{"type":"rich","version":"1.0","title":"INSIEME DEI NUMERI NATURALI","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/X8akxYd4rikGaKPi/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5fc6a4c58778ae290668a3e2\" frameborder=\"0\" allowfullscreen></iframe>"}