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  2. Taking Sudoku Seriously - Wikipedia

    en.wikipedia.org/wiki/Taking_Sudoku_Seriously

    The book also includes discussions on the nature of mathematics and the use of computers in mathematics. [4] After an introductory chapter on Sudoku and its deductive puzzle-solving techniques [1] (also touching on Euler tours and Hamiltonian cycles), [5] the book has eight more chapters and an epilogue.

  3. File:4x4 shapes sudoku puzzle.pdf - Wikipedia

    en.wikipedia.org/wiki/File:4x4_shapes_sudoku...

    The following other wikis use this file: Usage on en.wikibooks.org Wikijunior:Maze and Drawing Book; Wikijunior:Maze and Drawing Book/Print version

  4. Sudoku - Wikipedia

    en.wikipedia.org/wiki/Sudoku

    French newspapers featured similar puzzles in the 19th century, and the modern form of the puzzle first appeared in 1979 puzzle books by Dell Magazines under the name Number Place. [5] However, the puzzle type only began to gain widespread popularity in 1986 when it was published by the Japanese puzzle company Nikoli under the name Sudoku ...

  5. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    A minimal puzzle is a proper puzzle from which no clue can be removed without introducing additional solutions. Solving Sudokus from the viewpoint of a player has been explored in Denis Berthier's book "The Hidden Logic of Sudoku" (2007) [7] which considers strategies such as "hidden xy-chains".

  6. Category:Puzzle books - Wikipedia

    en.wikipedia.org/wiki/Category:Puzzle_books

    Download as PDF; Printable version; ... Pages in category "Puzzle books" ... Taking Sudoku Seriously; To Mock a Mockingbird; Treasure: In Search of the Golden Horse ...

  7. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    A typical Sudoku puzzle. A standard Sudoku contains 81 cells, in a 9×9 grid, and has 9 boxes, each box being the intersection of the first, middle, or last 3 rows, and the first, middle, or last 3 columns. Each cell may contain a number from one to nine, and each number can only occur once in each row, column, and box.

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