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Uploaded by collinspublishers on Oct 8, 2007
Part 2 of Wayne Gould's advice on using X-wings to crack Extreme Su Doku puzzles.
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Thanks for the tip about rows with more than 2 possible "two:s". :D
ParadoxGeek 4 years ago
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Thanks for the tip about rows with more than 2 possible "two:s". :D
ParadoxGeek 4 years ago