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Overall Editorial

• Official 解説放送 by admin
• 4分でA-F by evima
• twitter上で行った簡易な解説 by kyopro_friends

A - Capitalized?

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

B - Frequency

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

C - Leftover Recipes

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

D - Island Tour

• Official 解説 by yuto1115
• Official 解説放送 by editorial_admin
• User Editorial by AngrySadEight

E - Chords

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

F - Negative Traveling Salesman

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

G - evall

• Official Editorial by evima
• Official 解説放送 by editorial_admin
• User Editorial by kyopro_friends
• 行列表現による解法 by noimi