{"id":161,"date":"2025-12-15T09:21:02","date_gmt":"2025-12-14T20:21:02","guid":{"rendered":"https:\/\/thesudoku.com\/blog\/?page_id=161"},"modified":"2025-12-19T17:22:12","modified_gmt":"2025-12-19T04:22:12","slug":"last-free-cell","status":"publish","type":"page","link":"https:\/\/thesudoku.com\/blog\/last-free-cell\/","title":{"rendered":"Last Free Cell"},"content":{"rendered":"\n
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< Back<\/a><\/p>\n<\/div>\n\n\n\n

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Last Free Cell<\/p>\n\n\n\n

This is a simple strategy that relies on identifying units where only one cell is empty.<\/p>\n\n\n\n

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  1. The Sudoku grid consists of rows, columns, and 3×3 blocks. We will refer to these parts (rows, columns, and blocks) as “units.”<\/li>\n<\/ol>\n\n\n\n
    \"Sudoku<\/figure>\n<\/div>\n\n\n\n
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    1. To find the cell with the last remaining number, check which numbers are already present in the row, column, and block. <\/li>\n<\/ol>\n\n\n\n
      \"Last<\/figure>\n<\/div>\n\n\n\n
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      \n\n\n\n
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      1. Therefore, if there is only one free cell left in a unit, it is easy to determine which number from 1 to 9 is missing.<\/li>\n<\/ol>\n\n\n\n
        \"Last<\/figure>\n<\/div>\n<\/div>\n\n\n\n
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        < Home<\/a><\/p>\n\n\n\n

        Last Remaining Number ><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n

        <\/p>\n","protected":false},"excerpt":{"rendered":"

        < Back Last Free Cell This is a simple strategy that relies on identifying units where only one cell is empty. < Home Last Remaining Number ><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"footnotes":""},"categories":[112],"tags":[],"class_list":["post-161","page","type-page","status-publish","hentry","category-easy-techniques"],"yoast_head":"\nLast Free Cell - TheSudoku.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thesudoku.com\/blog\/last-free-cell\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Last Free Cell - TheSudoku.com\" \/>\n<meta property=\"og:description\" content=\"< Back Last Free Cell This is a simple strategy that relies on identifying units where only one cell is empty. < Home Last Remaining Number >\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thesudoku.com\/blog\/last-free-cell\/\" \/>\n<meta property=\"og:site_name\" content=\"TheSudoku.com\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-19T04:22:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thesudoku.com\/blog\/wp-content\/uploads\/2025\/12\/Group-20875.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/thesudoku.com\/blog\/last-free-cell\/\",\"url\":\"https:\/\/thesudoku.com\/blog\/last-free-cell\/\",\"name\":\"Last Free Cell - 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