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Continue to Chat麻雀人口、将棋に肉薄 「観る雀」生んだ藤田晋氏の戦略:朝日新聞デジタル https://blog.40ch.net/2019/12/13/mahjong-population-thin-to-shogi-fujita-susumu-strategy-born-watching-sparrow/
麻雀人口、将棋に肉薄 「観る雀」生んだ藤田晋氏の戦略:朝日新聞デジタル https://blog.40ch.net/2019/12/13/mahjong-population-thin-to-shogi-fujita-susumu-strategy-born-watching-sparrow/