how would you go about trying to spot xy wings

Advanced methods and approaches for solving Sudoku puzzles

how would you go about trying to spot xy wings

Postby Kunegochu » Thu Aug 07, 2008 10:17 am

please help
Kunegochu
 
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Postby udosuk » Thu Aug 07, 2008 12:07 pm

By looking at the grid.:idea:

By the way, if you're writing a book to sell for money, you're most welcomed to include my piece of advice above, for free. Easier than spending a few minutes/hours researching info throughout the forum, eh?:D
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Postby Myth Jellies » Fri Aug 08, 2008 4:27 am

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