Expert Sudoku for 2026-05-23

Expert Sudoku puzzle published on 2026-05-23, with 26 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, XYZ-Wing, Naked Quad, Finned X-Wing, XY-Chain, XY-Wing, Skyscraper. 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.