{"type":"rich","version":"1.0","title":"R ₁ : R ₂ : R ₃ = ( 1 + ϕ ) : ϕ : 1","html":"<iframe src=\"https://www.desmos.com/calculator/jdtqwwxddl?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}