How to Solve Hard Sudoku Puzzles 1 Use a pencil. 2 Note potential candidates in open squares. 3 Scan the board to process the puzzle. 4 Start with the obvious singles. 5 Revisit your candidates after you solve singles. 6 Identify naked or hidden pairs. 7 Move on to triples and quads.
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Use the first few techniques to insert as many numbers as you can. Then, when you can add no more numbers to the board using the basic techniques, try the more ...
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Duration: 15:33 Posted: 16 Mar 2019 VIDEO
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Duration: 12:07 Posted: 12 Dec 2019 VIDEO
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Duration: 17:59 Posted: 5 May 2020 VIDEO
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Duration: 13:53 Posted: 30 Jan 2018 VIDEO
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The easiest way starting a Sudoku puzzle is to scan rows and columns within each triple-box area, eliminating numbers or squares and finding situations where ...
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6 Jul 2021 · It seems simple, right? Wrong! It can be incredibly challenging to solve a Sudoku puzzle. That's what makes it fun. It is believed that the ...
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16 Apr 2020 · Sudoku hard Strategy and techniques for easy solution ... As a strategy we always try first—the row-column scan to find the valid cell at any ...
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Hard Sudoku is characterized by the fact that cells contain much fewer numbers than simple or medium ones. To solve hard level Sudoku puzzles, ...
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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 ...
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Learn about the deduction techniques you can use to solve Sudoku puzzles ... the hang of the techchnique you can use them to crack quite difficult puzzles.
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A Sudoku XY-Wing pattern occurs in many of the more difficult Sudoku puzzles. Your ability to identify and solve this pattern will often break the logjam ...
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The step-by-step shows one way to solve puzzle using only logical reasoning. ... you can be confident that your readers will enjoy solving your Sudokus with ...
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