{"id":35819,"date":"2026-06-03T00:00:25","date_gmt":"2026-06-03T07:00:25","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=35819"},"modified":"2026-06-01T21:41:09","modified_gmt":"2026-06-02T04:41:09","slug":"first-seen-odd-even-sudoku-by-clover-2","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2026\/06\/first-seen-odd-even-sudoku-by-clover-2\/","title":{"rendered":"First Seen Odd\/Even Sudoku by clover!"},"content":{"rendered":"<p>(This post is part of the <a href=\"https:\/\/www.gmpuzzles.com\/blog\/tag\/gas\/\">Genuinely Approachable Sudoku (GAS)<\/a> series.)<br \/>\n<em>Isn&#8217;t it nice of clover! to start this First Seen Odd\/Even Sudoku with some &#8220;parity squares&#8221;. Can you figure out how all the numbers fit in?<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260603-FirstSeenOddEvenSudoku-ParitySquares.png\" alt=\"First Seen Odd\/Even Sudoku by clover!\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260603-FirstSeenOddEvenSudoku-ParitySquares.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/260603Pari\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Theme:<\/b> Parity Squares<\/p>\n<p><b>Author\/Opus:<\/b> This is the 143rd puzzle from Clover, part of the Genuinely Approachable Sudoku (<a href=\"https:\/\/sudokutheory.com\/gas\/\">GAS<\/a>) team.<\/p>\n<p><b>Rules:<\/b> Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). The clues outside the grid reveal the first odd or even value appearing in that direction in the row or column. Any number of values of the opposite parity (even or odd) may appear before the first odd or even number.<\/p>\n<p><b>GAS Time Standards (highlight to view):<\/b> Two party hats (\ud83c\udfa9\ud83e\udd73): <span style=\"color: white;background-color: white\">6:30<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white;background-color: white\">12:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white;background-color: white\">square Segnosaurus<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view): <\/b> <span style=\"color: white;background-color: white\">2:00<\/span>, with <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/sudokupad-clover-June_3_2026_Parity_Squares-a513-d122.replay\">SudokuPad replay file<\/a> shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).<\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260603-FirstSeenOddEvenSudoku-ParitySquares-soln.pdf\">PDF<\/a>; solving video with explanation to be added later from GAS team.<\/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\/1380897111599616020\">Daily GAS discussion<\/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 the Genuinely Approachable Sudoku (GAS) series.) Isn&#8217;t it nice of clover! to start this First Seen Odd\/Even Sudoku with some &#8220;parity squares&#8221;. Can you figure out how all the numbers fit in? PDF or solve online (using SudokuPad) Theme: Parity Squares Author\/Opus: This is the 143rd puzzle from Clover, part [&hellip;]<\/p>\n","protected":false},"author":444,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,126],"tags":[8,15,56,237],"class_list":["post-35819","post","type-post","status-publish","format-standard","hentry","category-puzzle","category-othersudoku","tag-sudoku-3","tag-wednesdaythursday","tag-variation-2","tag-gas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>First Seen Odd\/Even Sudoku by clover! - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Isn&#039;t it nice of clover! to start this First Seen Odd\/Even Sudoku with some &quot;parity squares&quot;. Can you figure out how all the numbers fit in?\" \/>\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\/2026\/06\/first-seen-odd-even-sudoku-by-clover-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"First Seen Odd\/Even Sudoku by clover! - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"Isn&#039;t it nice of clover! to start this First Seen Odd\/Even Sudoku with some &quot;parity squares&quot;. Can you figure out how all the numbers fit in?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2026\/06\/first-seen-odd-even-sudoku-by-clover-2\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-03T07:00:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260603-FirstSeenOddEvenSudoku-ParitySquares.png\" \/>\n<meta name=\"author\" content=\"Clover\" \/>\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=\"Clover\" \/>\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\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/\"},\"author\":{\"name\":\"Clover\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/18e8374ccaf31b1bfa1dc36c28c5c56d\"},\"headline\":\"First Seen Odd\\\/Even Sudoku by clover!\",\"datePublished\":\"2026-06-03T07:00:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/\"},\"wordCount\":247,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2026\\\/260603-FirstSeenOddEvenSudoku-ParitySquares.png\",\"keywords\":[\"sudoku\",\"wed\\\/thurs\",\"variation\",\"gas\"],\"articleSection\":[\"Puzzle\",\"Other Sudoku\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/\",\"name\":\"First Seen Odd\\\/Even Sudoku by clover! - The Art of Puzzles\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2026\\\/06\\\/first-seen-odd-even-sudoku-by-clover-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2026\\\/260603-FirstSeenOddEvenSudoku-ParitySquares.png\",\"datePublished\":\"2026-06-03T07:00:25+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/18e8374ccaf31b1bfa1dc36c28c5c56d\"},\"description\":\"Isn't it nice of clover! to start this First Seen Odd\\\/Even Sudoku with some \\\"parity squares\\\". 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