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Sudoku. Completely fill the 9x9 grid, using the values 1 through 9 only once in each 3x3 section of the puzzle. By Masque Publishing. Advertisement. Advertisement. Feedback. Help. Join AOL ...
Microsoft planned to include games when developing Windows 1.0 in 1983–1984. Pre-release versions of Windows 1.0 initially included another game, Puzzle, but it was scrapped in favor of Reversi, based on the board game of the same name. [1] Reversi was included in Windows versions up to Windows 3.1. Solitaire was developed in 1988 by the ...
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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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A Sudoku with 18 clues and two-way diagonal symmetry. This section refers to classic Sudoku, disregarding jigsaw, hyper, and other variants. A completed Sudoku grid is a special type of Latin square with the additional property of no repeated values in any of the nine blocks (or boxes of 3×3 cells).
Despite solitaire games previously being included in Windows for free since 1990, [5] they were not included in Windows 8 or Windows 8.1 and were uninstalled during upgrades from previous systems. [6] Instead, Microsoft produced the advertising-supported [2] Microsoft Solitaire Collection that users could download through the Windows Store.
Mathematical context. The general problem of solving Sudoku puzzles on n2 × n2 grids of n × n blocks is known to be NP-complete. [8] A puzzle can be expressed as a graph coloring problem. [9] The aim is to construct a 9-coloring of a particular graph, given a partial 9-coloring. The Sudoku graph has 81 vertices, one vertex for each cell.