{"type":"rich","version":"1.0","title":"P(N=5, M=[1,...,10], R=[1,...,10])","html":"<iframe src=\"https://www.desmos.com/calculator/zx5nrdtnbu?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}