step-by-step procedure
https://gyazo.com/8211755c0244604345da19ea9d902678
---
This page is auto-translated from /nishio/間隔反復法. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.