{"type":"rich","version":"1.0","title":"**Minimum-cost spanning tress**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ZdQD-pmwmC2zgkvQ/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/65d403fa99b0982db3824bd0\" frameborder=\"0\" allowfullscreen></iframe>"}