Web Sudoku - Billions of Free Sudoku Puzzles to Play Online
https://west.websudoku.com/
WebTo complete the Sudoku puzzle, enter numbers into the spaces so that each row, column and 3×3 box contains the digits 1 to 9 without repeats. Some tips for solving Sudoku: Avoid trial and error – find a logical reason for entering each number. Look for rows, columns and 3×3 boxes with just a few blanks remaining.
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