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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).
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 ...
The post 20 Printable Sudoku Puzzles to Test Your Smarts appeared first on Reader's Digest. These printable sudoku puzzles are four different levels of difficulty. You want to start with the easy ...
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.
Printable version; Page information; Get shortened URL; Download QR code; ... English: Easy 4x4 sudoku puzzle for kindergarteners, drawing shapes. Date: 26 November 2017:
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.
Call tree: Template does and calls next Sudoku 9x9 grid expands args Sudoku 3x3 box table table with 9 boxes, main grid Sudoku 3x3 box box with 3x3 cells Sudoku 3x3 table table with 3x3 cells, int. grids only 3x3 box args: 1..9 cell digits, gc - grid color, internal minor grid borders only cellsize c1..9 - cell background colors Implementation Notes: |= is a continuation trick, see{{Chess ...
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