Expert Sudoku for 2026-05-09
Expert Sudoku puzzle published on 2026-05-09, with 30 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Pair, Naked Pair, Naked Triple, X-Wing, Skyscraper, 2-String Kite, W-Wing. Every puzzle on this site is generated by Dancing Links and then verified by a tiered human-style solver, so it is guaranteed solvable with logic alone – no guessing or backtracking.