For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Here is a period 644 oscillator which demonstrates an interesting old reaction.

x = 51, y = 9226boo3boo$24b3obobboo$23bo4bo$23bobboob4o$22boobobobobbo$23bobobobo$23boboboo$24bo$$37boo28boo7bo28boo5bobo9bo25boo9b3o12bo11boo3ooboooobo21boo3bo22bo3b3o4boo11b3oboo3bo3boo11bo22boobb4o21boo14b5ooobo15boo8bo13bo5bobobb3o12bobo7bobo12b3obbobo5bo13bo8boo15boboobb5o14boo21b4obbo4bo34boo3bo3boo39boo4b3o47bo47boboo46booboo338boo38bo39b3o41bo431boo5boo31boo5boo$$31bo$31boo$30bobo$38boo$38boo4$41bo$39b3o$38bo$38boo3$46booboo$47boboo$47bo$39boo4b3o$4bo34boo3bo3boo$bb5o14boo21b4obbo$bo5bo13bo8boo15boboo$bobb3o12bobo7bobo12b3obbo$oobo15boo8bo13bo5bo$obb4o21boo14b5o$boo3bo3boo11bo22bo$3b3o4boo11b3o$3bo22bo$oobo21boo$ooboo3$11boo$12bo$9b3o$9bo25boo$28boo5bobo$28boo7bo$37boo$$24bo23boboboo23bobobobo22boobobobobbo23bobboob4o23bo4bo24b3obobboo26boo3boo! The reaction is an input glider hitting three blocks arranged in the corners of a rectangle, resulting in an output glider and the same arrangement of three blocks (but flipped). The oscillator performs the reaction twice during each period. Moving pairs of the snarks further away can increase the period by any multiple of 8. The period can be reduced to 628 if the eaters of some pairs of snarks are welded together. Oscillators using the reaction were possible before, but using snarks makes it simpler and smaller. (It is fortunate that the input and output gliders of the reaction have the same color, otherwise larger glider reflectors would have been needed.) Can someone please tell me who found the reaction and when? Thanks. BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread dbell wrote:Oscillators using the reaction were possible before, but using snarks makes it simpler and smaller. (It is fortunate that the input and output gliders of the reaction have the same color, otherwise larger glider reflectors would have been needed.) One such (comparatively quite bulky) oscillator can be found in Jason Summers' pattern collection, and the RLE notes credit the original reaction to Paul Callahan — #CNoam Elkies, 5 Feb 2000#C(Based on a reaction by Paul Callahan, 12 Jul 94)x = 120, y = 134, rule = B3/S2329b3o32bo55boo28bo3bo55boobo18bo8bobobbo59bo8bo18b3o4bobbobo58bo9b3o21bo3bo3bo60boboo4bo20boo3bo66boo4boo26b3o23bo72bo22bobo70bobo18boobboo72boobboo18boo80boo$$bbo114bo$b3o$3obo110b3obo$bo3bo108boboo$bbo3bo107boobo$3bob3o104bob3o$4b3o$5bo108bo$9bo100bo$8bobo98bobo$9boo98boo$5boo106boo$4bobo106bobo$4bo5boo96boo5bo$3boo5boo96boo5boo36$36boo5boo30boo5boo$36boo5boo30boo5boo$$44bo43boo43bobo36boo44boo36boo44boo3536bo3boo5boo24boo70boo5boo4bo5boo23bobo70boo5bo4bobo106bobo5boo106boo9boo98boo8bobo98bobo9bo100bo5bo108bo4b3o3bob3o104bob3obbo3bo107boobobo3bo108boboo3obo110b3obob3obbo114bo$$18boo80boo$18boobboo72boobboo$22bobo70bobo$23bo72bo$26b3o$20boo3bo66boo4boo$21bo3bo3bo60boboo4bo$18b3o4bobbobo58bo9b3o$18bo8bobobbo59bo8bo$28bo3bo55boobo$32bo55boo$29b3o!
M. I. Wright

Posts: 330
Joined: June 13th, 2015, 12:04 pm

Here is another period 46 glider gun based on Tanner's p46 oscillator.
This one is an edge shooter.

x = 33, y = 3720boo$20bo$14booboobo$13bobobobo$13bo4bo13bo$12boo16b3o$8boo19bo$9bo19boo$9bobo$10boo5bobo$17bobo8boo$17b3o8boo$4boo$5bo$5bobo$6boobboo7bo9boo$10boo6bobo7bobo$30bo4$18bobo$19bo$o17bo$3o4bobo8bo$3bo3b3o$bbobo3bo8boo$bboo13boo$$bboobbo3b3o5bo8boo9bo6b3o6bo! BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread Here is a period 92 glider gun using my period 46 glider gun and a period 4 oscillator. x = 33, y = 4820boo20bo14booboobo13bobobobo13bo4bo13bo12boo16b3o8boo19bo9bo19boo9bobo10boo4bo3bo15boo3boo6boo14boo5boo5boo4boo9boo3boo5bo10b5o5bobo9b3o6boobboo6bo10boo7o3o12boo3bo3bo5b3o3boo3boobbobo6bo3bobobobobboo5b3o4b5o17b3obboobbo16boo3b3o11bo4bo5bo8boo6bobobbobo9bo4b4oboob4o6b3o4bo4bobbo4bo6bo5boboobo4boboobo12bobobo6bobobo11boobobo6boboboo14bo10bo14bobob4obobo11boobobo6boboboo12bobobob4obobobo12bobob3obb3obobo13bo3boboobo3bo16bobobbobo14bobobobbobobo14boo3boo3boo! The domino spark produced by the p4 oscillator inhibits every other output glider. Other period sparkers might work similarly to create occasional holes in the stream. My collection is very old so there might be a smaller p4 sparker that works here. This is the first p30 or p46 gun I know of where a p4 oscillator can successfully thin its stream. BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread The spark on Tanner's period 46 oscillator is very similar to the one on the period 15 pentadecathlon, so it can perturb things in similar ways. For example, it can reflect a glider by 180 degrees in the same way. So you can create a glider relay between these two oscillators (but the separation is pretty large). x = 209, y = 182201b8o201bob4obo201b8o1554boo5bo28boo5bobo25bobo6boobboo23bo10boo7o3o7boo3bo6boobbobo7bobboo6boo10boobboobbo3b3o5bo8boo9bo6b3o6bo! BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread The new period 46 edge-shooter glider gun can work as an in-line inverter. x = 35, y = 4920boo20bo14booboobo13bobobobo13bo4bo13bo12boo16b3o8boo19bo9bo19boo9bobo9b3o10boo5bobo3bo15bo5booboobboo25bobboo3boo4boo11b3o3bobo6bobo5bo8bo7b3o9bo5bobo6boobboo6bo10boo5b3o7o10bo9b3o3o7b3o10bo3bo6boboo8bobbobo8boobboo6boboo10b3obboo7bobbo3b3o5bo8boo9bo6b3o6bo10bboo3boobbo! Here it is used with a period 138 2-on 1-off glider stream in order to create a regular period 138 glider gun. (A large period 6 oscillator deletes every third internal glider.) x = 61, y = 5420boo20bo14booboobo13bobobobo25b3o7boo13bo4bo13bo14bo7bo12boo16b3o13bo6bobo8boo19bo19boobboo9bo11bobo5boo18boo9bobo9bobo10boo8bobbobb3o20b3obbo3bo18bobbo7bo4boo12bobo4boobo5bo11boboob4o5bobo15bo24b3o9bo6boobboo11bo23bobbo7b3o10boo5bobo26bo3bo6bo18bo27bo9bobo18bo27bo3bo6boo47bobbo48b3o6boo58bo10b3o9boo31b3oo8bo3bo9boo30bo3o6boo3bo7bo11bo9boo5boo3bo11bo17b3o8boo5bobbobo7bobbo10boo5bobo16b3obboo11bo9bobo26bo9boo3bo10bo19boobboo5bo3bo10boo19bobbo7b3o15boo16b3o3b3o23bo4bo13bo5bo19boobbobobobo8boo6boo4boobbo3booboobo9bo4b3ob4oboo11bo6b3o4bo11b4o7boo6bo7b8oboo3bo24bobo16b8obboo16bo6bobobbo19bo3boboboo18bobo3boo18bobo5b3o16boobbob4obbo17bobobbobbo16bobboo16bobobbo15boob4o22bo20b4o16boobo3bo16boobo3boo19bob3o19boo! However, this is getting pretty large. Perhaps there is a period tripling reaction for two crossing p46 glider streams. BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread dbell wrote:However, this is getting pretty large. Perhaps there is a period tripling reaction for two crossing p46 glider streams. For period tripling these days it's going to be hard to beat a tremi-Snark, but even that's not quite enough to improve on the existing p138 gun using Gabriel's p138: x = 70, y = 88, rule = LifeHistory47.2A47.A41.2A.2A.A40.A.A.A.A40.A3.BA3.3B7.A39.2A2.4B.5B4.3A35.2A6.10B3.A36.A7.4BABA2B3.2A36.A.AB2.6BABA7B37.2AB.6BA2BA2B3A39.8B3A2BA3BA39.6BA2BA7BA39.6BABA4B2A.A40.4BAB2AB4AB9.A42.8BAB9.3A43.7BA9.A44.ABA3B10.BA43.2BA3B8.A3BA2.A36.A7.BA3B7.BA2B4.3A36.3A5.5B7.A3BA6.A39.A5.3B7.6BA4.2A38.2A5.4B3.B.2A3B2AB.2B38.5B2.7BA5BA7B2A29.2A9.3B2.7BA4BA7BA.A28.A.A8.13BA5BA6B.A28.A8.B.4BA10B2A3B2A3B3.3A25.2A.2A.B3.8BABA4.11BA3B4.A26.A.A.A2B.A8B2AB7.3BA3BA5B26.A.A.2A3BA10B8.3BA2BA5B25.2A.A2.5B2A8B9.2B3A6B25.A2.4A2BAB2A6B.B2A8.9B26.2A2.A2B.B2A7B.BA.A7.6B28.2A6.7B5.A9.4B28.A7.2B.4B5.2A7.B2A2B30.A9.4B14.2A.B2A29.2A10.3BA16.BA.A42.3BA18.A43.3A18.2A1812.9B22.3AB10.13B19.3BA10.7B3A3B18.3BA9.8BABA4B6.2A8.4B3.A10.13B8.A7.4B3.A.A11.11B9.A.A8B4.A.A12.3BA2BA2B11.2A7B4.2A.2A11.4BAB2A2BA11.7B6.A10.5BABA2BABA11.8B2.2B4A3.B6.6BA3BABA6.B3.3B3A4B.2BA.A.4B3.2A11BA3B3.4B.3BABA8B3.A.5B.A2BA.9B.4B.5B.3BA2BAB2A2B4.2A8B2A28B2AB2A3B2B2A29B.12B2BA3B2A25B.6B.6B2B2A3B2A15B3A6B2.5B.5B9BA6B.6BA9B.6B.6B6B3A15B2A3B2A2B.2B2A2B.2B2A2B25B2A3BA2B.2B2ABA.AB2A2B29B2A2B.2BA2BA.A2BA2B23B2A8B.2B3AB.B3A2B.5B.4B.9B.A2BA.5B2.6B.6B.4B3.3BA11B2A3.4B2.6B.6B3.B6.ABA3BA6B6.B4.6B.6B10.ABA2BABA5B11.6B.6B11.A2B2ABA4B13.5B.5B12.2BA2BA3B13.6B.6B11.11B13.5B.5B10.13B12.5B.5B9.4BABA8B9.7B.7B10.3B3A7B9.2A.3B5.3B.2A10.13B9.2A.B2AB3.B2AB.2A12.9B15.2A5.2A! dvgrn Moderator Posts: 4358 Joined: May 17th, 2009, 11:00 pm Location: Madison, WI ### Re: Oscillator Discussion Thread Can anyone restore/replace the blocks in this incomplete p80 oscillator/junk factory that might be convertible into a gun? x = 27, y = 37, rule = B3/S2322bob2o17bo3bo16b2o7bo17bo2b2ob2o13b2ob2o2bo12bo7b2o16bo3bo12b2obo220b2o20bo3b2o22bo2bo21b3o18b2o18bob2o22bo22bob2o20b2ob2o8b3o11bo11bobo11bo11bobo8b2ob2o22bobob2o21bo2bo21b2o2bobo2ob2obobo22b2o2b2o20b2o4bo4bo5b2obo7b2o3b3obo2bob2o3bo5b2o! x₁=ηx V ⃰_η=c²√(Λη) K=(Λu²)/2 Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt)$$x_1=\eta xV^*_\eta=c^2\sqrt{\Lambda\eta}K=\frac{\Lambda u^2}2P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}

http://conwaylife.com/wiki/A_for_all

Aidan F. Pierce

A for awesome

Posts: 1571
Joined: September 13th, 2014, 5:36 pm
Location: 0x-1

Sorry for killing the party:

#C [[ STOP 181 ]]#C one-G destroy of Tanner's p46x = 25, y = 26, rule = B3/S2311b2o$12bo$12bob2ob2obo$13bobobob2o$o13bo$3o$3bo19b2o$2b2o19bo$21bobo$21b2o$3b2o7b2ob2o$3b2o7bo3bo$13b3o11$6b2o$5bobo$7bo! Ad-hoc golly python searcher script's miscellaneous results yielded the above. Naszvadi Posts: 233 Joined: May 7th, 2016, 8:53 am ### Re: Oscillator Discussion Thread I don't remember finding that block reaction. July '94 actually predates when I made gencols available (Dec '94) so I am not sure what I was using. I do remember trying out triples of blocks looking for a stable reflector, but I don't remember posting anything about it. Assuming the attribution is accurate, where is it from? (Maybe comp.theory.cell-automata? I don't think I was on the early Life list at this point either). Anyway, nice to see something working with it. I can't find it in comp.theory.cell-automata on Google groups. Any other source for this? pcallahan Posts: 74 Joined: April 26th, 2013, 1:04 pm ### Re: Oscillator Discussion Thread pcallahan wrote:I don't remember finding that block reaction. July '94 actually predates when I made gencols available (Dec '94) so I am not sure what I was using. I do remember trying out triples of blocks looking for a stable reflector, but I don't remember posting anything about it. Assuming the attribution is accurate, where is it from? (Maybe comp.theory.cell-automata? I don't think I was on the early Life list at this point either). Apparently you were indeed looking for a stable reflector at the time. Maybe the following will jog your memory. There's a boat-plus-four-eaters reaction in there that's pretty interesting -- if the return glider had been just one lane over, it would have connected nicely to a Herschel receiver/boojum reflector/rectifier. That's the second code block below, and the third code block is the three-block reaction: From: Paul Callahan Date: Tue, 12 Jul 94 10:53:06 EDT ... I've been using a collision program that is sufficient for finding individual catalysts, but I have had to combine them by hand. I took a break from this endeavor on Saturday and am not certain when I'll try again. In the close-but-no-cigar category, I submit the following: x = 201, y = 321163bo$162bo$162b3o41$59b2o$59bo$57bobo$57b2o11$62b2o$62b2o20$36b2o$35bobo$35bo$34b2o23$32b2o$22b2o8b2o$23bo$23bobo$24b2o17$54b2o$54bobo$56bo$56b2o10$b2o$obo$2bo12$44b2o$44bo$42bobo$42b2o20$16b2o$16b2o11$21b2o$20bobo$20bo$19b2o45$143b2o$143bobo$143bo81$198b2o$198bobo$198bo! x = 50, y = 523bo$3b3o$6bo$5b2o$24b2o$24bo$22bobo$22b2o5$5bo$3bobo$4b2o5$9bo$8bobo$9b2o8$2b2o$bobo$bo$2o$19b2o$19bo$20b3o$22bo13$47b2o$47bobo$47bo! x = 81, y = 802bo$obo$b2o67$72b2o5b2o$72b2o5b2o5$79b2o$79b2o$67b2o$66bobo$68bo!

x = 61, y = 3445b2o$45b2o2$60bo$58b3o$57bo$57b2o15$12bo$2obo8bobo$ob2o8b2o3$11b2o11b2o$11b2o12bo$22b3o$22bo$17b2o$17bo$18b3o$20bo!

--Paul

dvgrn
Moderator

Posts: 4358
Joined: May 17th, 2009, 11:00 pm

dvgrn wrote:Apparently you were indeed looking for a stable reflector at the time. Maybe the following will jog your memory.

Thanks! that does help. I am now pretty sure I remember being disappointed that the 3-block catalyst only shifts and does not reflect the glider, and I don't know if I ever tried to do anything else with it.
pcallahan

Posts: 74
Joined: April 26th, 2013, 1:04 pm

The following interesting oscillator showed up in a soup 2 days ago. Its core is supported by 4 mutated molds: http://catagolue.appspot.com/object/xp4_8kicjnty0tnjcik8z4aicjrfy0frjcia4zy0111y0111/b3s23
It forms from four mutated bakery predecessors surrounding an interchange predecessor, so it might be easy to synthesize:
x = 48, y = 15, rule = B3/S233bo10bo$4bo8bo21bo6bo$5bo6bo20boobo4boboo$4bo8bo18bo12bo$3bo10bo16bobobbo4bobbobo$3o12b3o12bobbo3bobbo3bobbo$6b6o19boo4bobbo4boo$5bobboobbo24bobbo$6b6o19boo4bobbo4boo$3o12b3o12bobbo3bobbo3bobbo$3bo10bo16bobobbo4bobbobo$4bo8bo18bo12bo$5bo6bo20boobo4boboo$4bo8bo21bo6bo$3bo10bo!
mniemiec

Posts: 890
Joined: June 1st, 2013, 12:00 am

I found an old period 160 glider duplicator reaction in my files which used period 8 reflectors to support the reaction in a loop. Unfortunately, the duplicated gliders are on a close path to the others, and so usually have to be deleted.

I upgraded the reaction to use snarks instead of the reflectors, and this is shown here. Also, for a bit of added interest, I used some of the extra gliders for kickbacks to make a period 640 glider relay.
The separation of the two halfs can be adjusted by multiples of 40 cells to change the size and period of the relay.

#C Period 640 glider relay built using two period 160 glider duplication#C reactions and snarks.  This is based on a previous version which#C used period 8 reflectors instead.#C David I. Bell, 30 November 2017x = 354, y = 308, rule = 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Previously, I managed to build a glider gun from the glider duplicating reaction by adding a pi heptomino glider reflecting reaction to extract the inconvenient extra gliders. This is shown below, and also shows how the p8 reflectors were used. #C Period 160 glider gun built using period 160 glider duplication#C reactions and a pi based glider reflection reaction.#C David I. Bell, June 2004x = 191, y = 189, rule = LifeHistory179.2B$178.BAB$178.3A2B$177.AB3AB$167.A8.A.2BAB$167.3A4.BA2B.A$170.A2.B3ABA$169.2A2.2B3A$169.4B2.BAB$171.BAB.2B$170.BABA.B$167.2A.B2A2B$26.2B139.2A7B$25.BAB140.7B$25.ABA2B3.BA133.7B3.2A5.2A$24.A3BAB3.2AB133.6B.2B2A5.A$14.A8.A.2BAB2.BAB2A111.2A19.11B3.BA.A$14.3A4.BA2B.A4.3A2BA110.3B17.4B2.8B.B2A$17.A2.BA3BA6.BABA.A8.A98.A3BA16.4B4.5B2A2B$16.2A2.2BABA9.A.ABAB4.3A98.A4BA14.4B5.5BABAB$2.BA12.4B2.BAB10.A2B3A2.A102.BABA.A12.4B5.7BAB.2B$2.2AB13.BAB.2B12.2ABAB2.2A103.A.ABAB9.4B5.8B3.3B$BAB2A12.BABA.B13.B2A2.4B104.A4BA7.4B5.4B3.B.3B2AB$3A2BA8.2A.B2A2B15.AB.BAB107.A3BAB.B3.A3B5.4B7.2B2ABA$.BABA.A7.2A7B15.B.ABAB106.3B3.5B2AB5.4B9.4B.A$3.A.ABAB6.7B17.2B2AB.2A104.2A.BA4BABA5.4B12.A.4B$4.A2B3A5.7B16.7B2A106.BABA5B5.4B14.AB2A2B$5.2ABA2B.B3.6B17.7B107.2B2A5B4.4B16.B2A2B$5.B2A3.12B16.7B105.2AB.8B2.4B17.3B$6.AB.BA7B2.4B15.6B105.A.AB3.11B19.2B$8.BABA5B4.4B13.8B104.A5.2A2B.6B$8.2B2A5B5.4B11.4B2.4B102.2A5.2A4.4B19.2B$6.2AB.8B5.4B9.4B4.4B113.6B17.BAB$5.A.AB3.7B5.4B7.4B6.4B111.8B16.3A2B$5.A5.2A2B.4B5.4B5.4B8.4B109.4B2.4B14.AB3AB$4.2A5.2A4.4B5.4B3.4B10.4B107.4B4.4B12.A.2BAB$18.4B5.4B.4B12.4B105.4B6.4B9.BA2B.A$19.4B5.7B14.4B103.4B8.4B7.B3ABA$20.4B5.5B16.4B101.4B10.4B3.B.3B3A$21.3BA4.5B17.4B99.4B12.8B3.BAB$22.B2AB2.7B17.4B97.4B14.7BAB.2B$23.ABA5B.4B17.4B95.4B16.5BABAB$24.6B3.4B12.A4.4B93.BA2B17.5B2A2B$24.7B3.4B11.3A3.4B91.2A2B17.8B.B2A$24.7B4.4B13.A.6B89.2B2A17.7B3.BA.A$23.7B2A4.4B11.A.A7B87.4B17.4B.2B2A5.A$24.2B2AB.2A5.4B10.BA2B.6B85.4B17.4B4.2A5.2A$23.B.ABAB9.4B10.2B3.6B83.4B17.4B$22.2B.BAB11.4B10.2B3.6B81.4B17.4B$21.3B2.4B10.4B8.B2AB3.4B2A79.4B11.2A4.4B$21.B2A2B2.2A11.2BAB8.2A5.2B2A2B77.4B12.A4.4B$20.AB2A2B2.A13.2B2A15.3BA2B4.2A69.4B10.BA.A3.4B$19.A.4B4.3A11.2A2B10.2A3.6B4.A68.4B8.B.BA.A3.4B$17.4B.A8.A12.4B10.A4.6B3.A.AB64.4B8.2A3BA3.4B$16.2B2ABA23.4B9.A.AB.7B3.A.AB.B53.2A5.4B9.2AB.3B.4B$16.2B2AB25.4B9.2AB.8B3.A3B2A44.2B5.B2AB3.4B11.B3.6B$18.3B26.4B10.10B2.3B.B2A43.BAB6.2B3.4B15.6B$18.2B28.4B9.10B2.2B3.B44.3A2B3.2B3.4B10.A4.6B$49.4B8.8BA6B46.AB3AB2.BA2B.4B9.3A3.6B$50.4B8.6B3AB.4B19.2B14.A8.A.2BAB3.A.A5B9.A5.6B$51.4B7.5BA3BAB.4B17.3A14.3A4.BA2B.A6.A.4B.2B7.2A3.6B$52.4B6.2B2AB2AB3AB.4B16.3BAB15.A2.B3ABA4.3A4.B.3B4.5B2.6B$53.4B5.BA3BA2B2A2B2.4B14.A3BAB14.2A2.2B3A5.A6.12B3.6B$54.4B2.4BABA3BAB5.4B12.A.A2BA15.4B2.BAB9.19B2A2B$55.4B.9BA2B6.4B9.A2BA.A19.BAB.2B9.7BAB2ABA8B2A$56.4B.5B3A3B7.4B7.BA3BA19.BABA.B9.7BA2BA10BAB$57.4B.4B2A4B8.4B3.B.2BA3B17.2A.B2A2B9.7B3A13B$58.8BA6B8.8B3.3A17.2A7B7.9B2A2BA9B$55.B3.2B2.10B9.7BAB.2B19.7B7.11B2ABABA6B$54.2AB.3B2.10B10.5BABAB21.7B6.13B2AB2A5B$54.2A3BA3.8B.B2A8.5B2A2B22.6B5.15B3A5B$55.B.BA.A3.7B.BA.A6.8B.B2A19.8B3.6B3.8BA3B6.A$58.BA.A3.6B4.A5.7B3.BA.A17.4B2.4B.2BA3B2.5B4.3B.B4.3A$61.A4.6B3.2A3.4B.2B2A5.A16.4B4.6BABA3.2A7.2B.4B.A$61.2A4.6B6.4B4.2A5.2A14.4B6.5B2A5.A9.5BA.A$68.6B4.4B27.4B7.6B3.3A9.4B.2BAB$69.5BA2.4B27.A3B7.7B3.A10.4B3.2B$70.2BABA5B27.B2AB7.9B12.4B3.2B$71.2B2A4B27.BABA7.6B.4B10.4B3.B2AB$72.6B27.4B7.6B3.4B8.4B5.2A$73.6B25.4B7.6B5.4B6.4B$72.8B23.4B7.6B7.4B4.4B$71.10B21.4B7.6B9.4B2.4B$70.4B2.6B19.4B7.6B11.8B$69.4B4.6B17.4B7.6B13.6B$68.4B6.6B15.4B7.6B13.7B$67.4B8.6B13.4B7.6B14.7B$66.4B10.6B11.4B7.6B14.2A7B$65.4B12.6B9.4B7.BA4B15.2A.B2A2B$64.4B14.6B7.4B7.2A4B19.BABA.B$63.4B16.6B5.4B7.2B2A2B21.BAB.2B$62.4B18.6B3.4B7.6B20.4B2.BAB$61.4B20.6B.4B7.6B21.2A2.2BABA$60.3AB22.9B7.6B23.A2.BA3BA$59.3BA24.2BA4B7.6B21.3A4.BA2B.A$58.3BA26.2B2A2B6.6B22.A8.A.2BAB$57.4B27.B2A4B4.6B33.A3BAB$56.4B27.9B2.6B35.ABA2B$55.4B27.4B.12B36.BAB$54.4B27.4B3.10B.3B34.2B$53.4B27.4B5.14B$52.4B27.4B4.2B.13B.2B$51.4B27.4B4.21B$50.4B27.4B3.25B$49.4B27.4B4.25B$48.4B27.4B4.27B$26.2B19.4B27.4B5.3BABA15BABA3B$26.3B17.4B6.2A19.4B5.4B2A17B2A4B$24.2B3A16.4B7.3B17.4B7.4BA17BA4B$24.2B3AB14.4B6.A3BA16.4B7.7B2.11B2.6B$25.B3A.B12.4B7.A4BA14.4B7.5B.B3.12B2.B.4B$27.B.3AB9.4B9.BABA.A12.4B7.5B7.B.5B.4B4.4B$28.B3A2B7.4B12.A.ABAB9.4B7.5B11.3B3.4B4.4B4.2A5.2A$29.3A3B.B3.4B14.A4BA7.4B7.5B11.5B3.4B4.4B.2B2A5.A$29.3B3.8B16.A3BAB.B3.4B7.5B13.3B5.4B4.7B3.BA.A$30.2B.BA7B17.3B3.3A5B7.5B13.5B5.4B4.8B.B2A$32.BABA5B19.2A.B5A3B7.5B14.5A6.4B4.5B2A2B$32.2B2A5B21.BA2BAB2AB7.6B13.A5BA6.4B3.5BABAB$30.2AB.8B20.2B5A2B6.6B12.3A.3B.3A5.4B.7BAB.BA$29.A.AB3.7B17.2AB.B2A5B4.4B3.3B8.A3.5B3.A5.11B3.2AB$29.A5.2A2B.4B15.A.AB3.BA5B2.4B4.3B2A2.A3.A.3A.A.4A7.5B3.B.2BAB2A$28.2A5.2A4.4B14.A5.2A2B.8B4.2A2B2A3BA3.A3.3A11.5B6.3A2BA$42.4B12.2A5.2A4.6B5.2A7BA5.A.B.B.2A.A5.7B6.BABA.A$43.4B24.7B5.B2.B4A5.2A.ABA.A.2A4.4B.4B7.A.ABAB$44.4B23.7B10.3B6.A.A2.A7.4B3.4B7.A2B3A$45.4B21.7B2A18.A2.2A7.4B5.4B7.2ABAB$46.4B21.2B2AB.2A17.2A10.4B7.4B6.B2A$47.4B19.B.ABAB31.4B9.4B6.AB$48.4B17.AB.BAB31.4B11.4B$49.4B15.B2A2.4B28.4B13.4B$50.4B14.2ABAB2.2A27.4B15.4B$51.4B12.A2B3A2.A27.4B17.4B$52.3BA10.A.ABAB4.3A23.4B19.4B$53.B2AB7.BABA.A8.A22.4B21.4B4.2A5.2A$54.ABAB5.3A2BA31.4B23.2BAB.2B2A5.A$55.4B4.BAB2A31.4B25.2B2A3B3.BA.A$56.4B5.2AB30.4B27.2A6B.B2A$57.4B4.BA30.4B29.5B2A2B$58.4B34.4B30.5BABAB$59.4B32.4B30.7BAB.2B$60.4B30.4B30.8B3.BAB$61.4B28.4B30.4B3.B.3B3A$62.4B26.4B30.4B7.B3ABA$63.4B24.4B30.4B9.BA2B.A$64.4B22.4B30.4B12.A.2BAB$65.4B20.A3B30.4B14.AB3AB$66.4B18.A3B30.4B16.3A2B$67.4B16.B3A30.4B17.BAB$68.4B14.4B30.4B19.2B$69.4B12.4B30.4B$70.4B10.4B30.4B$71.4B8.4B30.4B$72.4B6.4B30.4B$73.4B4.4B30.4B$74.4B2.4B30.4B$75.8B30.4B$76.6B30.4B$77.4B30.4B$76.6B28.4B$75.8B26.4B$74.4B2.4B24.4B$73.4B4.4B22.4B$72.4B6.4B20.4B$71.4B8.4B18.4B$70.4B10.4B16.4B$69.4B12.4B14.4B$68.4B14.4B12.4B$67.4B16.4B10.4B$66.4B18.4B8.4B$65.4B20.4B6.4B$64.4B22.4B4.4B$63.4B24.4B2.4B$62.4B26.3BA4B$61.4B28.B4AB$60.4B29.BAB3AB$59.4B30.4B3A$58.4B30.6BABA$57.4B32.A4B.2A$56.4B32.B.B2AB$55.4B32.2B.B2A$54.4B32.3B2.4B$53.4B33.B2A2B2.2A$52.4B33.AB2A2B2.A$51.4B33.A.4B4.3A$50.4B32.4B.A8.A$49.A3B32.2B2ABA$48.A3B33.2B2AB$48.3A36.3B$87.2B! To make a modern version of this without any foreign oscillators, snarks can probably be used to eliminate all the p8 reflectors, and a catalyst can eliminate the period 5 sparker, but I don't see offhand how to avoid the p8 blocker. BCNU, -dbell dbell Posts: 42 Joined: June 27th, 2013, 12:47 am ### Re: Oscillator Discussion Thread I'm just posting to acknowledge Tanner Jacobi's stable support of the p130 engine and new T-nose variants. This is primarily for record keeping. -Matthias Merzenich Sokwe Moderator Posts: 1197 Joined: July 9th, 2009, 2:44 pm ### Re: Oscillator Discussion Thread At http://www.conwaylife.com/wiki/Oscillator the 106P135 (http://www.conwaylife.com/wiki/106P135) is listed as smallest p135 oscillator. I know this is out of the common area of interest - and the 106P135 is nice, but the fumarole on 56P27 is non-trivial and smaller with only 74 cells: x = 34, y = 30, rule = B3/S2315b2o$15b2o5$13b2o$14b2o$10bo4bo$10bo3bo$10b2o7b3o$19bo2$2o21bo$2o5b2o11bob2o$6b2obo11b2o5b2o$6bo21b2o2$10bo$8b3o7b2o$15bo3bo$14bo4bo9b2o$14b2o11b2o2b2o$15b2o10bo4bo$28bo2bo$26bobo2bobo$26b2o4b2o2$13b2o$13b2o! (see generation 123) EDIT1: Similarly for p80, 122p80.1 is listed as smallest (http://www.conwaylife.com/wiki/122P80.1), but we have the fumarole on Rich's p16 which has only 52 cells: x = 22, y = 14, rule = B3/S2320b2o$17b2o2bo$17bob2o$16bo$4bo3bo7bo$3bobobobo7bob2o$4b2ob2o8b2o2bo$20b2o$bo9bo$obo7bobo$o3b2ob2o3bo$bo3bobo3bo$2b2obobob2o$4bo3bo!

2718281828

Posts: 137
Joined: August 8th, 2017, 5:38 pm

2718281828 wrote:At http://www.conwaylife.com/wiki/Oscillator the 106P135 (http://www.conwaylife.com/wiki/106P135) is listed as smallest p135 oscillator. I know this is out of the common area of interest - and the 106P135 is nice, but the fumarole on 56P27 is non-trivial and smaller with only 74 cells:
x = 34, y = 30, rule = B3/S2315b2o$15b2o5$13b2o$14b2o$10bo4bo$10bo3bo$10b2o7b3o$19bo2$2o21bo$2o5b2o11bob2o$6b2obo11b2o5b2o$6bo21b2o2$10bo$8b3o7b2o$15bo3bo$14bo4bo9b2o$14b2o11b2o2b2o$15b2o10bo4bo$28bo2bo$26bobo2bobo$26b2o4b2o2$13b2o$13b2o!
(see generation 123)

The pentadecathlon on 56P27 is nontrivial and only 68 cells (see generation 95):
x = 17, y = 10, rule = B3/S23b2ob2obo5b2o$11b4obo$2bob3o2bo2b3o$bo3b2o4b2o$o2bo2bob2o3b4o$bob2obo5bo2b2o$2b2o4bobo2b3o$bo3b5ob2obobo$2bo5bob2o$4bob2o2bobobo! (Check gen 2) Saka Posts: 2393 Joined: June 19th, 2015, 8:50 pm Location: In the kingdom of Sultan Hamengkubuwono X ### Re: Oscillator Discussion Thread Saka wrote:Following that here's a PD on Rich p16 which gives p240 with an interesting reaction a few gens later. ... Has this smiley interaction been discovered? ... Interesting. I hadn't tried different geometries; I just cloned the P80 and replaced the fumarole with a pentadecathlon to make the P240 (an its synthesis works for this one too, just by moving the pentadecathlon gliders one space). Sadly, this unusual spark trick doesn't work with a fumarole. I hadn't seen the smileys either. There seem to be two ways smileys can share sparks, although I don't see how to synthesize either one of them, as none of the known smiley syntheses edge shoot one. Smiley+pentadecathlon also works, for a true P120. mniemiec Posts: 890 Joined: June 1st, 2013, 12:00 am ### Re: Oscillator Discussion Thread A new minimal 74p78: x = 18, y = 31, rule = 23/34b3o2$6bo$6b2o$5bo$8bo$4bo3bo$9b2o$2o2b3o5bo$2o5bo4b2obo$7bo3bo3bo$7bobo5bo3$6b2o$6b2o$11b3o2$12bo2$7b2o2b3o2b2o$7bobob3obobo$8bo7bo2$8bo7bo$7bobob3obobo$7b2o2b3o2b2o2$12bo2$11b3o! which is T-nosed p6 on 34P13. I also found two unusual combinations of Rich's p16: x = 62, y = 25, rule = LifeHistory3.8B25.B5.B$2.2B3A5B23.3A3.3A$2.B2ABA5B21.5B3.5B$.BA2B2A6B19.B2A2B.A.A.2B2AB$B6A3BA3B18.BA4BA.A4BAB$.BA.B2A2BA.AB19.A5BA.A5BA$3.3A3B2A21.BA4BA.A4BAB$32.2B3A2B.2B3A2B$3.3A3B2A21.7B.7B$.BA.B2A2BA.AB19.5B2A.2A5B4.B5.B$B6A3BA3B18.4BA.A.A.A4B3.3B3.3B$.BA2B2A6B4.B5.B9.4BA3.A10BA3.A4B$2.B2ABA6B3.3B3.3B10.3B3.3B3.4BA.A.A.A4B$2.2B3A11BA3.A4B9.B5.B4.5B2A.2A5B$3.9B.4BA.A.A.A4B19.7B.7B$13.5B2A.2A5B19.7B.7B$13.7B.7B19.B5AB.B5AB$13.7B.7B19.BAB4A.4ABAB$13.B5AB.B5AB19.B2ABABA.ABAB2AB$13.BAB4A.4ABAB19.2BABA.A.A.ABA2B$13.B2ABABA.ABAB2AB20.2B3A3.3A2B$13.2BABA.A.A.ABA2B22.BAB3.BAB$14.2B3A3.3A2B24.B5.B$16.BAB3.BAB$17.B5.B! The sparks are not as special as for the PD on Rich p16, still nice. And I am not sure, but maybe some weird combination of such p16 (and p8) oscillators and maybe a few still lifes could even give us a p16 gun. 2718281828 Posts: 137 Joined: August 8th, 2017, 5:38 pm ### Re: Oscillator Discussion Thread 2718281828 wrote:I also found two unusual combinations of Rich's p16: ... The sparks are not as special as for the PD on Rich p16, still nice. And I am not sure, but maybe some weird combination of such p16 (and p8) oscillators and maybe a few still lifes could even give us a p16 gun. A true P16 would be nice, but a reaction would have to be very tight to be able to create gliders that close together without interfering with the previous gliders. mniemiec Posts: 890 Joined: June 1st, 2013, 12:00 am ### Re: Oscillator Discussion Thread 2718281828 wrote:A new minimal 74p78: x = 18, y = 31, rule = 23/34b3o2$6bo$6b2o$5bo$8bo$4bo3bo$9b2o$2o2b3o5bo$2o5bo4b2obo$7bo3bo3bo$7bobo5bo3$6b2o$6b2o$11b3o2$12bo2$7b2o2b3o2b2o$7bobob3obobo$8bo7bo2$8bo7bo$7bobob3obobo$7b2o2b3o2b2o2$12bo2$11b3o! which is T-nosed p6 on 34P13. I just noticed that http://www.conwaylife.com/wiki/Talk:Oscillator lists some of the recent 'founds' like the p135: x = 285, y = 230, rule = B3/S2349bo$49bo109b2o$48bobo110bo$49bo108bo97b2o3b3o3b2o$49bo108bo3bo92bobo9bobo$49bo93b2o3b2o8bo3b4o89bo13bo$49bo88bo2bo3bobo3bo2bo5bo91b2ob2o2b2o3b2o2b2ob2o$48bobo47b2obo6b2obo25bob2o4bobo4b2obo96b2obo13bob2o$2bob2o6bob2o33bo48bob2o6bob2o25bobob2obo3bob2obobo99bob4o3b4obo$2b2obo6b2obo33bo46b2o4b2o2b2o30b2o3bo5bo3b2o100bobo3b3o3bobo$6b2o2b2o84bo5bo3bo149bo11bo$7bo3bo85bo5bo3bo88b2o5b2obo4b2o3b2o56bo$6bo3bo85b2o4b2o2b2o89bo5bob2o4b2o3b2o56bobo$6b2o2b2o86b2obo6b2obo84bo10b2o64bobo$4b2o6bob2o14bo2bo4bo2bo56bob2o6bob2o84b2o9bo3b2o3b2o57bo$5bo6b2obo12b3o2b6o2b3o58b2o2b2o4b2o94bo2bobobobo27bo$4bo11b2o12bo2bo4bo2bo60bo3bo5bo83b2o9b2o4bobo29b3o$4b2o11bo32b2o51bo3bo5bo83bo5b2obo5b2obo32bo30b2o$2b2o12bo32b2o51b2o2b2o4b2o82bo6bob2o9b2o29b2o30b2o$3bo12b2o33bo46b2obo6b2obo26b2o3bo5bo3b2o41b2o3b2o14bo$2bo9bob2o44bo4bo32bob2o6bob2o25bobob2obo3bob2obobo45bo14bo$2b2o8b2obo42b2ob4ob2o69bob2o4bobo4b2obo40b2o4bo13b2o39bo2bo$60bo4bo72bo2bo3bobo3bo2bo42bo3b2o14bo42bo$143b2o3b2o46bo6b2obo9bo25b2o11bo4bo13b2o$196b2o5bob2o9b2o24b2o11bo3b2o13bo$256bo18b3o$257bo19bo$247bo10b3o$247bobo$246bobo$248bo$254bo3bobobo3bo$253bobo9bobo$253bobo9bobo$250b2obobob7obobob2o$250b2obo13bob2o$253bo13bo$145b2o106bobo9bobo$145b2o107b2o3b3o3b2o$47b3o90bo10bo$139bobo8bobo$47bo90bobo3bo2bo3bobo$46b2o89bobo4bo2bo4bobo$48bo49b2obo6b2obo26bo5bo2bo5bo$2bob2o6b2obo29bo52bob2o6bob2o$2b2obo6bob2o29bo3bo46b2o4b2o2b2o4b2o$6b2o2b2o4b2o25b2o51bo5bo3bo5bo26b3o8b3o$7bo2bo5bo24bo5b3o2b2o43bo5bo3bo5bo21b2o18b2o$6bo4bo5bo20bob2o4bo5b2o42b2o4b2o2b2o4b2o21b2o18b2o$6b2o2b2o4b2o20bo3bo3bo51b2obo6b2obo27b3o8b3o$4b2o6b2obo22bo5bobo51bob2o6bob2o$5bo6bob2o86b2o8b2o$4bo5b2o4b2o84bo9bo25bo5bo2bo5bo104bo$4b2o4bo5bo29b2o55bo9bo23bobo4bo2bo4bobo102bobo$2b2o7bo5bo24bo3b2o54b2o8b2o24bobo3bo2bo3bobo98bo4bobo$3bo6b2o4b2o23bobo54b2obo6b2obo27bobo8bobo98bobo2b2ob2o2b2o$2bo9b2obo21bo2b2obo54bob2o6bob2o28bo10bo100bo3bo5bo2bo$2b2o8bob2o21b2o2bo2b2o99b2o110b3o4bo2bo$42bobo85b2o13b2o103b5o4bo2bobob2o$37b6obo86bo27b2o88bo4bo5b2o2bo$37bo5bo87bobo25bo88bo2bo11b2o$40b3o89b2o23bobo85bo2bob2o$40bo96bo4bo14b2o37b2o3b2obo6b2obo29bobobo5bo$135b2ob4ob2o3bo4bo43bo3bob2o6bob2o30bo2bo4bobo$137bo4bo3b2ob4ob2o40bo8b2o2b2o4b2o31b2o2bo2bo$132b2o14bo4bo42b2o7bo3bo5bo37b2o$131bobo23b2o47bo3bo5bo28b2o$131bo25bobo36b2o7b2o2b2o4b2o26b3obo$130b2o27bo37bo3b2obo4bo5bo26bo4bo$159b2o35bo4bob2o5bo5bo26b3ob2o29b2o$196b2o7b2o2b2o4b2o28bo3bo28bo$205bo3bo5bo33bo30bo$196b2o8bo3bo5bo29bobo27b4obo$197bo7b2o2b2o4b2o28bo4bo25bo4bo$196bo4b2obo6b2obo30bob4o27bobo$196b2o3bob2o6bob2o31bo25bo4bo$248bo24bo3bo3bo$247b2o22b3o4b2ob3o$2b2obo6b2obo263bo4bo$2bob2o6bob2o23b2o2bo235bob3o$2o4b2o2b2o4b2o17b2o2b2o3bo235b2o$o5bo3bo5bo18b2o7bo222bo4b2o$bo5bo3bo5bo22b4o5b2o214bobo3bo2bo2b2o$2o4b2o2b2o4b2o31b3o214b2o3bobo4bo2bo$2b2obo4bo5bo32b2obo219bo5bobobo$2bob2o5bo5bo16b2o9bo5bobo221b2obo2bo$2o4b2o2b2o4b2o16bo2b3o4b2o4bo2bo208b2o11bo2bo$o5bo3bo5bo18b2o14b2o209bo2b2o5bo4bo$bo5bo3bo5bo22bo3b2o50b2o5b2obo4b2o3b2o141b2obobo2bo4b5o$2o4b2o2b2o4b2o22bo4bo51bo5bob2o4b2o3b2o141bo2bo4b3o$2b2obo6b2obo19b2o59bo4b2o4b2o43b3o106bo2bo5bo3bo$2bob2o6bob2o18bo2b3o56b2o3bo5bo3b2o3b2o28b2o114b2o2b2ob2o2bobo$34b2o66bo5bo2bobobobo26bob2o6bo112bobo4bo$96b2o3b2o4b2o4bobo27bo10b2o111bobo$97bo3bo5bo4b2obo30bo6bo114bo$96bo5bo5bo7b2o24b2obo10bo$96b2o3b2o4b2o8bo24b2o8bo3bo$101bo5bo8bo40b2o$96b2o4bo5bo7b2o30b2o2b3o5bo$97bo3b2o4b2o8bo30b2o5bo4b2obo$96bo6b2obo9bo38bo3bo3bo$96b2o5bob2o9b2o37bobo5bo$53bo2bo$53bo$52bo4bo96b2o$51bobo2b2o96b2o$49b2obo2$44bo212b2o6b2o$44bo4bo2bo204b2o6b2o$2b2obo4b2o3b2o26bo7b2o220bo$2bob2o4b2o3b2o25bo228bo3b4o$2o4b2o34bo4bo223bo3bo$o5bo3b2o3b2o254bo$bo5bo2bobobobo24b2o3bo227bo$2o4b2o4bobo25bo5bo194b2o29b2o7b2o$2b2obo5b2obo25bo3b2o194bobo38bobo$2bob2o9b2o223bobob2o32b2obobo$2o4b2o8bo22bo4bo105b2o44b2o3b2obo6b2obo26bobobo32bobobo$o5bo8bo28bo105b2o45bo3bob2o6bob2o28bo36bo$bo5bo7b2o26bo152bo8b2o8b2o24bo2bo34bo2bo$2o4b2o8bo17bo2bo4bo153b2o7bo9bo28bo13b2o4b2o13bo$2b2obo9bo18bo7bo163bo9bo23bo3bo12bobo4bobo12bo3bo$2bob2o9b2o16bo4bo157b2o7b2o8b2o23bo3bo12bo8bo12bo3bo$32bobo2b2o109b2o47bo3b2obo6b2obo29bo12bobo4bobo12bo$30b2obo115b2o45bo4bob2o6bob2o26bo2bo13b2o4b2o13bo2bo$145bo4bo45b2o7b2o2b2o32bo36bo$145bo3bo55bo3bo31bobobo32bobobo$30bo2bo62b2o5b2obo6b2obo28b2o7b3o39b2o8bo3bo29bobob2o32b2obobo$32b2o63bo5bob2o6bob2o37bo42bo7b2o2b2o29bobo38bobo$96bo4b2o4b2o2b2o4b2o77bo4b2obo6b2obo26b2o38b2o$96b2o3bo5bo3bo5bo17b2o21bo37b2o3bob2o6bob2o$102bo5bo3bo5bo16b2o5b2o11bob2o$96b2o3b2o4b2o2b2o4b2o22b2obo11b2o5b2o$97bo3bo5bo5b2obo24bo21b2o$96bo5bo5bo4bob2o$96b2o3b2o4b2o2b2o4b2o26bo$101bo5bo3bo5bo25b3o7b2o102b2o6b2o$96b2o4bo5bo3bo5bo31bo3bo102b2o6b2o$97bo3b2o4b2o2b2o4b2o30bo4bo$96bo6b2obo6b2obo32b2o$96b2o5bob2o6bob2o16b2o15b2o$133bobo$135b3o$134bo3bo$38b2o94b3o2bo2bo$2b2obo6b2obo22b2o99bob2o5b2o$2bob2o6bob2o22b2o94b3o2bo2bo5b2o$2o4b2o2b2o4b2o20bo13bo2bo78bo3bo$o5bo3bo5bo20bobo12bo82b3o123b2o$bo5bo3bo5bo20bobob3o6bo4bo76bobo125b2o$2o4b2o2b2o4b2o21bob4o5bobo2b2o76b2o$2b2obo4bo5bo23bo7b2obo$2bob2o5bo5bo$6b2o2b2o4b2o26bo$6bo3bo5bo17b2o7bo4bo2bo144b2o3b2obo6bob2o44b3o$7bo3bo5bo16b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However, some like the p80 are real improvements. When looking at the 61p78: It is a period 6 oscillator on 34p13, but I have never seen this oscillator before, does this x = 9, y = 9, rule = B3/S235bo$4bobo$obo2b2o$2o2bo2b2o$5bobo$6obo$o5bo$3b3o$3bo! 27p6 has a name? 2718281828 Posts: 137 Joined: August 8th, 2017, 5:38 pm ### Re: Oscillator Discussion Thread That p6 been described as a "p6 thumb" before, but I don't think it has a name. It's in the gun collection in a few places where p6 sparkers are needed, because it's the best option for squeezing the bounding box. The p72 gun is a good example: x = 40, y = 36, rule = LifeHistoryBA.B$5A.ABAB$2A.2ABAB3A12.A10.A$.BA.AB.2B.B10.3A10.3A$3.B.2B.BA.AB7.A5.A4.A5.A$3.3ABAB2A.2A5.A.6A4.6A.A$4.BABA.5A5.A.A14.A.A$10.B.AB4.2A2.2B3A4.3A2B2.2A$12.2B6.3A3BA4.A3B3A$4.B2.BA4.2B5.A.3BA6.A3B.A$2.B3A3BA2.4B5.A2B10.2BA$.B5A.A3B3AB6.A12.A$2.B.A6.6B5.3B8.3B$3.2AB4.B2A2B2A5.5B4.5B$3.2A4.2B5ABA3.2A5B2.5B2A$9.2B2A4BAB2.A3BA9B2A$8.2BAB5AB3.16B$9.B2A3BA3B.A4BA7BA4B$10.BA7BA11BABA5B$10.6BA3BA2BA7B3A4B$9.3BA3B2A3B.BA12B$10.B5ABA19B$9.BA4B2A20B$10.AB5A2B.6B6.4B$11.2A2B2AB3.4B8.2B$11.6B5.4B$7.2A3.B3AB6.4B$6.BABA7B2.2A3.4B$7.B3A.3B2.2B2AB3.4B$8.B2A6.4B5.4B$3.B3.ABAB6.3B7.4B$2.2AB.A.AB7.B3A3.B3.4B$2.ABA2BA10.2A.A.B2A3.4B$3.4AB12.2A2B2A4.3BA$3.B2AB13.2A3B6.3BA$21.4B7.3AB!
Tanner Jacobi

Kazyan

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