{"type":"rich","version":1.0,"title":"Arithmetic progression","width":1179,"html":"<a href=\"https://asciinema.org/a/udaaP9BoiuXOX7rQ8guuVdCWi\" target=\"_blank\"><img src=\"https://asciinema.org/a/udaaP9BoiuXOX7rQ8guuVdCWi.png\" alt=\"Arithmetic progression\" width=\"1179\"></a>","height":792,"author_name":"alantaboev","author_url":"https://asciinema.org/~alantaboev","provider_name":"asciinema","provider_url":"https://asciinema.org/","thumbnail_height":792,"thumbnail_url":"https://asciinema.org/a/udaaP9BoiuXOX7rQ8guuVdCWi.png","thumbnail_width":1179}