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  2. Sudoku - Wikipedia

    en.wikipedia.org/wiki/Sudoku

    Sample puzzles can be 4×4 grids with 2×2 regions; 5×5 grids with pentomino regions have been published under the name Logi-5; the World Puzzle Championship has featured a 6×6 grid with 2×3 regions and a 7×7 grid with six heptomino regions and a disjoint region.

  3. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    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.

  4. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    A 24-clue automorphic Sudoku with translational symmetry. Mathematics can be used to study Sudoku puzzles to answer questions such as "How many filled Sudoku grids are there?", "What is the minimal number of clues in a valid puzzle?" and "In what ways can Sudoku grids be symmetric?" through the use of combinatorics and group theory .

  5. Play Sudoku Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/sudoku

    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 ...

  6. Glossary of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_Sudoku

    A Sudoku variant with prime N (7×7) and solution. (with Japanese symbols). Overlapping grids. The classic 9×9 Sudoku format can be generalized to an N×N row-column grid partitioned into N regions, where each of the N rows, columns and regions have N cells and each of the N digits occur once in each row, column or region.

  7. Killer sudoku - Wikipedia

    en.wikipedia.org/wiki/Killer_Sudoku

    Killer sudoku. Killer sudoku (also killer su doku, sumdoku, sum doku, sumoku, addoku, or samunamupure) is a puzzle that combines elements of sudoku and kakuro. Despite the name, the simpler killer sudokus can be easier to solve than regular sudokus, depending on the solver's skill at mental arithmetic; the hardest ones, however, can take hours ...

  8. Template talk:Sudoku 9x9 grid - Wikipedia

    en.wikipedia.org/wiki/Template_talk:Sudoku_9x9_grid

    The impact is minized by setting the table bgcolor to the grid color (gc). This means, it's often OK to call the 9x9 table directly with a few numbered args, the other's being empty. Calling 3x3 table directly is not so easy, since the grid line parms are defined in 3x3 box. -- LarryLACa 21:21, 18 November 2005 (UTC)

  9. Template:Sudoku 3x3 box - Wikipedia

    en.wikipedia.org/wiki/Template:Sudoku_3x3_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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