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Time 00:00 Mistakes 0 Ready

Hard Sudoku #95

Advanced patterns: X-Wings, triples and tighter candidate logic.

DifficultyHard
Clues given26 of 81
Technique score98.3
Rated techniques4

Techniques this puzzle needs

Where to start

The first move on this board is a Hidden Single: In this row 4, 6 can only go in one cell, so it must go there.

Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.