Sudoku › Hard

Hard Sudoku — Puzzle 17

21
6843
51
198
1597
42
923
634
965

Solve it here

Tap an empty square, then tap a number. Or print the page and use a pencil.

0 of 55 squares filled

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9. This puzzle has 26 given numbers and exactly one solution.

327195468
561284793
894637521
643751982
215869374
978423156
489512637
756348219
132976845

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