129b2o8b2o6b3o$130b2o12bo2bo$147bo$
142bo2bobo$142bo$146bo!