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実際にあった理不尽すぎる算数の採点2選を再現してみた

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ゲームーナンプレ上級―数独―がんばる寺子屋―解き方の懇切丁寧な説明ー自作ナンプレーナンプレの難問の解き方―色分けによる説明―候補の数字を利用して、難問を解く―ナンプレのコツ―ダイジェスト―スウドク

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東大卒が1週間も勉強すればパズル王に負けるわけないよね？

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【一気見】発狂が止まらないカップヘッド切り身詰め合わせ【実況】

The Uniqueness trick in classic Sudokus Part 1