{"id":33681,"date":"2025-08-04T00:00:20","date_gmt":"2025-08-04T07:00:20","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=33681"},"modified":"2025-08-07T17:09:42","modified_gmt":"2025-08-08T00:09:42","slug":"odd-even-big-small-sudoku-by-bill-murphy","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/08\/odd-even-big-small-sudoku-by-bill-murphy\/","title":{"rendered":"Odd-Even-Big-Small 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>In Odd-Even-Big-Small Sudoku there are lots of category clues to the first two numbers inside the grid. Can you figure out how those make a unique solution? <\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250804-OddEvenBigSmallSudoku.png\" alt=\"Odd-Even-Big-Small Sudoku by Bill Murphy\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250804-OddEvenBigSmallSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/250804OEBS\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 20th 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 8 into each cell so that no number repeats in any row, column, or bold region). Clues outside the grid give the nature of the first two cells seen from the direction of the clue as follows:<br \/>\nO for Odd = (1,3,5,7};<br \/>\nE for Even = {2,4,6,8};<br \/>\nB for Big = {5,6,7,8};<br \/>\nS for Small = {1,2,3,4}.<\/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;\">6:00<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white; background-color: white;\">11:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white; background-color: white;\">Subtle Supersaurus<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view): <\/b> <span style=\"color: white; background-color: white;\">2:59<\/span>, with <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-Bill_Murph-Big_Small_Odd_Even-a801-d180.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\/250804-OddEvenBigSmallSudoku-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/pKsZeLCv4eI\">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.) In Odd-Even-Big-Small Sudoku there are lots of category clues to the first two numbers inside the grid. Can you figure out how those make a unique solution? PDF or solve online (using SudokuPad) Author\/Opus: This is the 20th puzzle from Bill Murphy, part of [&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-33681","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>Odd-Even-Big-Small Sudoku by Bill Murphy - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"In Odd-Even-Big-Small Sudoku there are lots of category clues to the first two numbers inside the grid. Can you find a unique solution?\" \/>\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\/odd-even-big-small-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=\"Odd-Even-Big-Small Sudoku by Bill Murphy - The Art of Puzzles\" \/>\n<meta property=\"og:description\" content=\"In Odd-Even-Big-Small Sudoku there are lots of category clues to the first two numbers inside the grid. 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