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"
    ]




    "ken.lj.hz@gmail.com" -- "willem.jiang@gmail.com" [label=" 16 ", penwidth="10", color="#00688bFF"];
    "wangdianjin@gmail.com" -- "willem.jiang@gmail.com" [label=" 13 ", penwidth="8", color="#00688bDB"];
    "best.wangxin@163.com" -- "willem.jiang@gmail.com" [label=" 11 ", penwidth="6", color="#00688bB7"];
    "18610854716@163.com" -- "willem.jiang@gmail.com" [label=" 10 ", penwidth="6", color="#00688bB7"];
    "huxing.zhang@gmail.com" -- "willem.jiang@gmail.com" [label=" 8 ", penwidth="5", color="#00688bA5"];
    "ustcwg@gmail.com" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "982052490@qq.com" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "liyu@apache.org" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "encewang@126.com" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "shaofengshi@gmail.com" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "psiace@outlook.com" -- "willem.jiang@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "549477611@qq.com" -- "willem.jiang@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "50226895+anonymitaet@users.noreply.github.com" -- "willem.jiang@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "wander4096@gmail.com" -- "willem.jiang@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}