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"
    ]




    "richard.bangay@gmail.com" -- "john.duffell@guardian.co.uk" [label=" 6 ", penwidth="6", color="#00688bB7"];
    "john.duffell@guardian.co.uk" -- "andrea.diotallevi@guardian.co.uk" [label=" 3 ", penwidth="3", color="#00688b82"];
    "andre.silva.mindera@guardian.co.uk" -- "john.duffell@guardian.co.uk" [label=" 3 ", penwidth="3", color="#00688b82"];
    "andre.silva.mindera@guardian.co.uk" -- "richard.bangay@gmail.com" [label=" 3 ", penwidth="3", color="#00688b82"];
    "richard.bangay@guardian.co.uk" -- "john.duffell@guardian.co.uk" [label=" 3 ", penwidth="3", color="#00688b82"];
    "richard.bangay@gmail.com" -- "andrea.diotallevi@guardian.co.uk" [label=" 2 ", penwidth="2", color="#00688b70"];
    "andre.silva.mindera@guardian.co.uk" -- "andrea.diotallevi@guardian.co.uk" [label=" 2 ", penwidth="2", color="#00688b70"];
    "tom.forbes@theguardian.com" -- "richard.bangay@gmail.com" [label=" 2 ", penwidth="2", color="#00688b70"];

}