graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="grey"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "jba@google.com" -- "julie@golang.org" [label=" 142 ", penwidth="10", color="#00688bFF"];
    "jba@google.com" -- "dneil@google.com" [label=" 117 ", penwidth="8", color="#00688bDB"];
    "dneil@google.com" -- "julie@golang.org" [label=" 99 ", penwidth="6", color="#00688bB7"];
    "jba@google.com" -- "zpavlinovic@google.com" [label=" 9 ", penwidth="1", color="#00688b4C"];
    "julie@golang.org" -- "zpavlinovic@google.com" [label=" 8 ", penwidth="1", color="#00688b4C"];
    "dneil@google.com" -- "zpavlinovic@google.com" [label=" 7 ", penwidth="1", color="#00688b4C"];
    "roland@golang.org" -- "julie@golang.org" [label=" 6 ", penwidth="1", color="#00688b4C"];
    "jba@google.com" -- "roland@golang.org" [label=" 3 ", penwidth="1", color="#00688b4C"];
    "dneil@google.com" -- "roland@golang.org" [label=" 2 ", penwidth="1", color="#00688b4C"];
    "zpavlinovic@google.com" -- "roland@golang.org" [label=" 1 ", penwidth="1", color="#00688b4C"];

}