Rules with interesting replicators

For discussion of other cellular automata.
1and0nlycordershippr
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Re: Rules with interesting replicators

Post by 1and0nlycordershippr »

NimbleRogue wrote: January 20th, 2026, 6:16 pm
WhiteHawk wrote: January 20th, 2026, 2:32 am This is a failed replicator, so not sure if this belongs here
I don't see why not, there are tons of failed or partial replication reactions here, in addition to clean ones.

Sylvie found an interesting failedrep rulespace

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x = 3, y = 3, rule = B3ai4jnqw5r6e/S2-in3eijr4aiz
bo$b2o$2o!
Here is a (18,6)c/254 SMOFRMOFR based on it (Spaceship made of failed replicators that are made of failed replicators)

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x = 11, y = 9, rule = B3ai4ijknqwy5knr6ekn/S2-in3-acnq4aei5ik6-ai7e
7b2o$6bobo$6b3o2$10bo2$o$obo$3o!
There are some decently high period ships in the space. The highest known is this 22c/15800o

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x = 13, y = 5, rule = B3aei4jknqtwy5k6ein/S2-in3eijkr4aciky5i6ikn7c8
9b3o$3bo5bo2bo$ob2o8bo$3o6bobo$bo!
I already did some searches based of off this rule before, but when coming back to it recently I realized that by being more specific with the pattern you use you can increase the rulespace from 2^37 to 2^47

Here are some interesting ships from the search

2 diagonal ships that look like they should be orthogonal
16c/1148d

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x = 33, y = 38, rule = B3air4ektz5cny6ci8/S2-ci3-aek4it5ajnr7
30bo$29b3o$28b2o$32bo$30b3o2$24bo$23b2o$22b2o$23b2o24$2bo$b3o$2obo$bo
2bo$3b2o!
7c/784d

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x = 6, y = 12, rule = B3aikr4ikt5ny6ci/S2-ci3ijnqr4ity5acejn6in7e
bo$3o$ob2o6$3b3o$2bo2bo$2bo2bo$2b3o!
Here is a oblique based off of the last diagonal that also looks like it should be orthogonal

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x = 11, y = 25, rule = B3aikr4cikt5ny6ci/S2-ci3ijnqr4iqty5n6kn7e
5b2o$5bobo$7bo$8b2o$10bo$9b2o17$ob2o$3o$bo!
The 12c/544o in this rule is weird, it looks like it is made of a inner spaceship bouncing between to oscillators, but that is just the engine

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x = 73, y = 23, rule = B3aikr4ez5en6c/S2-ci3-aek4iy5ir
15bo$14b3o$14bo$13b2o$13bo$10b2obo2bo3bo$9bob2o7b2o$16bob3o$16b2obo2$
6b2ob2o$3o2bobo3bo57b3o$obo2b2obo59bo2bo$9bo58bo3bo$70b3o$bo69bo$b3o2$
7bo$6b3o$5b2o3b2o$6b2o3bo$10b2o!
2-3-4-5 loopable RRO:

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x = 187, y = 92, rule = B3air4ektz5cny6ci8/S2-ci3-aek4it5ajnr7
70b2o11b3o$67b3obo10bo2bo$67bo14bo2bo$67bo2bo11b2o2bo$68b3o14b2o11$67b
2o14b3o$67bo2b2o11bo2bo$68bo2bo14bo$68bo2bo10bob3o$68b3o11b2o6$182b2o
$182b2o8$180b3o$155b3o9b3o9bo2bo$155bo11bo5bo5bo2bo$155b4o8bo3bobo5b2o
2bo$159bo8b6o8b2o$159b2o9b2o$160bo$165bo$166bo$166bo$164bo2bo$164bo2b
2o$164bo2bo12b3o$165b3o12bo2bo$179bo$170b2o7b3o3bo$169b2o2b2o5b2obo2b
o$174bo11bo$172bobo9b3o$172b2o2$164b2o$164bo$165bob2o$165bo2bo$165b3o
3$2b2o17b3o$2obo16bo2bo$o19bo2bo$3o6bo10b2o2bo$23b2o75b3o$7bo91bo2bo$
8bo90bo2bo$6bob2o89b2o2bo$6bobo93b2o$6b3o6$15b2o$18b2o$14bobo2bo$16b4o
$17bo66b2o$84bo2b2o$85bo2bo$10bo74bo2bo$85b3o3$9bo$5b2o2bo$5bo3bo$6b3o
!
EDIT: 2c/34 that uses the same moving mechanism as the 16c/1148d:

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x = 39, y = 54, rule = B3air4ektz5cny6ci8/S2-ci3-aek4it5ajnr7
25bo$24b3o$26b2o2$3b2o$b2obo15bo3bo$2o17b2o$b2o17b3o$2bo19b3o2$8b3o$10b
o$6b2o$7b3o$8bo$5b3o$5bobo$12b3o12bo$8bo3bobo11b3o$6bob2o15b2obo$6b3o
6bo13b2o$7bo5bob2o13b2o$13b3o9bo4bo$14bo10b2ob2o2$19b2o15b2o$18b6o12b
obo$23bo14bo$23bo14bo$20b3o12b3o$31bo4$26bo$24bo$24bob2o$27b2o$25bobo
$13b2o10b3o$11b6o$10bo3bobo$10bo5bo$10b3o9$25b2o$25b2o!
EDIT2: Puffer:

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x = 138, y = 60, rule = B3air4ektz5cny6ci8/S2-ci3-aek4it5ajnr7
26b2o$26bob2o$29bo$10b3o14b3o$10bo2bo8bo3bo$10bo2bo$13b2o$12b3o$13bo49b
3o$11b3o22b2o25bobo$35b2o26bobo$34b2o2bo26bo$35b2obo27b2o$37b2o28b2o2$
15b2o$12b2o$12bo2bobo54b3o$2o10b4o53bo5bo$2o12bo8bo12b2o32b2o3bo$22b3o
8b6o33b4o$6bo15bo2bo7bo39bo$5b2o13b2o2b2o7bo90bo$4b2o13b2o13b3o86b3o$
5bo3bo2bo7b2o100bo2b2o$12bo8bo99bob3o$11b2o111bo$11bo10b2ob2o57bo39bo
$9b3o10bo3bo56b3o39b2o$10bo12b3o57bo2bo$82b2o$82bobo$82b2o2bo44b3o$33b
o51b2o44bob3o$34b2o96bob2o$5b3o27bob2o22bo15b2o51bo$5bo32bo21b2o13b2o
bo51b2o4b2o$2b2obo24b2o5b2o20b2o13b2o2bo58bo$b2o27bo29b2obo11b2o58b2o
$2b2o3b2o22bo29b2ob2o10b2o56bo$7b2o21bo13bo19b2o66bobo$21b3o6bo2bo10b
2o18b2o66b2o$20bo2bo7b3o11b2o$20b2o16b2obobobo25bo$39b2ob3o26bo41bo$72b
2o34b2o2bo$27b2o39bob2obo32b2o4bo$28bo40bo35b2o$26b3o41b3o33bobo$71bo
35b2o6$45b2o$43bo2bo$42b2obo$43b3o$44bo!
weird

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x = 8, y = 12, rule = R4,C2,S2-3,B3,N@000000038181c0000005
obo$b2o$bo8$6b2o$6b2o!
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