A B C
D E F
G H
I J K
Instead, I get:
A B C
E D F
H G
I J K
digraph bugbug {
subgraph clusterfoo {
{ rank=source; D -> E [ style=invis ]; }
{ rank=sink; G -> H [ style=invis ]; }
}
{ rank=source; A -> B -> C [ style=invis ]; }
{ rank=sink; I -> J -> K [ style=invis ]; }
A -> E;
B -> D;
C -> F -> K;
G -> J;
H -> I;
}
Output file: b591.ps