Social Network

{
  "elements":[
    {"data":{"id":"a","label":"Alice"}},
    {"data":{"id":"b","label":"Bob"}},
    {"data":{"id":"c","label":"Carol"}},
    {"data":{"id":"d","label":"Dave"}},
    {"data":{"id":"e","label":"Eve"}},
    {"data":{"id":"f","label":"Frank"}},
    {"data":{"id":"g","label":"Grace"}},
    {"data":{"source":"a","target":"b"}},
    {"data":{"source":"a","target":"c"}},
    {"data":{"source":"b","target":"c"}},
    {"data":{"source":"b","target":"d"}},
    {"data":{"source":"c","target":"e"}},
    {"data":{"source":"d","target":"f"}},
    {"data":{"source":"e","target":"f"}},
    {"data":{"source":"f","target":"g"}},
    {"data":{"source":"e","target":"g"}}
  ],
  "layout":{"name":"concentric","animate":false}
}