{"type":"rich","version":"1.0","title":"|BH| ² + |HN| ² + |EN| ² = 36","html":"<iframe src=\"https://www.desmos.com/calculator/po61qukhn9?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}