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Overall Editorial

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C - Minimize Abs 1

• Official Editorial by nok0
• Official Editorial by admin

D - Piano

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin

E - Doukasen

• Official Editorial by blackyuki
• Official 解説放送 by editorial_admin

F - Ideal Holidays

• Official Editorial by nok0
• Official 解説放送 by editorial_admin

G - 2-variable Function

• Official Editorial by physics0523
• Official 解説放送 by editorial_admin
• User Editorial by hamayanhamayan
• ユーザ解説 by drken