{"id":33914,"date":"2025-08-21T00:00:10","date_gmt":"2025-08-21T07:00:10","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=33914"},"modified":"2025-08-22T08:35:51","modified_gmt":"2025-08-22T15:35:51","slug":"japanese-sums-sudoku-by-clover","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/08\/japanese-sums-sudoku-by-clover\/","title":{"rendered":"Japanese Sums 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>This Sudoku and Japanese Sums hybrid will have you thinking mathematically while marking up some cells in the grid. Can you solve this fun challenge from clover?<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" src=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250821-JapaneseSumsSudoku.png\" alt=\"Japanese Sums Sudoku by clover!\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250821-JapaneseSumsSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/250821JSum\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 47th puzzle from Clover, part of the Genuinely Approachable Sudoku (<a href=\"https:\/\/sudokutheory.com\/gas\/\">GAS<\/a>) team.<\/p>\n<p><b>Rules:<\/b> Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region. This is also a two-color Japanese Sums puzzle. Some cells must be shaded gray or red, and the clues outside the grid indicate the sums  of numbers in adjacent shaded groups (one or more cells) in that row or column in order from left to right or top to bottom. Each same colored sum is separated by at least one unused cell, while gray and red regions can touch without a cell between. All outside clues are given in this puzzle, meaning all shaded groups are clued. (Outside red clues are also underlined to help identify them from the gray clues.)<\/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>\u00a0All other solvers earn a \ud83e\udd95: <span style=\"color: white;background-color: white\">Japanese Jinfengopteryx<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white;background-color: white\">3:04<\/span>, with <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-clover-August_18_2025_Japanese_Sums_S-a821-d186.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\/250821-JapaneseSumsSudoku-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/eXeMjULW06U\">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.) This Sudoku and Japanese Sums hybrid will have you thinking mathematically while marking up some cells in the grid. Can you solve this fun challenge from clover? PDF or solve online (using SudokuPad) Author\/Opus: This is the 47th puzzle from Clover, part of the [&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-33914","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>Japanese Sums Sudoku by clover! - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"This Sudoku and Japanese Sums hybrid by clover! will have you thinking mathematically while marking up some cells in the grid.\" \/>\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\/japanese-sums-sudoku-by-clover\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Japanese Sums Sudoku by clover! 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