0 -> S
0 -> V
S -> 0
V -> 0
I1 -> 0
I2 -> 0
Iv2 -> 0
R1 -> 0
R2 -> 0
J1 -> 0
J2 -> 0
R -> 0
S -> I1
S -> I2
V -> Iv2
I1 -> R1
I2 -> R2
R2 -> J1
R1 -> J2
J1 -> R
J2 -> R
Iv2 -> R
R1 -> S
R2 -> S
R -> S
V -> S