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"
    ]




    "mzheng@fb.com" -- "meganyu@fb.com" [label=" 14 ", penwidth="10", color="#00688bFF"];
    "meganyu@fb.com" -- "irt@fb.com" [label=" 7 ", penwidth="5", color="#00688bA5"];
    "mzheng@fb.com" -- "irt@fb.com" [label=" 6 ", penwidth="4", color="#00688b93"];
    "hhkumar@fb.com" -- "meganyu@fb.com" [label=" 5 ", penwidth="3", color="#00688b82"];
    "hhkumar@fb.com" -- "mzheng@fb.com" [label=" 5 ", penwidth="3", color="#00688b82"];
    "hhkumar@fb.com" -- "irt@fb.com" [label=" 3 ", penwidth="2", color="#00688b70"];
    "vijay235@fb.com" -- "mzheng@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "vijay235@fb.com" -- "meganyu@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "vijay235@fb.com" -- "irt@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "viz@fb.com" -- "praihan@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "vijay235@fb.com" -- "hhkumar@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}