{"type":"rich","version":"1.0","title":"20 INTERESTING PROBLEMS (zhafirzhikri)     ","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/V-9lnETOdPAu6Icc/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/57ef659c44ce74f02ee8871c\" frameborder=\"0\" allowfullscreen></iframe>"}