{"id":34677,"date":"2025-12-15T00:00:23","date_gmt":"2025-12-15T08:00:23","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=34677"},"modified":"2025-12-16T15:31:48","modified_gmt":"2025-12-16T23:31:48","slug":"xv-pairs-sudoku-by-philip-newman-3","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/12\/xv-pairs-sudoku-by-philip-newman-3\/","title":{"rendered":"XV Pairs Sudoku by Philip Newman"},"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>Three more numbers (13, 14, 15) are here in this Advent Calendar edition of XV Pairs Sudoku.<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251215-XVPairsSudoku-KnoxvillianFluxvalve.png\" alt=\"XV Pairs Sudoku by Philip Newman\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/251215-XVPairsSudoku-KnoxvillianFluxvalve.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/251215Knox\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 67th puzzle from Philip Newman, 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). 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, the cages surrounding some givens are just showing part of the visual theme and have no other meaning.) <\/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\">8:00<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white;background-color: white\">15:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white;background-color: white\">Dawdling Domeykosaurus<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white;background-color: white\">4:09<\/span>, with <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-Philip_New-XV_Pairs-a1179-d252.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\/251215-XVPairsSudoku-KnoxvillianFluxvalve-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/ssfKoRGOLEQ\">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.) Three more numbers (13, 14, 15) are here in this Advent Calendar edition of XV Pairs Sudoku. PDF or solve online (using SudokuPad) Author\/Opus: This is the 67th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team. Rules: Standard Sudoku rules [&hellip;]<\/p>\n","protected":false},"author":442,"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-34677","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 Sudoku by Philip Newman - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Three more numbers (13, 14, 15) are here in this Advent Calendar edition of XV Pairs Sudoku.\" \/>\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-sudoku-by-philip-newman-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XV Pairs Sudoku by Philip Newman - 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