Several low-period oscillators discovered recently:
p4 by C_R_116, with two Ellison p4 HW emulators hassling each other. The original form on the left — it also works if the emulators were one cell off:
EDIT: fixed typo
Code: Select all
x = 61, y = 17, rule = B3/S23
6b2o4b2obo4b2o19b2o4b2obo4b2o$5bobo4bob2o4bobo17bobo4bob2o4bobo$5bo16b
o17bo16bo$2b2ob2o2b2o6b2o2b2ob2o11b2ob2o2b2o6b2o2b2ob2o$2b2obo16bob2o
11b2obo16bob2o$5bob4o6b4obo17bob4o6b4obo$5bobo3b6o3bobo17bobo3b6o3bobo
$6bo14bo19bo14bo$11bo35b2o$4bo3bo5bo4bo20bo3bo6bo3bo$3bobo12bobo18bobo
12bobo$3bobo12bobo18bobo12bobo$2obobob10obobob2o12b2obobob10obobob2o$
2obo16bob2o12b2obo16bob2o$3bo16bo18bo16bo$3bobo4b2obo4bobo18bobo4b2obo
4bobo$4b2o4bob2o4b2o20b2o4bob2o4b2o!
There are many ways for two overweight Ellison emulators to hassle each other. They don't even need to be the same length:
Code: Select all
x = 68, y = 89, rule = B3/S23
5b2o4b2o2b2o4b2o18b2o4b2obob2o4b2o$4bobo4b2o2b2o4bobo16bobo4bob2ob2o4b
obo$4bo18bo16bo19bo$b2ob2o2b2o8b2o2b2ob2o10b2ob2o2b2o9b2o2b2ob2o$b2obo
18bob2o10b2obo19bob2o$4bob4o8b4obo16bob4o9b4obo$4bobo3b8o3bobo16bobo3b
9o3bobo$5bo16bo18bo17bo$11b2o34b2o$4bo3bo7bo4bo18bo3bo6bobo4bo$3bobo
14bobo16bobo15bobo$3bobo14bobo16bobo15bobo$2obobob12obobob2o10b2obobob
13obobob2o$2obo18bob2o10b2obo19bob2o$3bo18bo16bo19bo$3bobo4b2o2b2o4bob
o16bobo4b2ob2obo4bobo$4b2o4b2o2b2o4b2o18b2o4b2obob2o4b2o8$6b2o4b2obo4b
2o20b2o4b2ob2o4b2o$5bobo4bob2o4bobo18bobo4b2ob2o4bobo$5bo16bo18bo17bo$
2b2ob2o2b2o6b2o2b2ob2o12b2ob2o2b2o7b2o2b2ob2o$2b2obo16bob2o12b2obo17bo
b2o$5bob4o6b4obo18bob4o7b4obo$5bobo3b6o3bobo18bobo3b7o3bobo$6bo14bo20b
o15bo$11bo35bo$4bo3bo6bo4bo19bo3bo7bo4bo$3bobo13bobo17bobo14bobo$3bobo
13bobo17bobo14bobo$2obobob11obobob2o11b2obobob12obobob2o$2obo17bob2o
11b2obo18bob2o$3bo17bo17bo18bo$3bobo4b2ob2o4bobo17bobo4b2o2b2o4bobo$4b
2o4b2ob2o4b2o19b2o4b2o2b2o4b2o8$6b2o4b2obo4b2o20b2o4b2obo4b2o$5bobo4bo
b2o4bobo18bobo4bob2o4bobo$5bo16bo18bo16bo$2b2ob2o2b2o6b2o2b2ob2o12b2ob
2o2b2o6b2o2b2ob2o$2b2obo16bob2o12b2obo16bob2o$5bob4o6b4obo18bob4o6b4ob
o$5bobo3b6o3bobo18bobo3b6o3bobo$6bo14bo20bo14bo$11bo35bo$4bo3bo5bobobo
3bo17bo3bo5bo4bo3bo$3bobo15bobo15bobo16bobo$3bobo15bobo15bobo16bobo$2o
bobob13obobob2o9b2obobob14obobob2o$2obo19bob2o9b2obo20bob2o$3bo19bo15b
o20bo$3bobo4b2ob2obo4bobo15bobo4b2ob2ob2o4bobo$4b2o4b2obob2o4b2o17b2o
4b2ob2ob2o4b2o8$5b2o4b2o2b2o2b2o2b2o2b2ob2obob2obob2o2b2o2b2o2b2o2b2o
4b2o$4bobo4b2o2b2o2b2o2b2o2b2obob2obob2ob2o2b2o2b2o2b2o2b2o4bobo$4bo
59bo$b2ob2o2b2o49b2o2b2ob2o$b2obo59bob2o$4bob4o49b4obo$4bobo3b49o3bobo
$5bo57bo$16b2o5b2o6b2o5bo6b2o5b2o$4bo3bobob2o6bo6b2o6bo5b2o6bo6bo4bo$
3bobo54bobo$3bobo54bobo$2obobob52obobob2o$2obo58bob2o$3bo58bo$3bobo4b
2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o4bobo$4b2o4b2o2b2o2b2o2b
2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o2b2o4b2o!
p4 by erRoR_606 and Elijah, similar to Scrubber. The parts on the top left and bottom right are reminiscent of the p2 corner dot sparker:
Code: Select all
x = 22, y = 17, rule = B3/S23
13bo$6b2o5b3o$5bobo8bo$5bo5b3o2bo$3bob2o3bo3bob2o$6b2o2bo3bo$b3o2bobob
o3bo$o2b3o2b2ob3o5b2o$obo2bo4b2o4bo2bobo$b2o5b3ob2o2b3o2bo$7bo3bobobo
2b3o$7bo3bo2b2o$4b2obo3bo3b2obo$5bo2b3o5bo$5bo8bobo$6b3o5b2o$8bo!
p6 by 711138971756920833, with a p3 dot sparker interacting twice per period:
Code: Select all
x = 14, y = 18, rule = B3/S23
3bobo$3b2obo$b2o3bo$o2b2o2b2obo$bobobobob2o$2obob2o$4b2o$7bobo$10bo$5b
3o2b3o$4bo2b3ob2o$4b2o2bo3bo$10bo$8bo$8bo2bo$9b2obo$12bo$12b2o!
I found three related p4s using the same top component. Two copies of this component form a p4 by itself — they can be monomerized using a p4 worm component. The one on the right is a different monomer that uses a different stabilization reaction.
Code: Select all
x = 56, y = 23, rule = B3/S23
2b2o18b2o18b2o$2bobo17bobo17bobo$5bo19bo19bo$3b2obo16b2obo16b2obo$obo
3bo13bobo3bo13bobo3bo$2ob2o2b2obo9b2ob2o2b2o11b2ob2o2b2obo$3bobobob2o
12bobobobo13bobobob2o4bo$3bob2o16bob2o2bo13bob2o6b3o$4b2o18b2o3b2o13b
2o6bo$52b2o$4b2o21b6o$3bob2o19b2o4bo10bo5b3o$3bobobob2o15b2obo11bo2b5o
3bo$2ob2o2b2obo13b3ob2o11bo3b6obo$obo3bo16bobo17bo4b4o$3b2obo16bo18bo
2b3o$5bo16b2o15bo3b2obob2o$2bobo34b4o3bobo$2b2o39bob2o2bo$41b2o5b2o$
41bo$43bo$42b2o!
p5 by 711138971756920833, involving a p5 domino sparker hassling a BTS:
Code: Select all
x = 20, y = 26, rule = B3/S23
7b2o$8bo$7bo$7b2o2b2o$10bobo$5b4obo$5bo2bo2bo$9b3o3$bo6b4o6bo$obo3b8o
3bobo$b2o3b2ob2ob2o3b2o$5bo8bo$b2ob2ob2o2b2ob2ob2o$bo6bo2bo6bo$2b5obo
2bob5o$7bo4bo$4b2obo4bob2o$4bo2bob2obo2bo$2o3bobo4bobo3b2o$o2bobo2b4o
2bobo2bo$2b2ob2o6b2ob2o$5bo8bo$5bobo4bobo$6b2o4b2o!
I found this p6 which involves a p6 domino sparker hassling a xs20_8kiheg8ozx3452 and block (which becomes a grin):
Code: Select all
x = 24, y = 20, rule = B3/S23
17bo4b2o$16bobo2bobo$3bo11b2obo2bo$2bobo11bobo2bobo$bo2bo7b2o2b2o4b2o$
o3bob2o3b3o$b3obobo$3bobo8bo$4bobo7bo$4bo2bobo4bo$9bo4bo$14bo$3bo2bo7b
o$4b2o$11b3o$12b2o2b2o4b2o$16bobo2bobo$15b2obo2bo$16bobo2bobo$17bo4b2o
!
8than888 wrote: July 5th, 2026, 3:57 am
Eater trying to eat a House/Pi
Code: Select all
x = 24, y = 22, rule = B3/S23
16bo$15bobo$16bo$6bo$6b3o5b5o$9bo3bo2bo2bo$8b2o4bo3bobo$15bobo2bo$12bo
7bob2o$9b3obo5b2ob2o$9b2ob2o2$5bob3o$5b7o$5bo2bo2bo4bo$2b2o3bo2bob3o2b
o$bobo3bo2bobo4bo$bo7b2o2b3o$2o9bobo3bobo$11bo2b2o3bo$10b2o4b3o$16bo!
This component can also be combined with the p4 I found from before, or the p4 worm thing:
Code: Select all
x = 44, y = 15, rule = B3/S23
$12bo23bo$11bobo21bobo$12bo23bo$5b2o19bo$6bo3b5o11b3o5b5o$5bo3bo5bo13b
o3bo5bo$5b2o3bo3bobo11bo5bo3bobo$3b2o3bobo3bobo11bo3bobo3bobo$2bo2b2ob
o3bo3bob2o12bo3bo3bob2o$bobobo2bo6b2ob2o9bo2bo6b2ob2o$o2bob3o21b2obobo
$2o2bo27bob3o$5bo26bo4bo$4b2o25b2o3b2o!
The component on the right can be rephased to p5:
Code: Select all
x = 23, y = 36, rule = B3/S23
15bo$4b2o8bobo$4bobo8bo$7bo$5b2obo4b5o$4o2bobo3bo5bo$6o2b2o3bo3bobo$4b
o3bo2bobo3bobo$9bobo3bo3bob2o$4bo3bo2bo6b2ob2o$6o2b2o4bobo$4o2bobo$5b
2obo4bo3bo$7bo4b2ob3o$4bobo4b2o$4b2o5b2ob2o$8b2obo$7bob2o5bo$4bo2bobo
5b2o$4b3o3bobo2bo$7b3obo4bo$6bo2bobob2obo$7b3obo3bo$10bo3bo3b2o$5b4o2b
4obo2bo$4bo2bo4bob5o$4b2o2b2o9b3o$12b2o2b2o3bo$11bobo2bob3o$12bo5bo$
13b5o$17bo$15b2o$15bo$17bo$16b2o!
It's worth noting that this p4 component is just Penny lane minus one of the side supports, and a p5 rephase of the full Penny lane was known since 2019:
Scorbie wrote: October 27th, 2019, 4:21 am
Entity Valkyrie 2 wrote: October 27th, 2019, 3:25 am
Penny lane oscillator changes phase with a two-bit spark:
Code: Select all
x = 15, y = 11, rule = B3/S23
6bobo$3b2o5b2o$3bo3bo3bo$2obobo3bobob2o$2obobo3bobob2o$4bo5bo$5b5o2$7b
o$6bobo$7bo!
#C [[ STOP 5 ]]
Phase-changers are always welcome. (As long as they're accessible.)
Sadly this is hard to make into a phase-shifting oscillator, and the only one I've succeeded is the following p5:
Code: Select all
x = 15, y = 27, rule = B3/S23
7bo$6bobo$7bo2$5b5o$4bo5bo$2obobo3bobob2o$2obobo3bobob2o$3bo3bo3bo$3b
2o5b2o$6bobo$b4o5b4o$o13bo$b2obo2bo2bob2o$2bob3ob3obo$2bobob3obobo$b2o
2bobobo2b2o$4bo5bo$b2obo5bob2o$2bo9bo$o13bo$6o3b6o$7bo$2b11o$2bo9bo$3b
3o2b2o$5bo2b2o!