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"
    ]




    "chenggangz@deepseek.com" -- "93142162+yukuai26@users.noreply.github.com" [label=" 4 ", penwidth="4", color="#00688b93"];
    "chenggangz@deepseek.com" -- "zmhzc@tju.edu.cn" [label=" 3 ", penwidth="3", color="#00688b82"];
    "lequn@perplexity.ai" -- "chenggangz@deepseek.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "chenggangz@deepseek.com" -- "94977922+zheanxu@users.noreply.github.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "zmhzc@tju.edu.cn" -- "93142162+yukuai26@users.noreply.github.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "lequn@perplexity.ai" -- "zmhzc@tju.edu.cn" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "lequn@perplexity.ai" -- "94977922+zheanxu@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "zmhzc@tju.edu.cn" -- "94977922+zheanxu@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "chenggangz@deepseek.com" -- "1109276519@qq.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "1109276519@qq.com" -- "zmhzc@tju.edu.cn" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "1109276519@qq.com" -- "93142162+yukuai26@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "93142162+yukuai26@users.noreply.github.com" -- "94977922+zheanxu@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "lequn@perplexity.ai" -- "93142162+yukuai26@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b5E"];

}