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

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#DC143C"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "challenge4" -- "challenge5" [label=" 1811 ", penwidth="10", color="#DC143CFF"];
    "challenge3" -- "challenge4" [label=" 1716 ", penwidth="9", color="#DC143CED"];
    "challenge3" -- "challenge5" [label=" 1495 ", penwidth="8", color="#DC143CDB"];
    "challenge2" -- "challenge3" [label=" 1456 ", penwidth="8", color="#DC143CDB"];
    "challenge2" -- "challenge4" [label=" 1452 ", penwidth="8", color="#DC143CDB"];
    "challenge2" -- "challenge5" [label=" 1231 ", penwidth="6", color="#DC143CB7"];
    "challenge1" -- "challenge3" [label=" 1170 ", penwidth="6", color="#DC143CB7"];
    "challenge1" -- "challenge2" [label=" 1170 ", penwidth="6", color="#DC143CB7"];
    "challenge1" -- "challenge4" [label=" 1168 ", penwidth="6", color="#DC143CB7"];
    "challenge1" -- "starting_point" [label=" 1150 ", penwidth="6", color="#DC143CB7"];
    "challenge2" -- "starting_point" [label=" 1130 ", penwidth="6", color="#DC143CB7"];
    "challenge3" -- "starting_point" [label=" 1130 ", penwidth="6", color="#DC143CB7"];
    "challenge4" -- "starting_point" [label=" 1128 ", penwidth="6", color="#DC143CB7"];
    "challenge1" -- "challenge5" [label=" 1009 ", penwidth="5", color="#DC143CA5"];
    "challenge5" -- "starting_point" [label=" 993 ", penwidth="5", color="#DC143CA5"];

}