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Edit 3: Unrelated P36 pi hassler made by combining a P40 partial from HDP’s collection with gourmet: x = 40, y = 63, rule = B3/S23 19b2o$19bobo$21bo$17b4ob2o2b2o$17bo4bobo2bo$15b2o2b2obob2o$14bo2b2o3b obo$13bob2o2b2obobo$13bo4bo4bo$14b3obob3o$16b2ob2o$5bo3b2o$bo2bobobo2b o$b4obob2obo$6bo2bob2o$b2ob...

With stator reductions being accepted by Catagolue, I've run my stator minimization code against all of the guntrues up to about 180, and then some sporadic periods thereafter. I've uploaded all of the following improvements, with the number of stator cells reduced: guntrue_14 - 2 cells guntrue_18 -...

p20 tub/ship hassler from H8_1: x = 15, y = 15, rule = B3/S23 b2o$o2bo$2obo$3b2o5bo$3o2bo3bobo$o2b3o4bo$b2o3bo$3b4o$3bo3b2o$4bo2bob 2o$5bobobobo$6b2obob3o$8bobo3bo$8bobobobo$9b2ob2o! A six cell stator reduction: x = 15, y = 15, rule = B3/S23 1b2o12b1$1b1o1b1o11b1$3b1o11b1$3b2o5b1o4b1$1b2o2b1o3b1o1b...

Not sure how much you've gone through, but I've run the original code on the guntrue base up to 192. I don't really know how to update Catagolue, but am glad to share my data if it would spare you some time.

Unrelated p64 beehive pusher: x = 27, y = 36, rule = B3/S23 9bo3bo3bo$8bobobobobobo$7bo2bobobobo2bo$7b3o2bobo2b3o$12bobo$7b5o3b5o $6bo13bo$7b3o7b3o$9bo7bo$7b2o4bo4b2o$7bo4bobo4bo$5bobo4bobo4bobo$5b2o 6bo6b2o4$13bo$12b3o2$12b3o$4b2o5b2ob2o5b2o$5bo15bo$5bobo2bo5bo2bobo$6b 2o2bo5bo2b2o2$11b2ob2o$13bo$...

Even more of a reduction (from 494 cells to 470 cells) by opting for a p7 support again: x = 45, y = 70, rule = B3/S23 33b2o$32bo2bo2b2o$32bobo2bobo$30b2o2b4o$29bo2b2o4bo$29b3o2b2o2bo$32bob o2bo$24b2ob4obo2b2o$22bo2bobo2bo2bobo$22b2obo5bobobo$25b2o5bo3b2obo$ 22b2o3bo5b2obob2o$21bo2b3o2b2o4bo$21bobo...

That's a reduction to the standard p10 domino fountain -- how did you find it? I've never seen it before and it isn't on LifeWiki Used my stator reduction code: https://github.com/jeremydover/CGOL-Stator-Reducer. I went through all of the sparker's in EV2's collection and did a stator reduction, an...

p30 pi-heptomino hassler: x = 44, y = 60, rule = B3/S23 22b2o$21bobo$21bo$19b2ob4o$15b2obobo4bo$15b2obobob2o2b2o$18bobo3b2o2bo $18bobob2o2b2obo8b2o$19bo4bo4bo9bo$20b3obob3o$22b2ob2o8b7o$35b2obo3bo$ 35b2o3bo2bo$36b7o$35bo$35b6o$12b2o21b2obob3o$13bo24bo4bo$13bobo21b2ob 4o$4b2o8b2o5b3o13bo$4bo15bo2bo6...

... Edit: I think that this version is even better. x = 17, y = 26, rule = B3/S23 5bobo$8bo$4bo2bo$5b4o$3b2o2$3bobo2b2o$5bo2bo4b2o$5b2obo3bo2bo$5bo4bo2b 3o$3bob2o4b2o$b3obo2b2o4b2o$o4bo6b2o2bo$b4o5bo2bob2o$9b3obo$3b2o2bo2b ob2o$3bo2bob2o$5b2ob2o$6bo$6bobo$7b2o3b2o$10bo2bo$7b6o$7bo$8b3o$10bo! The st...

P6 block hassler: x = 40, y = 24, rule = B3/S23 28bo$28b3o$10b2o2b2o2b2ob2o3b2o3bo$5b2o3b2o2b2o3bob3obo3b2obob2o$5b2o 7bobo2bobob2o2bobo2bob2o$5b2o6b2o3bo6b2o2bob2o$6bo7bo4b2o7bobobob2o$5b obo7b4obobobo4b2obobobo$3obobo9bo4bo3b2o3bo5bo$4obo12b2obobobo5b5o3bo $4bo14bo2b2obobo4bo3b4o$19bo4bob2o6b2o$2...

... Not sure if the p14 pipsquirter is actually new, but it doesn't seem too useful, for now. Very minor, but there is a 1-cell stator reduction in the p14 pipsquirter (different stabilization at bottom right): x = 20, y = 22, rule = B3/S23 6b2o12b1$1b2o2b1o2b1o11b1$1b1o1b1o2b1o1b1o11b1$3b4o2b2o9b1...

Reduced ... Looks like the p4 domino sparkers don't need to be welded; this version removes 12 cells from the stator: x = 67, y = 45, rule = B3/S23 40b2o25b1$39b1o2b1o8b2o14b1$39b3o2b6o2b1o14b1$42b2o6b2o15b1$25b2o14b1o10b3o12b1$24b1o2b1o8b2o3b2o1b1o4b1o1b1o2b1o12b1$24b3o10b1o8b2o4b2o13b1$27b10o30b1...

... Since we now have to consider population costs ... Ooh, this mod landed in Catagolue? I can start running my stator reducer on these. Here's a 2-cell stator reduction on guntrue_14: x = 72, y = 60, rule = B3/S23 38b2o3b1o2b1o2b1o22b1$38b1o2b3o2b6o4b2o14b1$39b2o3b2o6b1o3b1o15b1$26b2o5b1o2b1o5b2o...

P100 honey farm/LOM shuttle partial. Find a sparker or periodic catalyst that can replace the sacrificial pre-block... Here's a solution using a p4 catalyst found with LLS: ... There is an 8-cell stator reduction using a slightly more efficient weld between the bottom and side sparkers: x = 41, y =...

Using a smaller p4 sparker can reduce it even more, to 4655 cells: x = 95, y = 49, rule = B3/S23 41b3o21b2o3b2o2b2ob2o$16b2ob2o2b2o3b2o10bo2bo21bo4bobo2b4o$16b4o2bobo 4bo13bo22b3obob2o3b2o$16b2o3b2obob3o14bo24bo2bob3o5bo$13bo5b3obo2bo13b obo26bo6bo3bo2bo$11bo2bo3bo6bo49b3o2bo2bo$11bo2bo2b3o45b2o4b3...

While I'm on the topic of gliderless guns, here is a p44 LWSS gun: x = 95, y = 53, rule = B3/S23 41b3o25b2o3b2o$19b2o3b2o14bo2bo26bo3bo$20bo3bo18bo26bob2o2bo$18bo2b2o bo18bo24b2obobob2o$18b2obobob2o13bobo26bobobobo$19bobobobo43bob3obo$19b ob3obo44b5o$20b5o3$65b2o4b3o$21b3o4b2o34bobo5bo$22bo5bobo34b...

Well, this is technically a non-LCM p99... x = 61, y = 47, rule = B3/S23 bo4b2o16bo$obo3b2o15bobo$bo22bo$4b3obo$6b2obo16bo5b3o$7bobo14bobo8bo$ 23bo2bo5bo2bo$23b2o8bo$10bo2bo13b2o$4bo5bo2bo13b2o$3b2o4bo3bo18b3o$3b 2o5b3o4b3o12bobo$5bo4b3o4b3o12bobo$16bo3bo11b2o$16bo2bo$16bo2bo$36b2o $35bobo9b2o$35bo...

Excellent, thank you for the reference!

There is a 4-cell reduction to Guntrue_116 in the middle catalyst on the south side: x = 59, y = 55, rule = Life 31b2o$30bobo$24b2o4bo$22bo2bo2b2ob4o$22b2obobobobo2bo$25bobobobo$25bob ob2o$26bo2$39b2o$30b2o7bo$30b2o5bobo$37b2o2$9bo$9b3o$12bo$11b2o2$27b2o $3b2o23bo$3bo21b3o$2obo7bo13bo$o2b3o4bo$b2o3b...

Guntrue_110 can be reduced by a column (1218 -> 1189) using hotcrystal's p5 sparker that reduced the p55 gun. And while we're at it, we can drop 19 stator cells on the structure at right: x = 41, y = 29, rule = Life 25b2o$26bo$5bo7b2o8b2o$5b3o5bobob2o3b2ob4o$8bo6bob2o6bo3bo$7b2o5bo9bo 2bo2bo$14bob3o...

While doing some stator reduction on true period guns, I came across a lower population version of a PSE3T-5 (at least that's what dvgrn told me...thanks!), which reduces the version used in the gun by 3 cells. Clearance is slightly worse than the original version, but it works in the p69 gun. x = 1...

Got it. I'll stop spamming here in that case, unless I can find a bounding box improvement. Thanks for the guidance!

Excellent, thanks for the education dvgrn! I don't really grok circuitry beyond the highest level sense, so it is useful to see it in action. And since I'm here, the p69 glider gun in Catagolue admits a 4-cell stator reduction: it gets 1 cell from the same speed tunnel reduction as p62 and p65, but ...

The current smallest p62 glider gun in Catagolue admits a 1-cell stator reduction: x = 89, y = 65, rule = B3/S23 38b2o$37bobo9bo$33b2o2bo9b3o$33bobob2o7bo$35bo10b2o$35b4o5b3o4b2o3b2o 21bo$33b2o3bo4b3o5bo5bo19b3o$32bo2b3o4bo2bo3bobo5bobo16bo$32b2obo6b2o 5b2o7bobo15b2o$5b4o6b4o16bo23bo3b2o$5bo2bo6bo2b...

Commensurately, the current minimum p50 glider gun admits a 3-cell stator reduction: x = 36, y = 22, rule = B3/S23 11b2o4b2o17b1$11b1o1b1o2b1o1b1o17b1$13b1o2b1o11b2o6b1$12b1o4b1o3b1o2b1o3b1o1b1o5b1$12b1o4b1o3b4o5b1o5b1$12b1o4b1o7b2o2b2o1b2o2b1$6b2o6b2o4b1o1b2o1b1o1b1o3b1o1b1o2b1$4b1o2b1o12b2o1b1o1b1...