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"
    ]




    "bebechien@gmail.com" -- "liuyunn@google.com" [label=" 16 ", penwidth="10", color="#00688bFF"];
    "bebechien@gmail.com" -- "lydia.yunliu@gmail.com" [label=" 3 ", penwidth="1", color="#00688b5E"];
    "bebechien@gmail.com" -- "56172920+jihuin@users.noreply.github.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "56172920+jihuin@users.noreply.github.com" -- "lydia.yunliu@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "bebechien@gmail.com" -- "103279526+sitamgithub-msit@users.noreply.github.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "liuyunn@google.com" -- "lydia.yunliu@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "liuyunn@google.com" -- "103279526+sitamgithub-msit@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "bebechien@gmail.com" -- "osanseviero@google.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "liuyunn@google.com" -- "osanseviero@google.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "bebechien@gmail.com" -- "121135073+chujchen@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}