ConwayLife.com

Posted: **April 21st, 2025, 12:54 pm**

PiSpaceships wrote: April 21st, 2025, 12:49 pm
confocaloid wrote: April 21st, 2025, 10:33 am [...] (1) Currently, your post contains at least two references to specific forum users, and at least one of them is misspelled.

While I cannot speak for everyone else, I think the format "challenge to the local community" would work substantially better than your format "challenge to a specific user or to specific users". There is no good reason to require that a specific puzzle be solved by a specific forum member. [...]
1) Ok, so not it's for everyone.

2) Then it can be made without the knightship.

Please read my post again.

My point is that a challenge "not for everyone" looks like a bad idea. A challenge should be "for everyone", rather than "for someone specifically".

References to specific forum users / mentions of specific forum users also tend to be problematic, in various contexts in practice. I suggest to remove all mentions of specific users from your post.
(An obvious exception would be if you are attributing some discovery made by someone else.)

Also, no, it cannot be made without the knightship, either; there are other contradictions which I didn't mention to keep the discussion brief. The question is what to do in general whenever such contradictions happen.

Also, please don't quote a long post to add a short reply.

Posted: **April 21st, 2025, 2:35 pm**

Oh, I wrote NOT instead of NOW...

Posted: **April 23rd, 2025, 9:27 am**

PiSpaceships wrote: April 21st, 2025, 7:52 am A rule that must contain:
1. All spaceships listed in RLE-s below:
[...]

Here is a possible 4-state solution, with the knightship and the still life using three or more cellstates:

Code: Select all

x = 249, y = 79, rule = PiSpaceships-Request
4.2A$4.A2.A$4.A3.A$6.3A$2.2A6.4A$2.A.2A4.4A$.A4.A6.3A$2.4A4.2A3.A$A9.
2A$.A3.A$6.3A2.2A2.A$2.2A7.A4.A$13.A.2A$10.2A6.A29.2A2.2A37.A89.C14.C
3.C6.C3.C7.C3.C15.3C4.3C$11.2A.3A.A31.2A37.A.A64.3C4.4C5.3C5.C.C5.3C4.
C.C.C.C4.C.C.C.C5.C.C.C.C16.C6.C$10.2A3.A2.A31.2A27.2A6.2A37.B29.C.C4.
C.2C5.C.C13.C.C6.C.C10.C9.C.C7.AC7.C.C4.C.C$10.A.A2.2A30.A.A2.A.A23.A
3.A4.2A12.2A22.B.B43.C3.C5.C5.C.C7.C.C10.C9.C.C9.C13.C$10.A2.A.A.A29.
A6.A12.2A8.A5.A3.2A12.2A22.3B69.C.C9.C10.C$10.3A6.A47.2A8.A3.A.2A4.A.
A117.C$11.A.A.A3.A27.A6.A22.A5.A7.A119.C11.C$14.2A.A.A28.2A2.2A24.A3.
A$11.A6.3A28.4A26.2A2$11.A9.A28.2A$11.A3.A6.A27.2A$12.A5.5A$12.3A$16.
2A$13.3A2.A77.2A$11.A.3A.A78.A.A$10.A3.A2.A80.A$11.A4.2A.3A76.2A$13.4A
.A4.2A$13.A.4A4.2A$19.A$20.A2.2A$20.2A$21.5A$25.2A$19.3A6.A$20.A.A3.A
.A$19.A3.A3.A$19.A3.2A$18.A6.A.3A$19.2A3.A3.2A107.B$20.4A2.A2.A$22.2A
3.A$21.A$21.2A.A$20.A$19.5A$19.A4.A$18.3A.3A$18.A.5A$18.A$20.A$16.A4.
4A134.C6BC$20.4A.2A131.B8.B$17.3A4.A132.C10.C$24.A.A130.B6.C4BA$28.A128.
B5.B6.C$24.A2.2A128.B5.B6.B$25.3A129.B5.C6.B$22.2A133.B6.5BC$21.3A5.A
127.B10.B$24.2A2.A.A126.B10.B$21.A2.3A.A.A126.B10.B$22.2A.A2.A128.B10.
B$24.A.A2.2A126.B4.CB4.B$26.2A129.B3.B2.C3.B$22.3A4.A127.B3.B2.B3.B$22.
3A4.A127.B3.B2.B3.B$23.2A3.3A126.B3.B2.B3.B$24.2A.2A128.B3.B2.B3.B$25.
2A130.B3.B2.B3.B$25.A131.B3.C2.B3.C$158.C2B4.C2B$24.2A$26.A!
@RULE PiSpaceships-Request
@COLORS
0 0,0,0
1 255,255,255
2 0,255,255
3 255,0,255
@TABLE
n_states:4
neighborhood:Moore
symmetries:rotate4reflect
var a1 = {0,1,2,3}
var a2 = a1
var a3 = a2
var a4 = a3
var a5 = a4
var a6 = a5
var a7 = a6
var a8 = a7
var a9 = a8
# state2 must contain B1e
0 2,0,0,0,0,0,0,0 2
# state1 must be Conway's Life
0 0,1,0,1,0,1,0,0 1
0 1,0,1,0,1,0,0,0 1
0 1,0,1,0,0,1,0,0 1
0 1,1,1,0,0,0,0,0 1
0 0,1,1,1,0,0,0,0 1
0 1,1,0,1,0,0,0,0 1
0 1,0,1,1,0,0,0,0 1
0 1,1,0,0,0,1,0,0 1
0 1,1,0,0,1,0,0,0 1
0 1,0,0,1,0,1,0,0 1
1 0,1,0,1,0,0,0,0 1
1 1,0,1,0,0,0,0,0 1
1 1,0,0,1,0,0,0,0 1
1 1,1,0,0,0,0,0,0 1
1 1,0,0,0,1,0,0,0 1
1 0,1,0,0,0,1,0,0 1
1 0,1,0,1,0,1,0,0 1
1 1,0,1,0,1,0,0,0 1
1 1,0,1,0,0,1,0,0 1
1 1,1,1,0,0,0,0,0 1
1 0,1,1,1,0,0,0,0 1
1 1,1,0,1,0,0,0,0 1
1 1,0,1,1,0,0,0,0 1
1 1,1,0,0,0,1,0,0 1
1 1,1,0,0,1,0,0,0 1
1 1,0,0,1,0,1,0,0 1
# 6-cell photon
0 2,0,2,0,0,0,0,0 2
2 2,2,0,2,0,0,0,0 2
0 2,2,2,2,2,0,2,0 2
# photon gun
0 2,0,2,0,2,0,2,0 2
2 0,2,0,2,0,2,0,2 2
2 0,2,0,2,0,2,0,0 2
2 0,2,2,2,0,2,0,0 2
2 2,2,2,0,2,0,2,0 2
2 2,2,2,2,2,2,2,2 2
2 2,2,0,2,0,2,2,0 2
0 2,0,2,0,2,0,0,0 2
# state 3
0 3,0,3,0,0,0,0,0 3
0 3,3,3,0,0,0,0,0 3
0 0,3,0,3,0,3,0,0 3
0 0,3,3,3,0,0,0,0 3
0 3,0,3,3,0,0,0,0 3
0 3,3,0,3,0,0,0,0 3
0 3,3,0,0,0,3,0,0 3
0 3,0,0,3,0,3,0,0 3
3 0,3,0,0,0,0,0,0 3
3 0,3,0,3,0,0,0,0 3
3 3,0,3,0,0,0,0,0 3
3 3,0,0,0,3,0,0,0 3
3 3,0,0,3,0,0,0,0 3
3 0,3,0,0,0,3,0,0 3
3 3,3,3,0,0,0,0,0 3
3 0,3,0,3,0,3,0,0 3
3 3,0,3,0,3,0,0,0 3
3 0,3,3,3,0,0,0,0 3
3 3,0,3,3,0,0,0,0 3
3 3,0,3,0,0,3,0,0 3
3 3,3,0,0,0,3,0,0 3
3 3,3,0,0,3,0,0,0 3
3 3,0,0,3,0,3,0,0 3
# (2,1)c/6
1 3,0,0,0,0,0,0,0 3
3 1,0,0,3,0,0,0,0 1
3 1,0,0,0,0,0,0,0 3
0 0,3,1,3,0,0,0,0 3
3 3,0,1,0,0,0,0,0 3
3 3,1,0,0,0,0,0,0 1
0 3,0,3,0,3,1,0,0 1
3 3,3,1,1,3,0,0,0 1
1 3,3,1,0,3,0,0,0 1
3 1,1,0,0,0,0,0,0 3
1 3,0,0,1,0,0,0,0 3
0 0,3,1,0,1,3,0,0 1
1 3,0,3,0,0,1,0,0 1
3 1,3,0,0,0,0,0,0 3
0 3,1,3,0,0,0,0,0 3
0 3,3,1,0,0,0,0,0 3
0 3,1,1,0,0,0,0,0 3
# SUS
2 2,0,0,0,2,0,0,0 2
2 3,0,0,0,2,0,0,0 2
3 2,0,0,2,0,0,0,0 3
2 0,3,0,0,0,3,0,0 2
1 2,3,0,0,0,3,0,0 1
3 0,1,2,2,0,2,0,0 3
2 2,0,3,0,1,0,0,0 2
2 2,3,0,0,2,0,0,0 2
2 3,0,0,3,0,0,0,0 2
2 2,0,0,3,0,0,0,0 2
2 2,2,0,0,2,0,0,0 2
3 2,0,0,1,0,0,0,0 3
3 2,2,0,0,0,2,0,0 3
2 3,0,2,0,2,0,0,0 2
2 2,0,0,3,2,2,0,0 2
# misc
0 2,0,0,0,2,0,0,0 2
a1 a2,a3,a4,a5,a6,a7,a8,a9 0

I think 4 states is minimal.

Posted: **April 24th, 2025, 12:34 am**

PiSpaceships wrote: April 21st, 2025, 7:52 am All spaceships listed in RLE-s below:
Code: Select all
x = 23, y = 3, rule = B2e3-ekr/S1c2-a3-n
10b3o$obobo5bobo5bobobo$11bo!
Code: Select all
x = 1, y = 1, rule = B1e2eik3ejkry4ejkr5cn6c/S3ckny4cknqy5cejk6e8
bob$obo$3o!

Self-contradictory! It can't be implemented in 2 states.

R2INT wrote: April 23rd, 2025, 9:27 am I think 4 states is minimal.

I wonder if it can be implemented in 3 states ... maybe not.

Anyway here's my request:

islptng wrote: April 22nd, 2025, 9:36 pm

Code: Select all

x = 407, y = 177, rule = INTcoll-islptng
104.I259.2I$5.4I11.2I4.2I76.I.2I8.A7.B7.C7.D7.E7.F7.G7.H7.I7.J71.5I3.
2I87.4I3.2I6.2I2.2I$4.6I10.2I4.2I75.I4.I6.3A5.3B5.C.C5.D.D5.3E5.F.F5.
3G5.3H5.3I5.3J70.6I2.2I86.6I2.2I6.2I2.2I$4.2I2.2I2.4I2.6I2.5I69.I2.I
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Make a rule that includes all of the spaceships above, with less than(or exactly) 10 states.

Posted: **April 24th, 2025, 12:43 am**

islptng wrote: April 24th, 2025, 12:34 am Self-contradictory! It can't be implemented in 2 states.

It can.
Confocaloid had forcefully inserted gliders into rules that otherwise incompatible with glider, using HROT with weighted neighborhood.

EDIT: I didn't realize that both patterns are exactly the same, only in different rules.

ConwayLife.com

Rulegolf Request Thread

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Re: Rulegolf Request Thread

Re: Rulegolf Request Thread

Re: Rulegolf Request Thread

Re: Rulegolf Request Thread