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A Sudoku starts with some cells containing numbers (clues), and the goal is to solve the remaining cells. Proper Sudokus have one solution. [1] Players and investigators use a wide range of computer algorithms to solve Sudokus, study their properties, and make new puzzles, including Sudokus with interesting symmetries and other properties.
There are many Sudoku variants, partially characterized by size (N), and the shape of their regions. Unless noted, discussion in this article assumes classic Sudoku, i.e. N=9 (a 9×9 grid and 3×3 regions). A rectangular Sudoku uses rectangular regions of row-column dimension R×C.
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Buku Sudoku (titled Buku Números in Mexico and Buku数字パズル in Japan) is a downloadable puzzle game developed by Ukrainian studio Absolutist Ltd and published by Merscom based on Sudoku for the Windows PC's. The game was also released for the Xbox 360 via Xbox Live Arcade, on May 28, 2008.
Sudoku. Completely fill the 9x9 grid, using the values 1 through 9 only once in each 3x3 section of the puzzle. By Masque Publishing
Put on your Sudoku hat and get ready for a challenging Sudoku puzzle!
Sudoku puzzles rapidly spread to other newspapers as a regular feature. [ 5 ] [ 15 ] The rapid rise of Sudoku in Britain from relative obscurity to a front-page feature in national newspapers attracted commentary in the media and parody (such as when The Guardian 's G2 section advertised itself as the first newspaper supplement with a Sudoku ...
Each row, column, or block of the Sudoku puzzle forms a clique in the Sudoku graph, whose size equals the number of symbols used to solve the puzzle. A graph coloring of the Sudoku graph using this number of colors (the minimum possible number of colors for this graph) can be interpreted as a solution to the puzzle.