{"type":"rich","version":"1.0","title":"Golfed - Remove a given substring 'n' number of times from the end of a string","html":"<iframe src=\"https://www.desmos.com/calculator/6ebtzvfzgh?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}