PlaySudoku.us
Expert · Puzzle #441
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9
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2
6
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"The cosmos is within us. We are made of star-stuff." — Carl Sagan
"The cosmos is within us. We are made of star-stuff." — Carl Sagan
The 'Skyscraper' technique links two X-Wing candidates via a shared column — advanced but powerful on expert grids.
The 'Skyscraper' technique links two X-Wing candidates via a shared column — advanced but powerful on expert grids.