

digraph aaa {

    graph [ fontname="Helvetica", layout="fdp", splines=ortho]
    node [ fontname="Helvetica,Arial,sans-serif",shape=box ]

    subgraph cluster_useast {
        subgraph cluster_useast1_t {            
            label=<<b>xx</b>>;

            a [label="tx-billing-ev"];
            b [label="xxxxx"];
            c [label="xx-xxxxxxxx"];
            d [label="xxxx-xx-xxx"];
            e [label="xx-xxxxxxx-xxxxxxxxx"];
            f [label="xx-xxxxx-xxx"];
        }

        subgraph cluster_useast1_i {            
            label=<<b>xxxxxxxx</b>>;  

            g [label="xxxxxxxx-xxx"];
        }

        subgraph cluster_useast1_p {            
            label=<<b>pricing-platform</b>>;
            fontsize=24;
            margin=10;
            
            h [label="billable-items-servi"];
            i [label="xx-xxxxx-xxx"];
        }

        subgraph cluster_useast1_b {            
            label=<<b>xxxxxxx-xxxxxxxx</b>>;       

            j [label="xxxxxxx-xxxx-xxxxxx"];
            k [label="xxxx-xx"];
        }

        subgraph cluster_useast1_f {            
            label=<<b>xx</b>>;
            fontsize=24;
            margin=10;
            
            l [label="xx-xxxxxxxx"];
        }

        subgraph cluster_useast1_d {            
            label=<<b>data-platform-kafka</b>>;
            fontsize=24;
            margin=10;
            
            m [label="xx-xxxxxx-xxxxxx-xxx"];
        }

        subgraph cluster_useast1_s {            
            label=<<b>xxxxxx</b>>;
            fontsize=24;
            margin=10;
            
            n [label="xxxxx-xxx-xxxxxxx"];
        }

        subgraph cluster_useast1_w {                    
            label=<<b>xxxxxxxx</b>>;
            fontsize=24;
            margin=10;
            
            o [label="xxxxxxxx-xxxxxxxx-xxxxxxxxxxxxx-xxx"];
        }

        p [label="xxxxxxx-xxxxxx-xxx"];
        q [label="xx-xxxx-xxx"];
   }

    i -> a;
}
