edge: {sourcename: "n67" targetname: "n89" label: "0" color: red}
edge: {sourcename: "n67" targetname: "n68" label: "1" color: red}
node: {title: "n66" label: "Return 66" info1: "visited: 6
+return in method of type main
"}
edge: {sourcename: "n66" targetname: "n92" label: "0" color: blue}
}