{"type":"rich","version":"1.0","title":"GT4 2014-2105 NTSF3 Chain of three NSTF","html":"<iframe src=\"https://www.desmos.com/calculator/tswgrnoosy?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}