{"type":"rich","version":"1.0","title":"# Elementary Graph Algorithm\n----------Chapter 20----------","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/aBEZ5MeQzBRMDs5_/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/681119e4c790cc144c0ece7f\" frameborder=\"0\" allowfullscreen></iframe>"}