Expert Sudoku for 2026-01-06

Expert Sudoku puzzle published on 2026-01-06, with 23 given clues. Solving it requires the following techniques: Naked Single, Hidden Single, Pointing Pair, XYZ-Wing, XY-Chain, Claiming, W-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.