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"
    ]




    "1425499266@qq.com" -- "shyvo1987@gmail.com" [label=" 7 ", penwidth="7", color="#00688bC9"];
    "yndu13@gmail.com" -- "papaya.dyn@alibaba-inc.com" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "yndu13@gmail.com" -- "1425499266@qq.com" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "shyvo1987@gmail.com" -- "yndu13@gmail.com" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "papaya.dyn@alibaba-inc.com" -- "1425499266@qq.com" [label=" 3 ", penwidth="3", color="#00688b82"];
    "papaya.dyn@alibaba-inc.com" -- "shyvo1987@gmail.com" [label=" 3 ", penwidth="3", color="#00688b82"];
    "papaya.dyn@alibaba-inc.com" -- "themanforfree@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "shyvo1987@gmail.com" -- "themanforfree@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "themanforfree@gmail.com" -- "yndu13@gmail.com" [label=" 1 ", penwidth="1", color="#00688b5E"];

}