xyz-wing: description and example

Advanced methods and approaches for solving Sudoku puzzles

Postby Jeff » Wed Sep 21, 2005 1:48 pm

MadOverlord wrote:But am I correct in assuming a straight XYZ-wing can be handled as a locked set in the row/column + a r/c-block exclusion? If so, then the "bent" case is the only one that the deducer needs to worry about.

It's the programmer's choice as long as it delivers the same outcome.:D
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