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"
    ]




    "Zhomart@users.noreply.github.com" -- "zhomart@google.com" [label=" 31 ", penwidth="10", color="#00688bFF"];
    "noreply@google.com" -- "calhuang@google.com" [label=" 23 ", penwidth="7", color="#00688bC9"];
    "jayyoo@google.com" -- "noreply@google.com" [label=" 17 ", penwidth="5", color="#00688bA5"];
    "noreply@google.com" -- "shiufai@google.com" [label=" 12 ", penwidth="3", color="#00688b82"];
    "shiufai@google.com" -- "jayyoo@google.com" [label=" 8 ", penwidth="2", color="#00688b70"];
    "shiufai@google.com" -- "calhuang@google.com" [label=" 4 ", penwidth="1", color="#00688b5E"];
    "calhuang@google.com" -- "jayyoo@google.com" [label=" 3 ", penwidth="1", color="#00688b4C"];
    "noreply@google.com" -- "jayyoo.google.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "Zhomart@users.noreply.github.com" -- "jayyoo@google.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "zhomart@google.com" -- "jayyoo@google.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}