hardest sudoku puzzles If true, place these numbers in the intersection of the two rows or columns, and eliminate them from the remaining cells in these rows or columns. Use Pencil Marks: As you solve the puzzle, make pencil marks to indicate potential numbers in each cell. sudoku 12x12
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Step 7: Backtrack if Necessary If you realize that you have made an error in your solution, backtrack to the point where you made the mistake. hardest sudoku puzzles Accessibility: With the internet, Web Sudoku Evil is easily accessible to players worldwide, allowing them to enjoy the game anytime, anywhere. hard printable sudoku
