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"
    ]




    "hezj07+github@gmail.com" -- "wujun.nju@gmail.com" [label=" 11 ", penwidth="10", color="#00688bFF"];
    "jessebrizzi@users.noreply.github.com" -- "wujun.nju@gmail.com" [label=" 4 ", penwidth="3", color="#00688b82"];
    "wujun.nju@gmail.com" -- "jpeddicord@users.noreply.github.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "40336483+SamanthaFeidFischer@users.noreply.github.com" -- "mail@yongsun.me" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "40336483+SamanthaFeidFischer@users.noreply.github.com" -- "wujun.nju@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "mail@yongsun.me" -- "wujun.nju@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "chohyu01@cs.washington.edu" -- "wujun.nju@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "chohyu01@cs.washington.edu" -- "markhama@amazon.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "chohyu01@cs.washington.edu" -- "jpeddicord@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "wujun.nju@gmail.com" -- "markhama@amazon.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "markhama@amazon.com" -- "jpeddicord@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "42106896+YusongLeng@users.noreply.github.com" -- "jessebrizzi@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "42106896+YusongLeng@users.noreply.github.com" -- "wujun.nju@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}