0 -> Tp
Tp -> 0
Tp -> Tm
0 -> Tm
Tm -> 0
0 -> G
G -> 0
G -> 0
0 -> A
A -> 0
A -> 0
0 -> S
0 -> S
0 -> S
0 -> P
0 -> P
0 -> P
0 -> Nn
0 -> Nn
Nn -> 0
Nn -> 0
0 -> Na
0 -> Na
Na -> 0
Na -> 0