{"id":33827,"date":"2025-08-11T00:00:21","date_gmt":"2025-08-11T07:00:21","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=33827"},"modified":"2025-08-22T08:51:23","modified_gmt":"2025-08-22T15:51:23","slug":"even-sandwich-sudoku-by-philip-newman","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/08\/even-sandwich-sudoku-by-philip-newman\/","title":{"rendered":"Even Sandwich 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>When a number is surrounded by two even numbers left\/right or top\/bottom, you&#8217;re given a clue to that &#8220;sandwich&#8221; in this puzzle.<\/em><\/p>\n<p align=\"center\"><img src=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250811-EvenSandwichSudoku.png alt=\"Even Sandwich Sudoku by Philip Newman\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250811-EvenSandwichSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/250811Even\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Theme:<\/b> Pattern? What Pattern?<\/p>\n<p><b>Author\/Opus:<\/b> This is the 25th 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 <a href=\"https:\/\/www.gmpuzzles.com\/blog\/sudoku-rules-and-info\/\">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. Also, the clues outside the grid indicate all numbers in that row or column surrounded by even numbers on both sides (\u201dsandwiched\u201d). Clues can be given in any order, and all such numbers are given. If a clue is a \u2018\u2013\u2019, then no values in that row or column are sandwiched between two even numbers.<\/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;\">7:30<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white; background-color: white;\">16:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white; background-color: white;\">August Amargatitanis<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white; background-color: white;\">4:06<\/span>, with <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-Philip_New-2025_08_11_Even_Sandwich-a1021-d247.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\/250811-EvenSandwichSudoku-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/144kRHYoU7c\">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.) When a number is surrounded by two even numbers left\/right or top\/bottom, you&#8217;re given a clue to that &#8220;sandwich&#8221; in this puzzle. PDF or solve online (using SudokuPad) Theme: Pattern? What Pattern? Author\/Opus: This is the 25th puzzle from Philip Newman, part of the [&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-33827","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>Even Sandwich Sudoku by Philip Newman - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"When a number is surrounded by two even numbers left\/right or top\/bottom, you&#039;re given a clue to that &quot;sandwich&quot; in this puzzle.\" \/>\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\/08\/even-sandwich-sudoku-by-philip-newman\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Even Sandwich Sudoku by Philip Newman - 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