{"type":"rich","version":"1.0","title":"A circle centered at (-2,-3) with radius 8, oriented clockwise with initial point (6,-3)","html":"<iframe src=\"https://www.desmos.com/calculator/aur1fhegdz?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}