digraph "G" {
layout=neato;
"v35" [shape="plain", fixedsize="true"];
"v22" -> "v22";
"v24" -> "v35";
"v35" -> "v22" [dir="back", fontsize="10.8"];
"v11":"n" -> "v4";
"v7" -> subgraph "s14" {"v24" "v16" "v8"};
"v31" -> "v4";
"v35" -> "v35" [headlabel="end\r中文标签\re=mc²\ry1", penwidth="4.86"];
"v15" -> "v15" [headlabel="…"];
}