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X & Y wing techniques2 posts • Page 1 of 1 • 1
@ 2012-09-13 9:53 AM (#8546) (#8546) Top

optiontips



Posts: 1

optiontips posted @ 2012-09-13 9:53 AM

This may sound awkward, but I feel like I'm at an advanced level of Sudoku but I still can't grasp the X & Y wing techniques. Here is the following example I'm stuck on and don't want to just 'guess'. Can someone explain these techniques in simple terms?




(sudoku.png)



Attachments
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Attachments sudoku.png (57KB - 18 downloads)
@ 2012-09-13 10:03 AM (#8547 - in reply to #8546) (#8547) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2012-09-13 10:03 AM

There are two 7s in column 3. Fix that first.
X & Y wing techniques2 posts • Page 1 of 1 • 1
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