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== C24 solutions == A very interesting and challenging task. Could you perhaps post the 35 solutions for C24? (Maybe on the talk page). I'm getting 38 :-) Fwend (talk) 23:32, 4 April 2016 (UTC)

: Here are my solutions : 


(gen 24)
gen-counters     (2574175 . 286)    
Number of circuits C24 : 35
0     #( 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1)    
1     #( 1 1 1 1 1 1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 1 1)    
2     #( 1 1 1 1 1 1 -1 1 -1 1 -1 1 1 1 1 1 1 1 -1 1 -1 1 -1 1)    
3     #( 1 1 1 1 1 1 -1 1 -1 -1 1 1 1 1 1 1 1 1 -1 1 -1 -1 1 1)    
4     #( 1 1 1 1 1 1 -1 1 -1 -1 1 1 1 1 1 1 1 1 -1 -1 1 1 -1 1)    
5     #( 1 1 1 1 1 1 -1 1 -1 -1 1 1 1 1 1 1 1 -1 1 1 -1 1 -1 1)    
6     #( 1 1 1 1 1 1 -1 -1 1 1 -1 1 1 1 1 1 1 1 -1 -1 1 1 -1 1)    
7     #( 1 1 1 1 1 1 -1 -1 1 1 -1 1 1 1 1 1 1 -1 1 1 -1 1 -1 1)    
8     #( 1 1 1 1 1 1 -1 -1 1 -1 1 1 1 1 1 1 1 1 -1 -1 1 -1 1 1)    
9     #( 1 1 1 1 1 1 -1 -1 1 -1 1 1 1 1 1 1 1 -1 1 1 -1 -1 1 1)    
10     #( 1 1 1 1 1 1 -1 -1 1 -1 1 1 1 1 1 1 1 -1 1 -1 1 1 -1 1)    
11     #( 1 1 1 1 1 1 -1 -1 -1 1 1 1 1 1 1 1 1 1 -1 -1 -1 1 1 1)    
12     #( 1 1 1 1 1 1 -1 -1 -1 1 1 1 1 1 1 1 1 -1 -1 1 1 1 -1 1)    
13     #( 1 1 1 1 1 1 -1 -1 -1 1 1 1 1 1 1 1 -1 1 1 1 -1 -1 1 1)    
14     #( 1 1 1 1 1 1 -1 -1 -1 1 1 1 1 1 1 1 -1 1 1 -1 1 1 -1 1)    
15     #( 1 1 1 1 1 -1 1 1 -1 1 -1 1 1 1 1 1 1 -1 1 1 -1 1 -1 1)    
16     #( 1 1 1 1 1 -1 1 1 -1 -1 1 1 1 1 1 1 1 -1 1 1 -1 -1 1 1)    
17     #( 1 1 1 1 1 -1 1 1 -1 -1 1 1 1 1 1 1 1 -1 1 -1 1 1 -1 1)    
18     #( 1 1 1 1 1 -1 1 -1 1 1 -1 1 1 1 1 1 1 -1 1 -1 1 1 -1 1)    
19     #( 1 1 1 1 1 -1 -1 1 1 1 -1 1 1 1 1 1 1 -1 -1 1 1 1 -1 1)    
20     #( 1 1 1 1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1 1 1 -1 -1 1 1)    
21     #( 1 1 1 1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1 1 -1 1 1 -1 1)    
22     #( 1 1 1 1 -1 1 1 1 -1 1 -1 1 1 1 1 1 -1 1 1 1 -1 1 -1 1)    
23     #( 1 1 1 1 -1 1 1 1 -1 -1 1 1 1 1 1 1 -1 1 1 1 -1 -1 1 1)    
24     #( 1 1 1 1 -1 1 1 1 -1 -1 1 1 1 1 1 1 -1 1 1 -1 1 1 -1 1)    
25     #( 1 1 1 1 -1 1 1 -1 1 1 -1 1 1 1 1 1 -1 1 1 -1 1 1 -1 1)    
26     #( 1 1 1 1 -1 1 -1 1 1 1 -1 1 1 1 1 1 -1 1 -1 1 1 1 -1 1)    
27     #( 1 1 1 1 -1 -1 1 1 1 1 -1 1 1 1 1 1 -1 -1 1 1 1 1 -1 1)    
28     #( 1 1 1 1 -1 -1 1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1)    
29     #( 1 1 1 -1 1 1 1 1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 1)    
30     #( 1 1 1 -1 1 1 1 1 -1 -1 1 1 1 1 1 -1 1 1 1 1 -1 -1 1 1)    
31     #( 1 1 1 -1 1 1 1 1 -1 -1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 1)    
32     #( 1 1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 1 1 -1 1)    
33     #( 1 1 1 -1 1 1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1)    
34     #( 1 1 -1 1 1 1 -1 1 1 1 -1 1 1 1 -1 1 1 1 -1 1 1 1 -1 1)

--[[User:G.Brougnard|G.Brougnard]] ([[User talk:G.Brougnard|talk]]) 08:33, 5 April 2016 (UTC)

: Thank you. I didn't have the two first ones, with the overlapping tracks. So now I do have 35 for C24 based on i + 6 symmetry. I've found 5 additional solutions, however, based on a 3-way symmetry of i + 4. They look valid to me, unless I've misunderstood the criteria: 

1 1 1 -1 -1 1 1 1 1 1 -1 1 1 -1 1 1 1 1 1 -1 -1 1 1 1
1 1 -1 1 1 -1 1 1 1 1 1 -1 -1 1 1 1 1 1 -1 1 1 -1 1 1
1 1 -1 1 1 -1 1 1 1 1 -1 1 1 -1 1 1 1 1 -1 1 1 -1 1 1
1 1 1 -1 -1 1 1 1 1 1 1 -1 -1 1 1 1 1 1 1 -1 -1 1 1 1
1 1 -1 1 -1 1 1 1 1 1 -1 1 -1 1 1 1 1 1 -1 1 -1 1 1 1

[[File:Railway_circuits_additional.gif]]

[[User:Fwend|Fwend]] ([[User talk:Fwend|talk]]) 22:28, 5 April 2016 (UTC)