digraph G {
subgraph cluster_small {
a -> b;
label=small;
}
subgraph cluster_big {
p -> q -> r -> s -> t;
label=big;
t -> p;
}
t -> a;
b -> q;
}
digraph G {
subgraph cluster_small {
a -> b;
label=small;
}
subgraph cluster_big {
p -> q -> r -> s -> t;
label=big;
t -> p;
}
t -> a;
b -> q;
}