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Overall Editorial

• Official Editorial by admin
• twitter上で行った簡易な解説 by kyopro_friends

A - 9x9

• User Editorial by hamayanhamayan

B - 81

• User Editorial by hamayanhamayan

C - Walk on Multiplication Table

• User Editorial by hamayanhamayan
• ユーザ解説 by drken

D - Water Bottle

• User Editorial by hamayanhamayan

E - Gluttony

• User Editorial by hamayanhamayan

F - Fork in the Road

• User Editorial by maspy
• User Editorial by physics0523
• User Editorial by hamayanhamayan