Expert Sudoku for 2026-01-22

Expert Sudoku puzzle published on 2026-01-22, with 24 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Pair, Naked Pair, Naked Triple, Naked Quad, Skyscraper, W-Wing, Unique Rectangle, XY-Chain. 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.