{"id":34872,"date":"2026-01-16T00:00:47","date_gmt":"2026-01-16T08:00:47","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=34872"},"modified":"2026-01-23T10:58:34","modified_gmt":"2026-01-23T18:58:34","slug":"exclusion-quadruples-sudoku-by-bill-murphy","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2026\/01\/exclusion-quadruples-sudoku-by-bill-murphy\/","title":{"rendered":"Exclusion (Quadruples) Sudoku by Bill Murphy"},"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>For his 75th GAS puzzle on GMPuzzles, Bill brings this creative variation where excluding numbers in surrounding cells drives the main logic.<\/em><\/p>\n<p align=\"center\"><img src=https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260116-ExclusionQuadruplesSudoku.png alt=\"Exclusion (Quadruples) Sudoku by Bill Murphy\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/260116-ExclusionQuadruplesSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/260116Excl\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 75th puzzle from Bill Murphy, 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). Numbers in white circles MUST NOT appear in any 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;\">7:00<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white; background-color: white;\">13:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white; background-color: white;\">Outrageous Ornitschian<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white; background-color: white;\">2:06<\/span>, with <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2026\/sudokupad-Bill_Murph-Exclusion_Sudoku-a609-d127.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\/260116-ExclusionQuadruplesSudoku-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/zYMlV2FS4ok\">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.) For his 75th GAS puzzle on GMPuzzles, Bill brings this creative variation where excluding numbers in surrounding cells drives the main logic. PDF or solve online (using SudokuPad) Author\/Opus: This is the 75th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) [&hellip;]<\/p>\n","protected":false},"author":443,"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-34872","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>Exclusion (Quadruples) Sudoku by Bill Murphy - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"For his 75th GAS puzzle on GMPuzzles, Bill brings this creative variation where excluding numbers in surrounding cells drives the main logic.\" \/>\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\/01\/exclusion-quadruples-sudoku-by-bill-murphy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exclusion (Quadruples) Sudoku by Bill Murphy - 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