{"type":"rich","version":"1.0","title":"R = 1 ⇒ s = 0.425579670364","html":"<iframe src=\"https://www.desmos.com/calculator/wnr66f2amk?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}