{"id":33355,"date":"2025-07-11T09:00:29","date_gmt":"2025-07-11T16:00:29","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=33355"},"modified":"2025-07-23T19:59:24","modified_gmt":"2025-07-24T02:59:24","slug":"multi-car-pileup-by-dr-sudoku","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/07\/multi-car-pileup-by-dr-sudoku\/","title":{"rendered":"Multi-car Pileup by Dr. Sudoku"},"content":{"rendered":"

(This post is part of: “A Story of Self-setting Sudoku”<\/a>.)
\nOur testing was fine in a single country, like the US where Sudoku originated. But when we considered the rules of the road in Japan, and then the unusual spacing initially seen in Britain too, everything got messed up. Single systems are not useful. We\u2019ll need to think about at least two, maybe three at a time to get to ASI.<\/i><\/p>\n

\"by<\/p>\n

PDF<\/a><\/p>\n

or solve online<\/a> (using SudokuPad)<\/p>\n

Author\/Opus:<\/b> This is 5th puzzle from “Dr. Sudoku”, our AI-powered puzzle engine pushing the limits of sudoku intelligence.<\/p>\n

Rules:<\/b> Insert a number from 1 to 9 into each white cell so that no number repeats in any row, column, or bold region. <\/p>\n

Difficulty (highlight to view):<\/b> 4 stars<\/span><\/p>\n

Time Standards (highlight to view):<\/b> Grandmaster = 7:30, Master = 12:30, Expert = 25:00<\/span><\/p>\n

Solution:<\/b> PDF<\/a> and solving video<\/a> from Unshackling Sudokus & Puzzles channel.<\/p>\n

Note:<\/b> Follow this link for classic Sudoku<\/a>. If you are new to this puzzle type, here are our easiest Sudoku<\/a> to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku<\/i><\/a>, The Art of Sudoku 2<\/i><\/a> and in our beginner-friendly collection Intro to GMPuzzles<\/i><\/a> by Serkan Y\u00fcrekli.<\/p>\n

Note 2:<\/b>\u00a0Comments on the blog are great! For a more interactive discussion, please also consider using our\u00a0Twelve Months of Sudoku?<\/a>\u00a0post\u00a0on the GMPuzzles Discord. Not a member of the Discord? Click\u00a0this link<\/a>\u00a0for basic access.<\/p>\n","protected":false},"excerpt":{"rendered":"

(This post is part of: “A Story of Self-setting Sudoku”.) Our testing was fine in a single country, like the US where Sudoku originated. But when we considered the rules of the road in Japan, and then the unusual spacing initially seen in Britain too, everything got messed up. Single systems are not useful. We\u2019ll […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125,3],"tags":[8,17,82,241],"class_list":["post-33355","post","type-post","status-publish","format-standard","hentry","category-classic-sudoku","category-puzzle","tag-sudoku-3","tag-fridaysaturday","tag-classic","tag-asoss"],"yoast_head":"\nMulti-car Pileup by Dr. Sudoku - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"Our testing was fine in a single country, but when we got to global market share and new international rules, everything got messed up.\" \/>\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\/07\/multi-car-pileup-by-dr-sudoku\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multi-car Pileup by Dr. Sudoku - 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