graph G {
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    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
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        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
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    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
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    "[via-macii.c]" -- "[macio-adb.c]" [label=" 5 ", penwidth="5", color="#00688bA5"];
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}