By eliminating candidates, we can solve the puzzle as follows: +-------+-------+-------+ | 3 4 5 | 9 6 7 | 8 1 2 | | 6 7 8 | 1 2 3 | 4 5 9 | | 9 1 2 | 4 5 6 | 7 8 3 | +-------+-------+-------+ | 2 3 4 | 5 6 7 | 8 9 1 | | 5 6 7 | 8 9 1 | 2 3 4 | | 8 9 1 | 2 3 4 | 5 6 7 | +-------+-------+-------+ | 4 5 6 | 7 8 9 | 1 2 3 | | 7 8 9 | 1 2 3 | 4 5 6 | | 1 2 3 | 4 5 6 | 7 8 9 | +-------+-------+-------+ Example 2: Consider the following Sudoku grid: +-------+-------+-------+ | 1 | 2 | 3 | | 4 | 5 | 6 | | 7 | 8 | 9 | +-------+-------+-------+ | 2 | 3 | 4 | | 5 | 6 | 7 | | 8 | 9 | 1 | +-------+-------+-------+ | 3 | 4 | 5 | | 6 | 7 | 8 | | 9 | 1 | 2 | +-------+-------+-------+ In this grid, we can identify a Swordfish pattern with the numbers 1, 2, 3, and 9. rules of sudoku gamesunday times sudoku The "X-Wing" strategy involves finding two rows or columns with the same two candidates in two different boxes.
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No Repetition : Each cell can only contain one number, and the same number cannot be repeated in the same row, column, or subgrid. rules of sudoku game A standard Sudoku grid consists of nine 3x3 subgrids called "boxes" or "regions." Each row, column, and box must contain the digits 1 through 9 without repetition. sudoku for elderlymiami herald sudoku You must use the digits 1 to 9 to fill in the grid, with each digit used only once in each row or column. sudoku for elderly By following the tips and strategies outlined in this article, you will be well-equipped to tackle Sudoku puzzles of all difficulty levels.
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rules of sudoku game To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement. sudoku secrets The rules of Sudoku are simple but the depth of the game is immense. Every well-posed Sudoku puzzle has a unique solution that can be reached through logical deduction. ny times sudoku app To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement. smart sudoku To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement. sudoku secrets There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers.
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