Expert Sudoku for 2026-05-12

Expert Sudoku puzzle published on 2026-05-12, with 28 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Claiming, Naked Triple, 2-String Kite, XYZ-Wing, Finned X-Wing, W-Wing, Pointing Pair, Unique Rectangle, Continuous Nice Loop, X-Wing, Naked Pair, 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.