digraph graph_01
{
graph [ label="Cluster set" rankdir="LR" ]
subgraph "cluster A"
{
graph [ label="Cluster A" rankdir="LR" ]
"A" [ color="red" ]
}
}
digraph graph_01
{
graph [ label="Cluster set" rankdir="LR" ]
subgraph "cluster A"
{
graph [ label="Cluster A" rankdir="LR" ]
"A" [ color="red" ]
}
}