Strong Corner Marker for X-Wing AIC Deduction

Advanced methods and approaches for solving Sudoku puzzles

Postby Allan Barker » Wed Oct 22, 2008 5:54 pm

ronk wrote:Wouldn't the following be the most accurate representation of the six required linksets (weak links):?:

r6c8 -5- als:r78c8 -89- aals:r9c7 -7- als:r6c47 -59- r6c8 ==> r6c8<>5

Yes, the extra linkset (weak link) in 9c7 is neither needed nor useful. Sigh, simply counting the sets would have told me that.
Allan Barker
 
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Joined: 20 February 2008

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