graph A { | |
node[shape="circle"] | |
B [ style="filled", fillcolor="red" ]; | |
G [ style="filled", fillcolor="red" ]; | |
A [ style="filled", fillcolor="red" ]; | |
A -- F[label="1"] | |
A -- B[label="1"] | |
A -- G[label="3"] | |
B -- C[label="0"] | |
B -- D[label="0"] | |
B -- E[label="1"] | |
C -- D[label="0"] | |
E -- F[label="1"] | |
G -- I[label="2"] | |
G -- H[label="2"] | |
H -- I[label="2"] | |
} |