Expert Sudoku for 2026-05-19

Expert Sudoku puzzle published on 2026-05-19, with 31 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Pair, Naked Pair, Naked Triple, Naked Quad, XY-Wing, Skyscraper, 2-String Kite, Claiming, W-Wing, Finned X-Wing, XY-Chain, X-Wing, XYZ-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.