{"id":19798,"date":"2022-03-01T21:00:42","date_gmt":"2022-03-02T05:00:42","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=19798"},"modified":"2024-07-20T07:42:13","modified_gmt":"2024-07-20T14:42:13","slug":"bonus-tight-fit-sudoku-difference-by-prasanna-seshadri","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/","title":{"rendered":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri"},"content":{"rendered":"

This puzzle is a special Birthday Sudoku variation by Prasanna Seshadri, marking March 2, 1991 to March 2, 2022.<\/i><\/p>\n

\"Tight<\/p>\n

PDF<\/a><\/p>\n

or solve online<\/a> (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku = big entries and Number candidate = small entries in the corners of cells.)<\/p>\n

Theme:<\/b> Tight Fitting a New Beginning<\/p>\n

Author\/Opus:<\/b> This is the 229th puzzle from our contributing puzzlemaster Prasanna Seshadri.<\/p>\n

Rules:<\/b> Variation of Tight Fit Sudoku<\/a> rules: Insert a number from {0,1,2,2,2,3,3,9} into each cell so that the full number set appears in each row, column, and bold region. Some white and black circles are given on some slashes. If there is a black circle with the slash, the bigger number must be above the smaller number. If there is a white circle with the slash, the smaller number must be above the bigger number. A number in a circle gives the difference between the two values in the cell with the slash. If the difference is 0, the color of the circle is irrelevant.<\/p>\n

Difficulty:<\/b> 2 stars<\/p>\n

Time Standards (highlight to view):<\/b> Grandmaster = 2:30, Master = 3:30, Expert = 7:00<\/span><\/p>\n

Solution:<\/b> PDF<\/a>; a solution video is also available here<\/a>.<\/p>\n

Note:<\/b> Follow this link for other Tight Fit Sudoku puzzles<\/a> on this website. If you are new to this puzzle type, here are our easiest Tight Fit Sudoku<\/a> to get started on. More Tight Fit Sudoku can be found in our beginner-friendly collection Intro to GMPuzzles<\/i><\/a> by Serkan Y\u00fcrekli, in The Art of Sudoku 2<\/i><\/a>, and in Masterpiece Sudoku Mix 5: Tight Fit Sudoku<\/i><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

This puzzle is a special Birthday Sudoku variation by Prasanna Seshadri, marking March 2, 1991 to March 2, 2022. PDF or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku = big entries and Number candidate = small entries in the corners of cells.) Theme: Tight Fitting a New […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,3,55],"tags":[15,21,56],"class_list":["post-19798","post","type-post","status-publish","format-standard","hentry","category-tight-fit-sudoku","category-puzzle","category-variation","tag-wednesdaythursday","tag-tightfitsudoku","tag-variation-2"],"yoast_head":"\nBonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2022-03-02T05:00:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-20T14:42:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png\" \/>\n<meta name=\"author\" content=\"drsudoku\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:site\" content=\"@drsudoku\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"drsudoku\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/\"},\"author\":{\"name\":\"drsudoku\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\"},\"headline\":\"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri\",\"datePublished\":\"2022-03-02T05:00:42+00:00\",\"dateModified\":\"2024-07-20T14:42:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/\"},\"wordCount\":256,\"commentCount\":6,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2022\\\/220302-BirthdayBonus-TightFitSudokuDifference.png\",\"keywords\":[\"wed\\\/thurs\",\"tightfitsudoku\",\"variation\"],\"articleSection\":[\"Tight Fit Sudoku\",\"Puzzle\",\"Variation\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/\",\"name\":\"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2022\\\/220302-BirthdayBonus-TightFitSudokuDifference.png\",\"datePublished\":\"2022-03-02T05:00:42+00:00\",\"dateModified\":\"2024-07-20T14:42:13+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\"},\"description\":\"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2022\\\/220302-BirthdayBonus-TightFitSudokuDifference.png\",\"contentUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2022\\\/220302-BirthdayBonus-TightFitSudokuDifference.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2022\\\/03\\\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/\",\"name\":\"The Art of Puzzles\",\"description\":\"Grandmaster Puzzles\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\",\"name\":\"drsudoku\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/12\\\/drsudoku_avatar_1483074039-96x96.jpg\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/12\\\/drsudoku_avatar_1483074039-96x96.jpg\",\"contentUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/12\\\/drsudoku_avatar_1483074039-96x96.jpg\",\"caption\":\"drsudoku\"},\"description\":\"3 time world sudoku champion, 6 time US puzzle champion, artisan puzzle designer with over a half dozen books and dozens of magazine articles on sudoku and other variations.\",\"sameAs\":[\"https:\\\/\\\/www.gmpuzzles.com\"],\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/author\\\/drsudoku\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles","description":"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/","og_locale":"en_US","og_type":"article","og_title":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles","og_description":"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.","og_url":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/","og_site_name":"The Art of Puzzles","article_published_time":"2022-03-02T05:00:42+00:00","article_modified_time":"2024-07-20T14:42:13+00:00","og_image":[{"url":"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png","type":"","width":"","height":""}],"author":"drsudoku","twitter_card":"summary_large_image","twitter_creator":"@drsudoku","twitter_site":"@drsudoku","twitter_misc":{"Written by":"drsudoku","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#article","isPartOf":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/"},"author":{"name":"drsudoku","@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/16f28006b2b31c98ce6d8d1affd60275"},"headline":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri","datePublished":"2022-03-02T05:00:42+00:00","dateModified":"2024-07-20T14:42:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/"},"wordCount":256,"commentCount":6,"image":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#primaryimage"},"thumbnailUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png","keywords":["wed\/thurs","tightfitsudoku","variation"],"articleSection":["Tight Fit Sudoku","Puzzle","Variation"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/","url":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/","name":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri - The Art of Puzzles","isPartOf":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#primaryimage"},"image":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#primaryimage"},"thumbnailUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png","datePublished":"2022-03-02T05:00:42+00:00","dateModified":"2024-07-20T14:42:13+00:00","author":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/16f28006b2b31c98ce6d8d1affd60275"},"description":"Prasanna Seshadri's 31st birthday is today and he has continued a tradition of sharing a logic puzzle with us to mark the occasion.","breadcrumb":{"@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#primaryimage","url":"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png","contentUrl":"https:\/\/www.gmpuzzles.com\/images\/puzzles2022\/220302-BirthdayBonus-TightFitSudokuDifference.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.gmpuzzles.com\/blog\/2022\/03\/bonus-tight-fit-sudoku-difference-by-prasanna-seshadri\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.gmpuzzles.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Bonus: Tight Fit Sudoku (Difference) by Prasanna Seshadri"}]},{"@type":"WebSite","@id":"https:\/\/www.gmpuzzles.com\/blog\/#website","url":"https:\/\/www.gmpuzzles.com\/blog\/","name":"The Art of Puzzles","description":"Grandmaster Puzzles","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.gmpuzzles.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.gmpuzzles.com\/blog\/#\/schema\/person\/16f28006b2b31c98ce6d8d1affd60275","name":"drsudoku","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.gmpuzzles.com\/blog\/wp-content\/uploads\/2016\/12\/drsudoku_avatar_1483074039-96x96.jpg","url":"https:\/\/www.gmpuzzles.com\/blog\/wp-content\/uploads\/2016\/12\/drsudoku_avatar_1483074039-96x96.jpg","contentUrl":"https:\/\/www.gmpuzzles.com\/blog\/wp-content\/uploads\/2016\/12\/drsudoku_avatar_1483074039-96x96.jpg","caption":"drsudoku"},"description":"3 time world sudoku champion, 6 time US puzzle champion, artisan puzzle designer with over a half dozen books and dozens of magazine articles on sudoku and other variations.","sameAs":["https:\/\/www.gmpuzzles.com"],"url":"https:\/\/www.gmpuzzles.com\/blog\/author\/drsudoku\/"}]}},"_links":{"self":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/19798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/comments?post=19798"}],"version-history":[{"count":5,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/19798\/revisions"}],"predecessor-version":[{"id":29674,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/posts\/19798\/revisions\/29674"}],"wp:attachment":[{"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/media?parent=19798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/categories?post=19798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gmpuzzles.com\/blog\/wp-json\/wp\/v2\/tags?post=19798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}