Signed graph 1

0 0 0 1 
0 0 0 1 
0 0 0 1 
1 1 1 0 

-1.7321 0.0000 0.0000 1.7321 

Signed graph 2

0 0 1 1 
0 0 0 1 
1 0 0 0 
1 1 0 0 

-1.6180 -0.6180 0.6180 1.6180 

Signed graph 3

0 0 1 1 
0 0 0 1 
1 0 0 1 
1 1 1 0 

-1.4812 -1.0000 0.3111 2.1701 

Signed graph 4

0 0 1 1 
0 0 0 1 
1 0 0 -1 
1 1 -1 0 

-2.1701 -0.3111 1.0000 1.4812 

Signed graph 5

0 0 1 1 
0 0 1 1 
1 1 0 0 
1 1 0 0 

-2.0000 -0.0000 0.0000 2.0000 

Signed graph 6

0 0 1 1 
0 0 1 -1 
1 1 0 0 
1 -1 0 0 

-1.4142 -1.4142 1.4142 1.4142 

Signed graph 7

0 0 1 1 
0 0 1 1 
1 1 0 1 
1 1 1 0 

-1.5616 -1.0000 0.0000 2.5616 

Signed graph 8

0 0 1 1 
0 0 1 1 
1 1 0 -1 
1 1 -1 0 

-2.5616 0.0000 1.0000 1.5616 

Signed graph 9

0 0 1 1 
0 0 1 -1 
1 1 0 1 
1 -1 1 0 

-2.0000 -1.0000 1.0000 2.0000 

Signed graph 10

0 1 1 1 
1 0 1 1 
1 1 0 1 
1 1 1 0 

-1.0000 -1.0000 -1.0000 3.0000 

Signed graph 11

0 1 1 1 
1 0 1 1 
1 1 0 -1 
1 1 -1 0 

-2.2361 -1.0000 1.0000 2.2361 

Signed graph 12

0 1 1 -1 
1 0 -1 1 
1 -1 0 1 
-1 1 1 0 

-3.0000 1.0000 1.0000 1.0000