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"
    ]




    "andras.salamon@melda.info" -- "summaryzb@gmail.com" [label=" 12 ", penwidth="10", color="#00688bFF"];
    "zhengchenyu16@163.com" -- "cchung100m@cs.ccu.edu.tw" [label=" 6 ", penwidth="5", color="#00688bA5"];
    "zhengchenyu16@163.com" -- "summaryzb@gmail.com" [label=" 3 ", penwidth="2", color="#00688b70"];
    "summaryzb@gmail.com" -- "zuston@apache.org" [label=" 3 ", penwidth="2", color="#00688b70"];
    "andras.salamon@melda.info" -- "zuston@apache.org" [label=" 3 ", penwidth="2", color="#00688b70"];
    "zuston@apache.org" -- "xianjingfeng666@gmail.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "zuston@apache.org" -- "rickyma@tencent.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "roryqi@apache.org" -- "zuston@apache.org" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "rickyma@tencent.com" -- "xianjingfeng666@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "zuston@apache.org" -- "zhengchenyu16@163.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "xianjingfeng666@gmail.com" -- "andras.salamon@melda.info" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "xianjingfeng666@gmail.com" -- "summaryzb@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "165157195+supermetastream@users.noreply.github.com" -- "cchung100m@cs.ccu.edu.tw" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "summaryzb@gmail.com" -- "33595968+yl09099@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "zuston@apache.org" -- "33595968+yl09099@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "zhengchenyu16@163.com" -- "rickyma@tencent.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "33595968+yl09099@users.noreply.github.com" -- "xianjingfeng666@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}