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Overview168 Sum-Sudoku Puzzles Medium to hard difficulty level Also called killer Sudoku or sumdoku, or addoku, or sumoku Puzzle grids of 4x4, 6x6, 8x8, 9x9 Two puzzles per page Puzzles with regular sub-grids/sub-domains (square or rectangle) Several puzzles with irregular sub-domains (like in jigsaw Sudoku) Most puzzles have as initial clues only the corresponding sums of killer Sudoku. Few puzzles have additional initial clues consisting of digits (like in partially filled puzzles). The last 10 puzzles are variations with additional constraints like in diagonal Sudoku, Windoku, anti-king and anti-knight Sudoku, anti-diagonal Sudoku number puzzles sudoku variation puzzles math puzzles Full Product DetailsAuthor: V PuzzgenPublisher: Independently Published Imprint: Independently Published Dimensions: Width: 15.20cm , Height: 0.60cm , Length: 22.90cm Weight: 0.163kg ISBN: 9798874178703Pages: 116 Publication Date: 06 January 2024 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |