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Overall Editorial

There is no editorial yet.

A - 2^n - 2*n

There is no editorial yet.

B - Happy Number

There is no editorial yet.

C - 2026

• User Editorial by spheniscine

D - Kadomatsu Subsequence

• User Editorial by spheniscine

E - Kite

• User Editorial by spheniscine

F - Beautiful Kadomatsu

• Official Editorial (former half) by en_translator
• Official Editorial (latter half) by en_translator
• User Editorial by spheniscine

G - Sugoroku 6

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