NODES
A
B
C
D
E
F
G
H
I
J
EDGES
A B 1
A C 1
A D 1
A E 1
A F 1
A G 1
A H 1
A I 1
A J 1
B C 1
B D 1
B E 1
B F 1
B G 1
B H 1
B I 1
B J 1
C D 1
C E 1
C F 1
C G 1
C H 1
C I 1
C J 1
D E 1
D F 1
D G 1
D H 1
D I 1
D J 1
E F 1
E G 1
E H 1
E I 1
E J 1
F G 1 
F H 1
F I 1
F J 1
G H 1 
G I 1
G J 1
H I 1 
H J 1 
I J 1