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"
    ]




    "samzhou19815@fb.com" -- "gkz@fb.com" [label=" 15 ", penwidth="10", color="#00688bFF"];
    "gkz@fb.com" -- "samgoldman@fb.com" [label=" 13 ", penwidth="8", color="#00688bDB"];
    "mroch@fb.com" -- "samgoldman@fb.com" [label=" 12 ", penwidth="8", color="#00688bDB"];
    "gkz@fb.com" -- "pvekris@fb.com" [label=" 11 ", penwidth="7", color="#00688bC9"];
    "mroch@fb.com" -- "pieterv@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "mroch@fb.com" -- "evanyeung@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "samgoldman@fb.com" -- "pieterv@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "samgoldman@fb.com" -- "evanyeung@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "pieterv@fb.com" -- "evanyeung@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "samgoldman@fb.com" -- "samzhou19815@fb.com" [label=" 9 ", penwidth="6", color="#00688bB7"];
    "samzhou19815@fb.com" -- "jmbrown@fb.com" [label=" 6 ", penwidth="4", color="#00688b93"];
    "samzhou19815@fb.com" -- "mroch@fb.com" [label=" 5 ", penwidth="3", color="#00688b82"];
    "samzhou19815@fb.com" -- "pvekris@fb.com" [label=" 4 ", penwidth="2", color="#00688b70"];
    "jmbrown@fb.com" -- "gkz@fb.com" [label=" 4 ", penwidth="2", color="#00688b70"];
    "gkz@fb.com" -- "mroch@fb.com" [label=" 3 ", penwidth="2", color="#00688b70"];
    "jmbrown@fb.com" -- "pvekris@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "pvekris@fb.com" -- "mvitousek@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "samgoldman@fb.com" -- "pvekris@fb.com" [label=" 2 ", penwidth="1", color="#00688b5E"];
    "samzhou19815@fb.com" -- "mvitousek@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "jmbrown@fb.com" -- "mvitousek@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "gkz@fb.com" -- "mvitousek@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}