{"version":"1.0","type":"rich","title":"Magic square \u2728","description":"This is a panmagic square:\n\n- the sum of each horizontal rows is the same\n- the sum of each vertical rows  is the same\n- the sum of each main diagonal row is the same\n\nEach day there is a different magic square. Search for the magic constant value. \nUse the choice slider to set\/find it. ","author_name":"markknol","author_url":"https:\/\/turtletoy.net\/user\/markknol","provider_name":"Turtletoy","provider_url":"https:\/\/turtletoy.net\/","license":{"fullName":"Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International","shortName":"CC BY-NC-SA 4.0","url":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"},"thumbnail_url":"https:\/\/turtletoy.net\/thumbnail\/f09d1e9258.jpg","thumbnail_width":512,"thumbnail_height":512,"html":"<iframe src=\"https:\/\/turtletoy.net\/embed\/f09d1e9258\" width=\"1025px\" height=\"554px\" style=\"max-width: 100%; border: 0\" sandbox=\"allow-scripts allow-top-navigation allow-top-navigation-by-user-activation allow-forms allow-popups allow-same-origin\"><\/iframe>","width":1025,"height":554}