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"
    ]




    "fredialei@gmail.com" -- "hejufang0590@gmail.com" [label=" 3 ", penwidth="3", color="#00688b82"];
    "peter.huang@uber.com" -- "hejufang0590@gmail.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "twalthr@apache.org" -- "juntzhang@foxmail.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "mayue.fight@bytedance.com" -- "mayuefight@gmail.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "marton@apple.com" -- "zakelly.lan@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "aaggarwal@confluent.io" -- "zakelly.lan@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "dwysakowicz@apache.org" -- "xiangyu0xf@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "lukas.schwerdtfeger@gmail.com" -- "mnaylor@confluent.io" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "dwysakowicz@apache.org" -- "1127478+lihaosky@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "bvarghese@confluent.io" -- "twalthr@apache.org" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "masteryhx@gmail.com" -- "zakelly.lan@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];

}