| digraph { | |
|   node [shape=circle fontsize=16] | |
|   edge [length=100, color=gray, fontcolor=black] | |
| 
 | |
|   A -> A[label=0.5]; | |
|   B -> B[label=1.2] -> C[label=0.7] -- A; | |
|   B -> D; | |
|   D -> {B; C} | |
|   D -> E[label=0.2]; | |
|   F -> F; | |
|   A [ | |
|     fontcolor=white, | |
|     color=red, | |
|   ] | |
| }
 |