EntityQ478093· pop 11· linked from 3 articlesshikakuSign in to saveis a logic puzzle published by Nikoli.Article5 sectionsContentsHistoryRulesComputational complexitySee alsoReferencesis a logic puzzle published by Nikoli.==History==Read full article (8 paragraphs)ConnectionsNikoliCompanyInternational Standard Book NumberEntityCategoriesJapanese board gamesLogic puzzlesNP-complete problemsRectangular subdivisions