Expert Sudoku for 2026-01-12
Expert Sudoku puzzle published on 2026-01-12, with 30 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Triple, Claiming, Naked Pair, Skyscraper, Naked Triple, W-Wing, Unique Rectangle, Pointing Pair, XY-Chain, 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.