Expert Sudoku for 2026-06-19

Expert Sudoku puzzle published on 2026-06-19, with 31 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Pair, Skyscraper, XYZ-Wing, Naked Pair, Naked Triple, X-Wing, W-Wing, XY-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.