{"id":34687,"date":"2025-12-16T00:00:19","date_gmt":"2025-12-16T08:00:19","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=34687"},"modified":"2025-12-20T06:19:18","modified_gmt":"2025-12-20T14:19:18","slug":"xv-pairs-quadruples-sudoku-by-clover","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/12\/xv-pairs-quadruples-sudoku-by-clover\/","title":{"rendered":"XV Pairs Quadruples 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>Clover! is back with another two variant puzzle, this time merging XV Pairs and Quadruples thinking in one connected experience.<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251216-XVPairsQuadruplesSudoku-XVAndIVs.png\" alt=\"XV Pairs Quadruples Sudoku by clover!\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251216-XVPairsQuadruplesSudoku-XVAndIVs.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/251216XVIV\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Theme:<\/b> XV and IVs<\/p>\n<p><b>Author\/Opus:<\/b> This is the 86th 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 <a href=\"https:\/\/www.gmpuzzles.com\/blog\/arrow-sudoku-rules-and-info\/\">Arrow Sudoku<\/a> rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Whenever an X or V, reflecting the Roman numerals for 10 or 5, is placed on the edge between cells, the numbers in the two adjacent cells must sum to exactly 10 or 5. (Pairs of cells without an X or V mark can have any sum value.) Also, numbers in white circles must appear in at least one of the four surrounding cells.<\/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\">Roman Rhabdodon<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white;background-color: white\">2:33<\/span>, with <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-clover-12_16_25_XV_and_IVs-a687-d154.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\/puzzles2025\/251216-XVPairsQuadruplesSudoku-XVAndIVs-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/O6cFxAwAufw\">solving video<\/a> with explanation 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.) Clover! is back with another two variant puzzle, this time merging XV Pairs and Quadruples thinking in one connected experience. PDF or solve online (using SudokuPad) Theme: XV and IVs Author\/Opus: This is the 86th puzzle from Clover, part of the Genuinely Approachable Sudoku [&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-34687","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 v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>XV Pairs Quadruples Sudoku by clover! - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Clover! is back with another two variant puzzle, this time merging XV Pairs and Quadruples thinking in one connected experience.\" \/>\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\/12\/xv-pairs-quadruples-sudoku-by-clover\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XV Pairs Quadruples Sudoku by clover! - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"Clover! is back with another two variant puzzle, this time merging XV Pairs and Quadruples thinking in one connected experience.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gmpuzzles.com\/blog\/2025\/12\/xv-pairs-quadruples-sudoku-by-clover\/\" \/>\n<meta property=\"og:site_name\" content=\"The Art of Puzzles\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-16T08:00:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-20T14:19:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251216-XVPairsQuadruplesSudoku-XVAndIVs.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\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/\"},\"author\":{\"name\":\"Clover\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/#\\\/schema\\\/person\\\/18e8374ccaf31b1bfa1dc36c28c5c56d\"},\"headline\":\"XV Pairs Quadruples Sudoku by clover!\",\"datePublished\":\"2025-12-16T08:00:19+00:00\",\"dateModified\":\"2025-12-20T14:19:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/\"},\"wordCount\":257,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.gmpuzzles.com\\\/images\\\/puzzles2025\\\/251216-XVPairsQuadruplesSudoku-XVAndIVs.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\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/\",\"url\":\"https:\\\/\\\/www.gmpuzzles.com\\\/blog\\\/2025\\\/12\\\/xv-pairs-quadruples-sudoku-by-clover\\\/\",\"name\":\"XV Pairs Quadruples Sudoku by clover! 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