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The cell values cannot be empty, else the cell grid borders don't show. Use as default. See [[Template: Sudoku 9x9 table]] and [[Template: Sudoku 3x3 table]] for table trivia Modeled after [[Template: 4x4 type square]] Orig: LarryLACa 11/4/05 This comment must cuddle next template call to avoid introducing nl whitespace in output,
There was/is a related (margin disconnect) problem for the cellsize of empty vs set cells. This is minimized by (now) always having at least an nbsp value in blank cells (when called from 9x9 grid). The default cellsize was also set to typical font height, so the cells are relatively square.
Sudoku. Completely fill the 9x9 grid, using the values 1 through 9 only once in each 3x3 section of the puzzle. By Masque Publishing
Another variant on the logic of the solution is "Clueless Sudoku", in which nine 9×9 Sudoku grids are each placed in a 3×3 array. The center cell in each 3×3 grid of all nine puzzles is left blank and forms a tenth Sudoku puzzle without any cell completed; hence, "clueless". [24] Examples and other variants can be found in the Glossary of ...
For classical Sudoku, the number of filled grids is 6,670,903,752,021,072,936,960 (6.671 × 10 21), which reduces to 5,472,730,538 essentially different solutions under the validity-preserving transformations. There are 26 possible types of symmetry, but they can only be found in about 0.005% of all filled grids. An ordinary puzzle with a ...
Randomly assign numbers to the blank cells in the grid. Calculate the number of errors. "Shuffle" the inserted numbers until the number of mistakes is reduced to zero. A solution to the puzzle is then found. Approaches for shuffling the numbers include simulated annealing, genetic algorithm and tabu search. Stochastic-based algorithms are known ...
Template:Chess diagram 9x9 (square size 26x26 px) Template:Chess diagram 9x9 small (square size 22x22 px) Template:Chess diagram 10x10 (square size 26x26 px) Template:Chess diagram 10x10 small (square size 22x22 px) For other board sizes, use {{#invoke:chessboard mxn|board|cols=|rows= There are also templates for chess variants:
Xbox 360 version.. Buku Sudoku 360 offers variations on the traditional Sudoku puzzle including 4x4, 6x6, 8x8, 9x9, 12x12 and 16x16 grids. There are also three difficulty levels featured, as well as a "Create Your Own Sudoku" feature.