Keyword Analysis & Research: newsday sudoku

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Can you solve the hardest-ever Sudoku?

To solve the hardest puzzles and games, use advanced strategies such as X-Wing, XY-Wing, and Swordfish. There are two ways to approach the Sudoku Solving process. You can use logic retaining in...

How do you solve a Sudoku puzzle?

The obvious way to solve a sudoku puzzle is to find the right numbers to go in the squares. However the best way to start is the other way round - finding the right squares to hold the numbers. This uses a technique called 'crosshatching', which only takes a couple of minutes to learn.

How do you do Sudoku?

Starting with Easy Hints Look for a single empty in a larger square. Check for singular empty squares in the rows and columns. Scan rows or columns to fill in larger squares. Add the opposite direction. Work in groups of numbers.

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