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"
    ]




    "arunv.vijay@gmail.com" -- "fangl@microsoft.com" [label=" 10 ", penwidth="10", color="#00688bFF"];
    "arunv.vijay@gmail.com" -- "kaelinhoang@microsoft.com" [label=" 8 ", penwidth="8", color="#00688bDB"];
    "fangl@microsoft.com" -- "kaelinhoang@microsoft.com" [label=" 8 ", penwidth="8", color="#00688bDB"];
    "1594946135@qq.com" -- "kaelinhoang@microsoft.com" [label=" 4 ", penwidth="4", color="#00688b93"];
    "arunv.vijay@gmail.com" -- "1594946135@qq.com" [label=" 3 ", penwidth="3", color="#00688b82"];
    "lzl0064@126.com" -- "udaykp@microsoft.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "1594946135@qq.com" -- "fangl@microsoft.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "lzl0064@126.com" -- "guanjie.shen@databricks.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "arunv.vijay@gmail.com" -- "kaixuanxu@microsoft.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "1594946135@qq.com" -- "kaixuanxu@microsoft.com" [label=" 1 ", penwidth="1", color="#00688b5E"];

}