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"
    ]




    "rbarnes@fb.com" -- "gilsongil@fb.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "rbarnes@fb.com" -- "dimitribouche@fb.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "gilsongil@fb.com" -- "dimitribouche@fb.com" [label=" 2 ", penwidth="2", color="#00688b70"];
    "hzhou@fb.com" -- "dbarsky@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "giorgifafa@fb.com" -- "meleshuk@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "amlan@fb.com" -- "dgrnbrg@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "mzr@fb.com" -- "jkeljo@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "mzr@fb.com" -- "lei2017@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "mzr@fb.com" -- "vmagro@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "jkeljo@fb.com" -- "lei2017@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "jkeljo@fb.com" -- "vmagro@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];
    "lei2017@fb.com" -- "vmagro@fb.com" [label=" 1 ", penwidth="1", color="#00688b5E"];

}