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"
    ]




    "tikhomirov.artem@gmail.com" -- "vaclav.pech@gmail.com" [label=" 115 ", penwidth="10", color="#00688bFF"];
    "fisakov@gmail.com" -- "vaclav.pech@gmail.com" [label=" 63 ", penwidth="5", color="#00688bA5"];
    "michael.vlassiev@jetbrains.com" -- "vaclav.pech@gmail.com" [label=" 30 ", penwidth="2", color="#00688b70"];
    "tikhomirov.artem@gmail.com" -- "fisakov@gmail.com" [label=" 25 ", penwidth="2", color="#00688b70"];
    "michael.vlassiev@jetbrains.com" -- "fisakov@gmail.com" [label=" 22 ", penwidth="1", color="#00688b5E"];
    "maros.sandor@jetbrains.com" -- "fisakov@gmail.com" [label=" 21 ", penwidth="1", color="#00688b5E"];
    "michael.vlassiev@jetbrains.com" -- "maros.sandor@jetbrains.com" [label=" 12 ", penwidth="1", color="#00688b5E"];
    "vaclav.pech@gmail.com" -- "maros.sandor@jetbrains.com" [label=" 11 ", penwidth="1", color="#00688b4C"];
    "tikhomirov.artem@gmail.com" -- "michael.vlassiev@jetbrains.com" [label=" 9 ", penwidth="1", color="#00688b4C"];
    "tikhomirov.artem@gmail.com" -- "maros.sandor@jetbrains.com" [label=" 6 ", penwidth="1", color="#00688b4C"];

}