{"id":34531,"date":"2025-11-19T09:00:46","date_gmt":"2025-11-19T17:00:46","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=34531"},"modified":"2025-11-19T09:29:17","modified_gmt":"2025-11-19T17:29:17","slug":"parity-lines-sudoku-by-thomas-snyder","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/11\/parity-lines-sudoku-by-thomas-snyder\/","title":{"rendered":"Parity Lines Sudoku by Thomas Snyder"},"content":{"rendered":"<p>(This post is part of: <a href=https:\/\/www.gmpuzzles.com\/blog\/tag\/asoss\/>&#8220;A Story of Self-setting Sudoku&#8221;<\/a>.)<br \/>\n<i>Today marks our 100th <a href=https:\/\/www.linkedin.com\/games\/mini-sudoku\/>Mini Sudoku<\/a> post on LinkedIn. If I had a paperclip for every time someone has played Mini Sudoku over that time, my guess is I&#8217;d have somewhere between 100 million and a billion paperclips? That seems pretty cool. (Note to self: never become a billionaire in the currency of paperclips.)<\/i><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251119-ParityLinesSudoku-100.png\" alt=\"Parity Lines Sudoku by Thomas Snyder\"><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251119-ParityLinesSudoku-100.pdf\">PDF<\/a><\/p>\n<p>or <a href=https:\/\/gmpuzzles.com\/s\/251119MS100>solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Theme:<\/b> 100: A Big Celebration for a Mini Milestone<\/p>\n<p><b>Author\/Opus:<\/b> This is the 606th puzzle from Thomas Snyder, aka Dr. Sudoku.<\/p>\n<p><b>Rules:<\/b> Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region. Also, numbers in cells directly connected by a red line must alternate between even (2, 4, 6 , 8) and odd (1, 3, 5, 7, 9) numbers.<\/p>\n<p><b>Estimated Difficulty:<\/b> 2 stars<\/p>\n<p><b>Solution:<\/b> <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251119-ParityLinesSudoku-100-soln.pdf>PDF<\/a>.<\/p>\n<p><b>Note:<\/b> Follow this link for other less common variations of <a href=\"https:\/\/www.gmpuzzles.com\/blog\/tag\/sudoku-3+variation-2\/\">Sudoku<\/a>.<\/p>\n<p><b>Note 2:<\/b>\u00a0Comments on the blog are great! For a more interactive discussion, please also consider using our\u00a0<a href=\"https:\/\/discord.com\/channels\/1059513302847336469\/1388325118698065981\/1388325118698065981\">Twelve Months of Sudoku?<\/a>\u00a0post\u00a0on the GMPuzzles Discord. Not a member of the Discord? Click\u00a0<a href=\"https:\/\/discord.gg\/RNNfEBEbQS\">this link<\/a>\u00a0for basic access.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(This post is part of: &#8220;A Story of Self-setting Sudoku&#8221;.) Today marks our 100th Mini Sudoku post on LinkedIn. If I had a paperclip for every time someone has played Mini Sudoku over that time, my guess is I&#8217;d have somewhere between 100 million and a billion paperclips? That seems pretty cool. (Note to self: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,126],"tags":[8,10,56],"class_list":["post-34531","post","type-post","status-publish","format-standard","hentry","category-puzzle","category-othersudoku","tag-sudoku-3","tag-mondaytuesday","tag-variation-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Parity Lines Sudoku by Thomas Snyder - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Today marks our 100th Mini Sudok post on LinkedIn. That seems pretty cool and we made this Sudoku variation to celebrate.\" \/>\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\/2025\/11\/parity-lines-sudoku-by-thomas-snyder\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Parity Lines Sudoku by Thomas Snyder - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"Today marks our 100th Mini Sudok post on LinkedIn. That seems pretty cool and we made this Sudoku variation to celebrate.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2025\/11\/parity-lines-sudoku-by-thomas-snyder\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-19T17:00:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-19T17:29:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251119-ParityLinesSudoku-100.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\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/\"},\"author\":{\"name\":\"drsudoku\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\"},\"headline\":\"Parity Lines Sudoku by Thomas Snyder\",\"datePublished\":\"2025-11-19T17:00:46+00:00\",\"dateModified\":\"2025-11-19T17:29:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/\"},\"wordCount\":188,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2025\\\/251119-ParityLinesSudoku-100.png\",\"keywords\":[\"sudoku\",\"mon\\\/tues\",\"variation\"],\"articleSection\":[\"Puzzle\",\"Other Sudoku\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/\",\"name\":\"Parity Lines Sudoku by Thomas Snyder - The Art of Puzzles\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/11\\\/parity-lines-sudoku-by-thomas-snyder\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2025\\\/251119-ParityLinesSudoku-100.png\",\"datePublished\":\"2025-11-19T17:00:46+00:00\",\"dateModified\":\"2025-11-19T17:29:17+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/16f28006b2b31c98ce6d8d1affd60275\"},\"description\":\"Today marks our 100th Mini Sudok post on LinkedIn. 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