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"
    ]




    "colinfraser@fb.com" -- "colin.r.fraser@gmail.com" [label=" 52 ", penwidth="10", color="#00688bFF"];
    "colinfraser@fb.com" -- "kyle.s.shank@gmail.com" [label=" 41 ", penwidth="7", color="#00688bC9"];
    "colin.r.fraser@gmail.com" -- "kyle.s.shank@gmail.com" [label=" 41 ", penwidth="7", color="#00688bC9"];
    "colinfraser@fb.com" -- "kylescotshank@fb.com" [label=" 34 ", penwidth="6", color="#00688bB7"];
    "colin.r.fraser@gmail.com" -- "kylescotshank@fb.com" [label=" 33 ", penwidth="6", color="#00688bB7"];
    "kyle.s.shank@gmail.com" -- "kylescotshank@fb.com" [label=" 33 ", penwidth="6", color="#00688bB7"];
    "kyle.s.shank@gmail.com" -- "sskim@american.edu" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "kyle.s.shank@gmail.com" -- "ondrej.pekacek@fsv.cuni.cz" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "sskim@american.edu" -- "ondrej.pekacek@fsv.cuni.cz" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "sskim@american.edu" -- "colinfraser@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "sskim@american.edu" -- "colin.r.fraser@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "ondrej.pekacek@fsv.cuni.cz" -- "colinfraser@fb.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "ondrej.pekacek@fsv.cuni.cz" -- "colin.r.fraser@gmail.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}