{"type":"rich","version":1.0,"provider_name":"Speaker Deck","provider_url":"https://speakerdeck.com/","title":"コラッツ予想について","author_name":"片淵澪","author_url":"https://speakerdeck.com/rei123","html":"\u003ciframe id=\"talk_frame_1541464\" class=\"speakerdeck-iframe\" src=\"https://speakerdeck.com/player/39de38aca3bf4d279a7b917080b488c1\" width=\"710\" height=\"1003\" style=\"aspect-ratio:710/1003; border:0; padding:0; margin:0; background:transparent;\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\n","width":710,"height":1003,"ratio":0.7072446555819477}