Short answer: extract the Kanji I want to learn → learn all common vocab / read the Kanji meaning in www.kanjipedia.jp → handwrite the Kanji while recalling On and Kun readings.
Long answer:
This is the extra 20 levels:
Short answer: extract the Kanji I want to learn → learn all common vocab / read the Kanji meaning in www.kanjipedia.jp → handwrite the Kanji while recalling On and Kun readings.
Long answer:
This is the extra 20 levels: