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how to solve sudoku fast Since you are not constantly connected to the internet, your device will consume less power, allowing you to play for longer periods. Rules of Japanese Sudoku: The objective of Japanese Sudoku is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contain all of the digits from 1 to 9. jigsaw sudoku wiki Conclusion: Sudoku is an engaging and beneficial puzzle game that can be enjoyed by people of all ages. free online games sudokusudoku brainbashers def isValidSudoku(board): def is_valid(board, row, col, num): for i in range(9): if board[row][i] == num or board[i][col] == num: return False if board[3 * (row // 3) + i // 3][3 * (col // 3) + i % 3] == num: return False return True for i in range(9): for j in range(9): if board[i][j] != '.': if not is_valid(board, i, j, board[i][j]): return False return True Step 2: Test the function with a sample Sudoku grid. Brain exercise: Similar to physical exercise for the body, solving Sudoku puzzles provides a mental workout that keeps your brain healthy and active. sudoku invented
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