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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.
The general problem of solving Sudoku puzzles on n 2 ×n 2 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.
Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers. Find answers to the latest online sudoku and crossword puzzles that were ...
Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers. Find answers to the latest online sudoku and crossword puzzles that were ...
Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers. Find answers to the latest online sudoku and crossword puzzles that were ...
SUDOKU. Play the USA TODAY Sudoku Game.. JUMBLE. Jumbles: VINYL GULCH RADISH OPAQUE. Answer: The pharaoh commissioned an artist to decorate his tomb. The result was — “HIRE-O-GLYPHICS”