Expert Sudoku for 2026-01-16

Expert Sudoku puzzle published on 2026-01-16, with 26 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Triple, Pointing Pair, Claiming, Naked Quad, X-Wing, Naked Triple, XY-Chain, Unique Rectangle. 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.