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The analysis of Sudoku is generally divided between analyzing the properties of unsolved puzzles (such as the minimum possible number of given clues) and analyzing the properties of solved puzzles. Initial analysis was largely focused on enumerating solutions, with results first appearing in 2004. [1] For classical Sudoku, the number of filled ...
The fewest clues possible for a proper Sudoku is 17. [28] Tens of thousands of distinct Sudoku puzzles have only 17 clues. [29] The number of classic 9×9 Sudoku solution grids is 6,670,903,752,021,072,936,960, or around 6.67 × 10 21. [30]
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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Daily Commuter crossword-SUDOKU. Play the USA TODAY Sudoku Game. JUMBLE. ... Online Crossword & Sudoku Puzzle Answers for 11/14/2024 - USA TODAY. Show comments. Advertisement. Advertisement.
Minimum Su Doku [4] – The class of puzzles which have the minimum number of clues needed to allow a complete and unique solution, i.e. minimal Sudokus. Jigsaw Sudoku – Regular 9×9 Sudoku that row and column rules apply, but instead of a 3×3 grid they are nine Jigsaw shapes.
As in Sudoku, the goal of each puzzle is to fill a grid with digits –– 1 through 4 for a 4×4 grid, 1 through 5 for a 5×5, 1 through 6 for a 6×6, etc. –– so that no digit appears more than once in any row or any column (a Latin square). Grids range in size from 3×3 to 9×9.
The Mathematics of Sudoku article seems to be about combinatoric studies of Sudoku puzzles. As such, it discusses topics such as calculating the number of different Sudoku puzzles which can be constructed, determining whether it is theoretically possible for a Sudoku puzzle to have a given pattern, and so on.
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